{"title":"Dampers","description":"\u003cp class=\"MsoNormal\"\u003e\u003cspan lang=\"EN-GB\"\u003eThe HVAC and ventilation sector operates with \u003ca href=\"https:\/\/www.inbuilduk.com\/collections\/damper\"\u003edampers\u003c\/a\u003e as fundamental elements which direct and control airflow amounts through ductwork systems. These systems function as essential elements for maintaining indoor air quality and energy efficiency and occupant comfort and they perform vital safety duties in fire and smoke control systems. The devices exist in multiple forms which include \u003ca href=\"https:\/\/www.inbuilduk.com\/collections\/fire-smoke-damper\"\u003efire dampers\u003c\/a\u003e and  \u003ca href=\"https:\/\/www.inbuilduk.com\/collections\/smoke-damper\"\u003esmoke dampers\u003c\/a\u003e and combination fire and smoke dampers and \u003ca href=\"https:\/\/www.inbuilduk.com\/collections\/volumn-control-damper\"\u003evolume control dampers\u003c\/a\u003e to provide reliable operation and code compliance for commercial and industrial and residential buildings. \u003c\/span\u003e\u003c\/p\u003e\n\u003c!----\u003e","products":[{"product_id":"elta-damper","title":"Elta Damper","description":"\u003cp\u003eDamper\u003c\/p\u003e\n\n\u003cp\u003e● Prevents reverse flow of air when fan is not operating\n\u003cbr\u003e● Galvanised sheet steel case\n\u003cbr\u003e● Spring operated aluminium sheet blades\u003c\/p\u003e","brand":"Elta","offers":[{"title":"100","offer_id":41707265261628,"sku":"018-100-DAMPER","price":27.73,"currency_code":"GBP","in_stock":true},{"title":"125","offer_id":41707265294396,"sku":"018-125-DAMPER","price":42.47,"currency_code":"GBP","in_stock":true},{"title":"150","offer_id":41707265327164,"sku":"018-150-DAMPER","price":42.47,"currency_code":"GBP","in_stock":true},{"title":"200","offer_id":41707265359932,"sku":"018-200-DAMPER","price":58.93,"currency_code":"GBP","in_stock":true},{"title":"250","offer_id":41707265392700,"sku":"018-250-DAMPER","price":61.53,"currency_code":"GBP","in_stock":true},{"title":"315","offer_id":41707265425468,"sku":"018-315-DAMPER","price":64.13,"currency_code":"GBP","in_stock":true},{"title":"355","offer_id":41707265458236,"sku":"018-355-DAMPER","price":78.87,"currency_code":"GBP","in_stock":true},{"title":"400","offer_id":41707265491004,"sku":"018-400-DAMPER","price":78.87,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/9710\/0860\/files\/damper_01.png?v=1717497504"},{"product_id":"hd-series-circular-spigotfit-galvanised-steel-blades-hand-operated-extended-spindle","title":"HD Series - Circular Spigotfit, Galvanised Steel Blades, Hand Operated\/ Extended Spindle","description":"\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe HD series damper range offers \u003c\/span\u003e\u003cspan\u003edamper\u003c\/span\u003e\u003cspan\u003e blade profiles that \u003c\/span\u003e\u003cspan\u003eprovide\u003c\/span\u003e\u003cspan\u003e air volume control through to low closed blade leakage characteristics designed for systems where high air pressures and velocities are involved.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eWith its robust construction, the HD series damper \u003c\/span\u003e\u003cspan\u003eblades\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003emake\u003c\/span\u003e\u003cspan\u003e it the ideal choice for use on air \u003c\/span\u003e\u003cspan\u003ehandling\u003c\/span\u003e\u003cspan\u003e units, and the aerodynamic blade profile encourages smooth airflow offering minimal pressure drop.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eSide covers are fitted to the flanged case not only ensuring that the dampers meet Class C case leakage of DW144, but additionally safeguarding against hands and foreign objects being placed into the path of the moving linkage.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eHand operated\u003c\/span\u003e\u003cspan\u003e damper control is via factory fitted 19mm diameter extended spindle control for actuation by others, manual quadrant, electric or pneumatic actuation. Dampers are supplied in flanged or spigot style casing compliant with DW144 as appropriate.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFlange dampers for air control are available with a single drive to a maximum 2380mm width for 50mm flanges and 2400mm width for 40mm flanges all with a maximum height of 2000mm and a standard 130mm deep case.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThese circular\u003c\/span\u003e\u003cspan\u003e dampers are for low closed blade leakage applications (HD-LL), the damper width and height are limited to 1000mm to ensure continuity of performance with a single drive.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMore sizes available, please get in touch for a quote. \u003c\/span\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"BSB","offers":[{"title":"100D \/ Hand Operated","offer_id":42019211214908,"sku":"HD-C-G-H100D","price":64.34,"currency_code":"GBP","in_stock":true},{"title":"150D \/ Hand Operated","offer_id":42019211247676,"sku":"HD-C-G-H150D","price":74.99,"currency_code":"GBP","in_stock":true},{"title":"200D \/ Hand Operated","offer_id":42019211280444,"sku":"HD-C-G-H200D","price":83.9,"currency_code":"GBP","in_stock":true},{"title":"250D \/ Hand Operated","offer_id":42019211313212,"sku":"HD-C-G-H250D","price":90.57,"currency_code":"GBP","in_stock":true},{"title":"300D \/ Hand Operated","offer_id":42019211345980,"sku":"HD-C-G-H300D","price":97.9,"currency_code":"GBP","in_stock":true},{"title":"355D \/ Hand Operated","offer_id":42019211378748,"sku":"HD-C-G-H355D","price":106.82,"currency_code":"GBP","in_stock":true},{"title":"400D \/ Hand Operated","offer_id":42019211411516,"sku":"HD-C-G-H400D","price":117.47,"currency_code":"GBP","in_stock":true},{"title":"450D \/ Hand Operated","offer_id":42019211444284,"sku":"HD-C-G-H450D","price":130.37,"currency_code":"GBP","in_stock":true},{"title":"500D \/ Hand Operated","offer_id":42019211477052,"sku":"HD-C-G-H500D","price":146.02,"currency_code":"GBP","in_stock":true},{"title":"550D \/ Hand Operated","offer_id":42019211509820,"sku":"HD-C-G-H550D","price":155.96,"currency_code":"GBP","in_stock":true},{"title":"600D \/ Hand Operated","offer_id":42019211542588,"sku":"HD-C-G-H600D","price":168.91,"currency_code":"GBP","in_stock":true},{"title":"650D \/ Hand Operated","offer_id":42019211575356,"sku":"HD-C-G-H650D","price":183.59,"currency_code":"GBP","in_stock":true},{"title":"700D \/ Hand Operated","offer_id":42019211608124,"sku":"HD-C-G-H700D","price":200.4,"currency_code":"GBP","in_stock":true},{"title":"750D \/ Hand Operated","offer_id":42019211640892,"sku":"HD-C-G-H750D","price":209.22,"currency_code":"GBP","in_stock":true},{"title":"800D \/ Hand Operated","offer_id":42019211673660,"sku":"HD-C-G-H800D","price":215.73,"currency_code":"GBP","in_stock":true},{"title":"850D \/ Hand Operated","offer_id":42019211706428,"sku":"HD-C-G-H850D","price":227.76,"currency_code":"GBP","in_stock":true},{"title":"900D \/ Hand Operated","offer_id":42019211739196,"sku":"HD-C-G-H900D","price":250.56,"currency_code":"GBP","in_stock":true},{"title":"950D \/ Hand Operated","offer_id":42019211771964,"sku":"HD-C-G-H950D","price":259.05,"currency_code":"GBP","in_stock":true},{"title":"1000D \/ Hand Operated","offer_id":42019211804732,"sku":"HD-C-G-H1000D","price":319.33,"currency_code":"GBP","in_stock":true},{"title":"1050D \/ Hand Operated","offer_id":42019211837500,"sku":"HD-C-G-H1050D","price":319.33,"currency_code":"GBP","in_stock":true},{"title":"1100D \/ Hand Operated","offer_id":42019211870268,"sku":"HD-C-G-H1100D","price":365.53,"currency_code":"GBP","in_stock":true},{"title":"1150D \/ Hand Operated","offer_id":42019211903036,"sku":"HD-C-G-H1150D","price":365.53,"currency_code":"GBP","in_stock":true},{"title":"1200D \/ Hand Operated","offer_id":42019211935804,"sku":"HD-C-G-H1200D","price":413.44,"currency_code":"GBP","in_stock":true},{"title":"1250D \/ Hand Operated","offer_id":42019211968572,"sku":"HD-C-G-H1250D","price":413.44,"currency_code":"GBP","in_stock":true},{"title":"1300D \/ Hand Operated","offer_id":42019212001340,"sku":"HD-C-G-H1300D","price":563.26,"currency_code":"GBP","in_stock":true},{"title":"1350D \/ Hand Operated","offer_id":42019212034108,"sku":"HD-C-G-H1350D","price":563.26,"currency_code":"GBP","in_stock":true},{"title":"1400D \/ Hand Operated","offer_id":42019212066876,"sku":"HD-C-G-H1400D","price":626.18,"currency_code":"GBP","in_stock":true},{"title":"100D \/ Extended Spindle","offer_id":42019212099644,"sku":"HD-C-G-E100D","price":61.95,"currency_code":"GBP","in_stock":true},{"title":"150D \/ Extended Spindle","offer_id":42019212132412,"sku":"HD-C-G-E150D","price":72.2,"currency_code":"GBP","in_stock":true},{"title":"200D \/ Extended Spindle","offer_id":42019212165180,"sku":"HD-C-G-E200D","price":80.78,"currency_code":"GBP","in_stock":true},{"title":"250D \/ Extended Spindle","offer_id":42019212197948,"sku":"HD-C-G-E250D","price":87.2,"currency_code":"GBP","in_stock":true},{"title":"300D \/ Extended Spindle","offer_id":42019212230716,"sku":"HD-C-G-E300D","price":94.25,"currency_code":"GBP","in_stock":true},{"title":"355D \/ Extended Spindle","offer_id":42019212263484,"sku":"HD-C-G-E355D","price":102.85,"currency_code":"GBP","in_stock":true},{"title":"400D \/ Extended Spindle","offer_id":42019212296252,"sku":"HD-C-G-E400D","price":113.1,"currency_code":"GBP","in_stock":true},{"title":"450D \/ Extended Spindle","offer_id":42019212329020,"sku":"HD-C-G-E450D","price":125.52,"currency_code":"GBP","in_stock":true},{"title":"500D \/ Extended Spindle","offer_id":42019212361788,"sku":"HD-C-G-E500D","price":140.58,"currency_code":"GBP","in_stock":true},{"title":"550D \/ Extended Spindle","offer_id":42019212394556,"sku":"HD-C-G-E550D","price":150.15,"currency_code":"GBP","in_stock":true},{"title":"600D \/ Extended Spindle","offer_id":42019212427324,"sku":"HD-C-G-E600D","price":162.62,"currency_code":"GBP","in_stock":true},{"title":"650D \/ Extended Spindle","offer_id":42019212460092,"sku":"HD-C-G-E650D","price":176.76,"currency_code":"GBP","in_stock":true},{"title":"700D \/ Extended Spindle","offer_id":42019212492860,"sku":"HD-C-G-E700D","price":192.95,"currency_code":"GBP","in_stock":true},{"title":"750D \/ Extended Spindle","offer_id":42019212525628,"sku":"HD-C-G-E750D","price":201.44,"currency_code":"GBP","in_stock":true},{"title":"800D \/ Extended Spindle","offer_id":42019212558396,"sku":"HD-C-G-E800D","price":207.71,"currency_code":"GBP","in_stock":true},{"title":"850D \/ Extended Spindle","offer_id":42019212591164,"sku":"HD-C-G-E850D","price":219.28,"currency_code":"GBP","in_stock":true},{"title":"900D \/ Extended Spindle","offer_id":42019212623932,"sku":"HD-C-G-E900D","price":241.24,"currency_code":"GBP","in_stock":true},{"title":"950D \/ Extended Spindle","offer_id":42019212656700,"sku":"HD-C-G-E950D","price":249.41,"currency_code":"GBP","in_stock":true},{"title":"1000D \/ Extended Spindle","offer_id":42019212689468,"sku":"HD-C-G-E1000D","price":307.45,"currency_code":"GBP","in_stock":true},{"title":"1050D \/ Extended Spindle","offer_id":42019212722236,"sku":"HD-C-G-E1050D","price":307.45,"currency_code":"GBP","in_stock":true},{"title":"1100D \/ Extended Spindle","offer_id":42019212755004,"sku":"HD-C-G-E1100D","price":351.92,"currency_code":"GBP","in_stock":true},{"title":"1150D \/ Extended Spindle","offer_id":42019212787772,"sku":"HD-C-G-E1150D","price":351.92,"currency_code":"GBP","in_stock":true},{"title":"1200D \/ Extended Spindle","offer_id":42019212820540,"sku":"HD-C-G-E1200D","price":398.06,"currency_code":"GBP","in_stock":true},{"title":"1250D \/ Extended Spindle","offer_id":42019212853308,"sku":"HD-C-G-E1250D","price":398.06,"currency_code":"GBP","in_stock":true},{"title":"1300D \/ Extended Spindle","offer_id":42019212886076,"sku":"HD-C-G-E1300D","price":542.31,"currency_code":"GBP","in_stock":true},{"title":"1350D \/ Extended Spindle","offer_id":42019212918844,"sku":"HD-C-G-E1350D","price":542.31,"currency_code":"GBP","in_stock":true},{"title":"1400D \/ Extended Spindle","offer_id":42019212951612,"sku":"HD-C-G-E1400D","price":602.88,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/9710\/0860\/files\/HDSeries.png?v=1721643574"},{"product_id":"bd-series-circular-spigot-alumium-blades","title":"BD Series - Circular Spigot, Alumium Blades","description":"\u003cp\u003eThe BD Series Backdraught Damper is self-opening subject to air velocity and is designed to restrict air back flow.\u003cbr\u003eThe damper can be fitted to partitions or brick walls, on plenums or duct mounted.\u003c\/p\u003e\n\u003cp\u003e• Extruded aluminium blades\u003cbr\u003e• DW144 compliant\u003cbr\u003e• Galvanised mild steel casing\u003cbr\u003e• Flange, Framefit or Spigot casing options\u003c\/p\u003e\n\u003cp\u003eBD Series Features and Benefits:\u003cbr\u003e• Standard case construction is galvanised mild steel\u003cbr\u003e• Extruded aluminium blades\u003cbr\u003e• Flange, Framefit or Spigot casing options\u003c\/p\u003e\n\u003cp\u003eMore sizes are available please get in touch for a quote. \u003c\/p\u003e\n\u003c!----\u003e","brand":"BSB","offers":[{"title":"100D","offer_id":42019213344828,"sku":"BD-C-A-100D","price":44.67,"currency_code":"GBP","in_stock":true},{"title":"150D","offer_id":42019213377596,"sku":"BD-C-A-150D","price":52.55,"currency_code":"GBP","in_stock":true},{"title":"200D","offer_id":42019213410364,"sku":"BD-C-A-200D","price":58.07,"currency_code":"GBP","in_stock":true},{"title":"250D","offer_id":42019213443132,"sku":"BD-C-A-250D","price":63.74,"currency_code":"GBP","in_stock":true},{"title":"300D","offer_id":42019213475900,"sku":"BD-C-A-300D","price":72.32,"currency_code":"GBP","in_stock":true},{"title":"355D","offer_id":42019213508668,"sku":"BD-C-A-355D","price":81.22,"currency_code":"GBP","in_stock":true},{"title":"400D","offer_id":42019213541436,"sku":"BD-C-A-400D","price":95.92,"currency_code":"GBP","in_stock":true},{"title":"450D","offer_id":42019213574204,"sku":"BD-C-A-450D","price":112.06,"currency_code":"GBP","in_stock":true},{"title":"500D","offer_id":42019213606972,"sku":"BD-C-A-500D","price":129.11,"currency_code":"GBP","in_stock":true},{"title":"550D","offer_id":42019213639740,"sku":"BD-C-A-550D","price":147.11,"currency_code":"GBP","in_stock":true},{"title":"600D","offer_id":42019213672508,"sku":"BD-C-A-600D","price":166.07,"currency_code":"GBP","in_stock":true},{"title":"650D","offer_id":42019213705276,"sku":"BD-C-A-650D","price":299.58,"currency_code":"GBP","in_stock":true},{"title":"700D","offer_id":42019213738044,"sku":"BD-C-A-700D","price":320.45,"currency_code":"GBP","in_stock":true},{"title":"750D","offer_id":42019213770812,"sku":"BD-C-A-750D","price":359.96,"currency_code":"GBP","in_stock":true},{"title":"800D","offer_id":42019213803580,"sku":"BD-C-A-800D","price":382.82,"currency_code":"GBP","in_stock":true},{"title":"850D","offer_id":42019213836348,"sku":"BD-C-A-850D","price":424.3,"currency_code":"GBP","in_stock":true},{"title":"900D","offer_id":42019213869116,"sku":"BD-C-A-900D","price":443.48,"currency_code":"GBP","in_stock":true},{"title":"950D","offer_id":42019213901884,"sku":"BD-C-A-950D","price":472.04,"currency_code":"GBP","in_stock":true},{"title":"1000D","offer_id":42019213934652,"sku":"BD-C-A-1000D","price":517.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/9710\/0860\/files\/ConvertOut-Resized-BDSeries_e82c5936-a972-4dad-96f4-89dea1d25f84.jpg?v=1721730224"},{"product_id":"fd-series-type-c-galvanised-steel-blades-out-of-airstream-angle-frame-af","title":"FD Series - Type C, Galvanised Steel Blades Out of Airstream, Angle Frame (AF)","description":"\u003cp\u003eThe FD Series Steel Curtain Fire Damper is designed to stop the spread of fire through ducts, walls, floors and ceilings.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe product range has many features and options to meet the requirements of specifiers, contractors, local and national authorities. Dampers are available to suit both low\/medium and high velocity applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMore sizes available. Please get in touch for a quote. \u003c\/span\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"BSB","offers":[{"title":"100D","offer_id":42019215573052,"sku":"FD-C-G-AF-100D","price":58.18,"currency_code":"GBP","in_stock":true},{"title":"125D","offer_id":42019215605820,"sku":"FD-C-G-AF-125D","price":59.01,"currency_code":"GBP","in_stock":true},{"title":"150D","offer_id":42019215638588,"sku":"FD-C-G-AF-150D","price":59.76,"currency_code":"GBP","in_stock":true},{"title":"160D","offer_id":42019215671356,"sku":"FD-C-G-AF-160D","price":60.37,"currency_code":"GBP","in_stock":true},{"title":"180D","offer_id":42019215704124,"sku":"FD-C-G-AF-180D","price":60.87,"currency_code":"GBP","in_stock":true},{"title":"200D","offer_id":42019215736892,"sku":"FD-C-G-AF-200D","price":61.19,"currency_code":"GBP","in_stock":true},{"title":"224D","offer_id":42019215769660,"sku":"FD-C-G-AF-224D","price":62.66,"currency_code":"GBP","in_stock":true},{"title":"250D","offer_id":42019215802428,"sku":"FD-C-G-AF-250D","price":64.89,"currency_code":"GBP","in_stock":true},{"title":"280D","offer_id":42019215835196,"sku":"FD-C-G-AF-280D","price":66.21,"currency_code":"GBP","in_stock":true},{"title":"300D","offer_id":42019215867964,"sku":"FD-C-G-AF-300D","price":68.89,"currency_code":"GBP","in_stock":true},{"title":"315D","offer_id":42019215900732,"sku":"FD-C-G-AF-315D","price":72.83,"currency_code":"GBP","in_stock":true},{"title":"355D","offer_id":42019215933500,"sku":"FD-C-G-AF-355D","price":76.98,"currency_code":"GBP","in_stock":true},{"title":"400D","offer_id":42019215966268,"sku":"FD-C-G-AF-400D","price":80.39,"currency_code":"GBP","in_stock":true},{"title":"450D","offer_id":42019215999036,"sku":"FD-C-G-AF-450D","price":90.25,"currency_code":"GBP","in_stock":true},{"title":"500D","offer_id":42019216031804,"sku":"FD-C-G-AF-500D","price":104.67,"currency_code":"GBP","in_stock":true},{"title":"550D","offer_id":42019216064572,"sku":"FD-C-G-AF-550D","price":115.23,"currency_code":"GBP","in_stock":true},{"title":"600D","offer_id":42019216097340,"sku":"FD-C-G-AF-600D","price":129.39,"currency_code":"GBP","in_stock":true},{"title":"630D","offer_id":42019216130108,"sku":"FD-C-G-AF-630D","price":133.98,"currency_code":"GBP","in_stock":true},{"title":"650D","offer_id":42019216162876,"sku":"FD-C-G-AF-650D","price":138.38,"currency_code":"GBP","in_stock":true},{"title":"700D","offer_id":42019216195644,"sku":"FD-C-G-AF-700D","price":152.23,"currency_code":"GBP","in_stock":true},{"title":"750D","offer_id":42019216228412,"sku":"FD-C-G-AF-750D","price":168.54,"currency_code":"GBP","in_stock":true},{"title":"800D","offer_id":42019216261180,"sku":"FD-C-G-AF-800D","price":180.73,"currency_code":"GBP","in_stock":true},{"title":"850D","offer_id":42019216293948,"sku":"FD-C-G-AF-850D","price":209.14,"currency_code":"GBP","in_stock":true},{"title":"900D","offer_id":42019216326716,"sku":"FD-C-G-AF-900D","price":226.71,"currency_code":"GBP","in_stock":true},{"title":"950D","offer_id":42019216359484,"sku":"FD-C-G-AF-950D","price":235.94,"currency_code":"GBP","in_stock":true},{"title":"1000D","offer_id":42019216392252,"sku":"FD-C-G-AF-1000D","price":247.28,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/9710\/0860\/files\/FD_SERIES_IMAGE_-0473-4e2e-9a27-c17c4a345310.png?v=1759827948"},{"product_id":"fd-c-series-galvanised-steel-blades-installation-plate-ip","title":"FD-C Series - Galvanised Steel Blades, Installation Plate (IP)","description":"\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe FD-C series Circular Single Blade Externally Resettable Combination Fire and Volume Control Damper is designed to prevent the spread of fire and smoke through circular ducts that pass through fire-rated walls, floors, ceilings, and cavity barriers.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eES classified fire damper with reduced smoke leakage characteristics (BS EN 1366-2). Size range available: 100mm to 315mm dia.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe FD-C Series \u003c\/span\u003e\u003cspan\u003esingle blade damper\u003c\/span\u003e\u003cspan\u003e can be installed from one side of the fire separation barrier without the need for fire-rated infill material.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFeatures of the BSB Circular Damper:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eConforms to fire damper product standard EN15650\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eES classified fire dampers with reduced smoke leakage characteristics EN 13501-3\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eAerodynamically Air Control tested to BS EN 1751\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eTested installation methods in differing supporting constructions (BS EN 1366-2)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eIntegrated volume control capability\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eReplaceable fusible link from outside of the ductwork\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eCommissioning friendly\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eExternal blade position indicator\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eDamper casing sizes and tolerances conform to BS EN 1506\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e","brand":"BSB","offers":[{"title":"100D","offer_id":42019216556092,"sku":"FD-C-G100D","price":59.23,"currency_code":"GBP","in_stock":true},{"title":"125D","offer_id":42019216588860,"sku":"FD-C-G125D","price":62.19,"currency_code":"GBP","in_stock":true},{"title":"150D","offer_id":42019216621628,"sku":"FD-C-G150D","price":65.15,"currency_code":"GBP","in_stock":true},{"title":"160D","offer_id":42019216654396,"sku":"FD-C-G160D","price":68.71,"currency_code":"GBP","in_stock":true},{"title":"200D","offer_id":42019216687164,"sku":"FD-C-G200D","price":75.81,"currency_code":"GBP","in_stock":true},{"title":"250D","offer_id":42019216719932,"sku":"FD-C-G250D","price":84.1,"currency_code":"GBP","in_stock":true},{"title":"300D","offer_id":42019216752700,"sku":"FD-C-G300D","price":94.76,"currency_code":"GBP","in_stock":true},{"title":"315D","offer_id":42019216785468,"sku":"FD-C-G315D","price":100.69,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/9710\/0860\/files\/FD-C.png?v=1721643307"},{"product_id":"vc-series-circular-spigotfit-galvanised-steel-blades-hand-operated-extended-spindle","title":"VC Series - Circular Spigotfit, Galvanised Steel Blades, Hand Operated\/ Extended Spindle","description":"\u003cp\u003eThe VC Series Volume Control Damper was designed for duct installations to balance\/regulate airflows.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned primarily to balance airflows in low to medium velocity H\u0026amp;V systems, the VC Series Volume Control Damper can also be used to perform actuated control functions where low closed blade leakage is not a requirement. Flanged models have mechanically fixed 65mm deep casings, providing a robust, lightweight construction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMore sizes available. Please get in touch for a quote. \u003c\/span\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"BSB","offers":[{"title":"100D \/ Hand Operated","offer_id":42019237134396,"sku":"VC-C-G-H-100D","price":36.86,"currency_code":"GBP","in_stock":true},{"title":"125D \/ Hand Operated","offer_id":42019237167164,"sku":"VC-C-G-H-125D","price":40.03,"currency_code":"GBP","in_stock":true},{"title":"150D \/ Hand Operated","offer_id":42019237199932,"sku":"VC-C-G-H-150D","price":43.19,"currency_code":"GBP","in_stock":true},{"title":"160D \/ Hand Operated","offer_id":42019237232700,"sku":"VC-C-G-H-160D","price":44.48,"currency_code":"GBP","in_stock":true},{"title":"180D \/ Hand Operated","offer_id":42019237265468,"sku":"VC-C-G-H-180D","price":45.8,"currency_code":"GBP","in_stock":true},{"title":"200D \/ Hand Operated","offer_id":42019237298236,"sku":"VC-C-G-H-200D","price":47.57,"currency_code":"GBP","in_stock":true},{"title":"225D \/ Hand Operated","offer_id":42019237331004,"sku":"VC-C-G-H-225D","price":49.91,"currency_code":"GBP","in_stock":true},{"title":"250D \/ Hand Operated","offer_id":42019237363772,"sku":"VC-C-G-H-250D","price":52.25,"currency_code":"GBP","in_stock":true},{"title":"300D \/ Hand Operated","offer_id":42019237396540,"sku":"VC-C-G-H-300D","price":59.31,"currency_code":"GBP","in_stock":true},{"title":"315D \/ Hand Operated","offer_id":42019237429308,"sku":"VC-C-G-H-315D","price":61.77,"currency_code":"GBP","in_stock":true},{"title":"350D \/ Hand Operated","offer_id":42019237462076,"sku":"VC-C-G-H-350D","price":66.7,"currency_code":"GBP","in_stock":true},{"title":"355D \/ Hand Operated","offer_id":42019237494844,"sku":"VC-C-G-H-355D","price":66.7,"currency_code":"GBP","in_stock":true},{"title":"400D \/ Hand Operated","offer_id":42019237527612,"sku":"VC-C-G-H-400D","price":71.98,"currency_code":"GBP","in_stock":true},{"title":"450D \/ Hand Operated","offer_id":42019237560380,"sku":"VC-C-G-H-450D","price":78.65,"currency_code":"GBP","in_stock":true},{"title":"500D \/ Hand Operated","offer_id":42019237593148,"sku":"VC-C-G-H-500D","price":86.52,"currency_code":"GBP","in_stock":true},{"title":"560D \/ Hand Operated","offer_id":42019237625916,"sku":"VC-C-G-H-560D","price":97.64,"currency_code":"GBP","in_stock":true},{"title":"600D \/ Hand Operated","offer_id":42019237658684,"sku":"VC-C-G-H-600D","price":111.35,"currency_code":"GBP","in_stock":true},{"title":"630D \/ Hand Operated","offer_id":42019237691452,"sku":"VC-C-G-H-630D","price":115.73,"currency_code":"GBP","in_stock":true},{"title":"650D \/ Hand Operated","offer_id":42019237724220,"sku":"VC-C-G-H-650D","price":120.08,"currency_code":"GBP","in_stock":true},{"title":"700D \/ Hand Operated","offer_id":42019237756988,"sku":"VC-C-G-H-700D","price":130.46,"currency_code":"GBP","in_stock":true},{"title":"710D \/ Hand Operated","offer_id":42019237789756,"sku":"VC-C-G-H-710D","price":130.46,"currency_code":"GBP","in_stock":true},{"title":"750D \/ Hand Operated","offer_id":42019237822524,"sku":"VC-C-G-H-750D","price":139.51,"currency_code":"GBP","in_stock":true},{"title":"762D \/ Hand Operated","offer_id":42019237855292,"sku":"VC-C-G-H-762D","price":139.51,"currency_code":"GBP","in_stock":true},{"title":"800D \/ Hand Operated","offer_id":42019237888060,"sku":"VC-C-G-H-800D","price":150.9,"currency_code":"GBP","in_stock":true},{"title":"850D \/ Hand Operated","offer_id":42019237920828,"sku":"VC-C-G-H-850D","price":168.2,"currency_code":"GBP","in_stock":true},{"title":"900D \/ Hand Operated","offer_id":42019237953596,"sku":"VC-C-G-H-900D","price":179.07,"currency_code":"GBP","in_stock":true},{"title":"950D \/ Hand Operated","offer_id":42019237986364,"sku":"VC-C-G-H-950D","price":194.64,"currency_code":"GBP","in_stock":true},{"title":"1000D \/ Hand Operated","offer_id":42019238019132,"sku":"VC-C-G-H-1000D","price":213.34,"currency_code":"GBP","in_stock":true},{"title":"100D \/ Extended Spindle","offer_id":42019238051900,"sku":"VC-C-G-E-100D","price":35.49,"currency_code":"GBP","in_stock":true},{"title":"125D \/ Extended Spindle","offer_id":42019238084668,"sku":"VC-C-G-E-125D","price":38.54,"currency_code":"GBP","in_stock":true},{"title":"150D \/ Extended Spindle","offer_id":42019238117436,"sku":"VC-C-G-E-150D","price":41.58,"currency_code":"GBP","in_stock":true},{"title":"160D \/ Extended Spindle","offer_id":42019238150204,"sku":"VC-C-G-E-160D","price":42.83,"currency_code":"GBP","in_stock":true},{"title":"180D \/ Extended Spindle","offer_id":42019238182972,"sku":"VC-C-G-E-180D","price":44.09,"currency_code":"GBP","in_stock":true},{"title":"200D \/ Extended Spindle","offer_id":42019238215740,"sku":"VC-C-G-E-200D","price":45.8,"currency_code":"GBP","in_stock":true},{"title":"225D \/ Extended Spindle","offer_id":42019238248508,"sku":"VC-C-G-E-225D","price":48.06,"currency_code":"GBP","in_stock":true},{"title":"250D \/ Extended Spindle","offer_id":42019238281276,"sku":"VC-C-G-E-250D","price":50.31,"currency_code":"GBP","in_stock":true},{"title":"300D \/ Extended Spindle","offer_id":42019238314044,"sku":"VC-C-G-E-300D","price":57.1,"currency_code":"GBP","in_stock":true},{"title":"315D \/ Extended Spindle","offer_id":42019238346812,"sku":"VC-C-G-E-315D","price":59.47,"currency_code":"GBP","in_stock":true},{"title":"350D \/ Extended Spindle","offer_id":42019238379580,"sku":"VC-C-G-E-350D","price":64.22,"currency_code":"GBP","in_stock":true},{"title":"355D \/ Extended Spindle","offer_id":42019238412348,"sku":"VC-C-G-E-355D","price":64.22,"currency_code":"GBP","in_stock":true},{"title":"400D \/ Extended Spindle","offer_id":42019238445116,"sku":"VC-C-G-E-400D","price":69.3,"currency_code":"GBP","in_stock":true},{"title":"450D \/ Extended Spindle","offer_id":42019238477884,"sku":"VC-C-G-E-450D","price":75.73,"currency_code":"GBP","in_stock":true},{"title":"500D \/ Extended Spindle","offer_id":42019238510652,"sku":"VC-C-G-E-500D","price":83.3,"currency_code":"GBP","in_stock":true},{"title":"560D \/ Extended Spindle","offer_id":42019238543420,"sku":"VC-C-G-E-560D","price":94.01,"currency_code":"GBP","in_stock":true},{"title":"600D \/ Extended Spindle","offer_id":42019238576188,"sku":"VC-C-G-E-600D","price":107.21,"currency_code":"GBP","in_stock":true},{"title":"630D \/ Extended Spindle","offer_id":42019238608956,"sku":"VC-C-G-E-630D","price":111.43,"currency_code":"GBP","in_stock":true},{"title":"650D \/ Extended Spindle","offer_id":42019238641724,"sku":"VC-C-G-E-650D","price":115.61,"currency_code":"GBP","in_stock":true},{"title":"700D \/ Extended Spindle","offer_id":42019238674492,"sku":"VC-C-G-E-700D","price":125.6,"currency_code":"GBP","in_stock":true},{"title":"710D \/ Extended Spindle","offer_id":42019238707260,"sku":"VC-C-G-E-710D","price":125.6,"currency_code":"GBP","in_stock":true},{"title":"750D \/ Extended Spindle","offer_id":42019238740028,"sku":"VC-C-G-E-750D","price":134.32,"currency_code":"GBP","in_stock":true},{"title":"762D \/ Extended Spindle","offer_id":42019238772796,"sku":"VC-C-G-E-762D","price":134.32,"currency_code":"GBP","in_stock":true},{"title":"800D \/ Extended Spindle","offer_id":42019238805564,"sku":"VC-C-G-E-800D","price":145.29,"currency_code":"GBP","in_stock":true},{"title":"850D \/ Extended Spindle","offer_id":42019238838332,"sku":"VC-C-G-E-850D","price":161.94,"currency_code":"GBP","in_stock":true},{"title":"900D \/ Extended Spindle","offer_id":42019238871100,"sku":"VC-C-G-E-900D","price":172.4,"currency_code":"GBP","in_stock":true},{"title":"950D \/ Extended Spindle","offer_id":42019238903868,"sku":"VC-C-G-E-950D","price":187.4,"currency_code":"GBP","in_stock":true},{"title":"1000D \/ Extended Spindle","offer_id":42019238936636,"sku":"VC-C-G-E-1000D","price":205.4,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/9710\/0860\/files\/OIP.jpg?v=1746709845"},{"product_id":"rvc-series-galvanised-steel-blades-hand-operated","title":"RVC Series - Galvanised Steel Blades, Hand Operated","description":"\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe RVC Series \u003c\/span\u003e\u003cspan\u003erange\u003c\/span\u003e\u003cspan\u003e of Volume Control Dampers are designed for residential ducted ventilation systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe rectangular single blade damper is made from galvanised steel and designed as a male fit to the 3 common sizes of plastic ductwork. \u003c\/span\u003e\u003cspan\u003eThis rectangular damper is\u003c\/span\u003e\u003cspan\u003e adjustable by a unique cam locking handle, with blade position indication.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe RVC damper range is available in three standard sizes:-\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e220mm x 90 mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e204mm x 60mm\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\"\u003e\u003cspan\u003e110mm x 54mm\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e","brand":"BSB","offers":[{"title":"220x90","offer_id":42019244802108,"sku":"RVC220x90-206213","price":36.34,"currency_code":"GBP","in_stock":true},{"title":"204x60","offer_id":42019244834876,"sku":"RVC204x60-206212","price":34.87,"currency_code":"GBP","in_stock":true},{"title":"110x54","offer_id":42019244867644,"sku":"RVC110x54-206211","price":30.46,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/9710\/0860\/files\/RVC.png?v=1721643823"},{"product_id":"vc-series-flangefit-galvanised-steel-blades-hand-operated-extended-spindle","title":"VC Series - Flangefit, Galvanised Steel Blades, Hand Operated\/Extended Spindle","description":"\u003cp\u003eThe VC Series Volume Control Damper was designed for duct installations to balance\/regulate airflows.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned primarily to balance airflows in low to medium velocity H\u0026amp;V systems, the VC Series Volume Control Damper can also be used to perform actuated control functions where low closed blade leakage is not a requirement. Flanged models have mechanically fixed 65mm deep casings, providing a robust, lightweight construction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMore sizes available. Please get in touch for a quote\u003c\/span\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"BSB","offers":[{"title":"100x100 \/ Hand Operated","offer_id":42029898203196,"sku":"VC-F-G-H100x100","price":26.93,"currency_code":"GBP","in_stock":true},{"title":"100x1000 \/ Hand Operated","offer_id":42029898235964,"sku":"VC-F-G-H100x1000","price":100.06,"currency_code":"GBP","in_stock":true},{"title":"100x150 \/ Hand Operated","offer_id":42029898268732,"sku":"VC-F-G-H100x150","price":30.84,"currency_code":"GBP","in_stock":true},{"title":"100x200 \/ Hand Operated","offer_id":42029898301500,"sku":"VC-F-G-H100x200","price":33.92,"currency_code":"GBP","in_stock":true},{"title":"100x250 \/ Hand Operated","offer_id":42029898334268,"sku":"VC-F-G-H100x250","price":36.76,"currency_code":"GBP","in_stock":true},{"title":"100x300 \/ Hand Operated","offer_id":42029898367036,"sku":"VC-F-G-H100x300","price":39.85,"currency_code":"GBP","in_stock":true},{"title":"100x350 \/ Hand 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Extended Spindle","offer_id":42029981761596,"sku":"HD-F-G-E349x949","price":137.63,"currency_code":"GBP","in_stock":true},{"title":"349x1049 \/ Extended Spindle","offer_id":42029981794364,"sku":"HD-F-G-E349x1049","price":147.44,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/9710\/0860\/files\/HDSeries_740b9044-65e6-484e-84a5-34b00d061372.png?v=1721643656"},{"product_id":"lobby-damper-24v-motor-open-closed","title":"Mechanical Smoke Shaft Damper LD 24v","description":"\u003cp dir=\"ltr\"\u003e\u003cstrong\u003e\u003cem\u003e*Damper Grille Sold S\u003c\/em\u003e\u003ci\u003eeparately*\u003c\/i\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe LD and LDN series \u003c\/span\u003e\u003cspan\u003esmoke shaft\u003c\/span\u003e\u003cspan\u003e dampers have been designed for smoke evacuation and control within lobbies and are installed into extract shafts in multi-level buildings, to maintain tenable conditions in the common escape routes in the event of a fire.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eMotorised\u003c\/span\u003e\u003cspan\u003e dampers are designed to work in fan power extract systems. Air is pulled through the damper and into the extract shaft. \u003c\/span\u003e\u003cspan\u003eNatural\u003c\/span\u003e\u003cspan\u003e dampers work in natural draft (stack effect) ventilation which requires a minimum free area of one metre square to comply with current standards and Approved Document B specification. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eThese smoke shaft dampers are for drywall or masonry\/ concrete construction. \u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eThe Lobby Damper series comprises of 2 models\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\n\u003cspan\u003eLD—Mechanical \u003c\/span\u003e\u003cspan\u003edampers\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\n\u003cspan\u003eLDN—Natural \u003c\/span\u003e\u003cspan\u003edampers\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFeatures \u003c\/span\u003e\u003cspan\u003eof the LD mechanical smoke shaft lobby damper\u003c\/span\u003e\u003cspan\u003e: \u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\n\u003cspan\u003eLD Series - Mechanical \u003c\/span\u003e\u003cspan\u003eSmoke\u003c\/span\u003e\u003cspan\u003e Ventilation\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eSuitable for environmental and smoke control extract systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eFire resistance tested to EN 1366-10\u003c\/span\u003e\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eClassified according to EN 13501-4\u003c\/span\u003e\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eCE marked to EN 12101-8\u003c\/span\u003e\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eCase leakage - Class C EN 1751 \u003c\/span\u003e\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eBlade leakage - Class 2 EN 1751\u003c\/span\u003e\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eSingle and multicompartment use tested to EN 12101-8\u003c\/span\u003e\u003c\/li\u003e\n\u003cli role=\"presentation\" dir=\"ltr\"\u003e\u003cspan\u003eEasy Fix'®' fascia grille\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe lobby-sleeved damper consists of two parts. The damper within a sleeve and a grille room side for ductless applications. The main sleeved damper with \u003c\/span\u003e\u003cspan\u003ea\u003c\/span\u003e\u003cspan\u003e peripheral flange allows it to be fitted flush into the builder’s prepared aperture. The fitted internal actuator is used to drive the damper blades from the normal closed position to the fully open position on receipt of a signal from a fire\/smoke control and detection system. Closed blade surfaces are painted matt black to allow \u003c\/span\u003e\u003cspan\u003ethe damper\u003c\/span\u003e\u003cspan\u003e to be inconspicuous behind the EASY FIX® grille.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eLD \u003c\/span\u003e\u003cspan\u003emotorised lobby dampers\u003c\/span\u003e\u003cspan\u003e have vertical damper blades whilst the LDN has horizontal damper blades. The horizontal blade grille has been designed to maximise the airflow with minimal pressure loss. The grille is affixed to the damper with concealed colour-matched fixings. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe dampers are typically closed in normal operation. Where a fire or smoke is detected, the damper on the level of the fire would receive an instruction from the control system to open to vent the smoke and gases into the smoke shaft.\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eThe Dampers on all other levels remain closed, thus preventing the spread of fire from the riser on those levels.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Smoke Control series LD and LDN \u003c\/span\u003e\u003cspan\u003edampers\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eare\u003c\/span\u003e\u003cspan\u003e certified to ISO 9001 and pass the tested requirements stated in EN 1366-10. CE marked LD \u0026amp; LDN dampers certificated to EN12101-8. The test requirements allow for installation within a dry line wall and masonry walls. Designed for smoke evacuation and control within lobbies and are installed within extract shaft walls in multi-level buildings, to maintain tenable conditions in escape routes. The damper and grille \u003c\/span\u003e\u003cspan\u003eare\u003c\/span\u003e\u003cspan\u003e a fully tested product tested to EN 1366-10, certified to EN 12101-8, and classified to EN 13501-4 achieving: E (120 Vew i’o) S 1000 C10,000 AA Multi. Dampers \u003c\/span\u003e\u003cspan\u003eare\u003c\/span\u003e\u003cspan\u003e typically closed in normal operation and move to the open position via a drive open\/drive closed (non-spring activated) actuator to vent smoke and gases into the smoke shaft.\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eThe smoke control damper has a tested installation method that matches the requirement of the supporting construction into which it is built.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb id=\"docs-internal-guid-7f5a7d32-7fff-9bd8-1cc1-abe5ca91b27e\"\u003e\u003cspan\u003eMore sizes available please \u003c\/span\u003e\u003ca href=\"https:\/\/www.inbuilduk.com\/pages\/contact\"\u003e\u003cspan\u003eget in touch\u003c\/span\u003e\u003c\/a\u003e\u003cspan\u003e for a quote 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Smoke Shaft Damper","description":"\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003cstrong\u003e\u003cem\u003e*Damper Grille Sold S\u003c\/em\u003e\u003ci\u003eeparately*\u003c\/i\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe LD and LDN series \u003c\/span\u003e\u003cspan\u003esmoke shaft\u003c\/span\u003e\u003cspan\u003e dampers have been designed for smoke evacuation and control within lobbies and are installed into extract shafts in multi-level buildings, to maintain tenable conditions in the common escape routes in the event of a fire.\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLD \u003c\/span\u003e\u003cspan\u003emechanical\u003c\/span\u003e\u003cspan\u003e dampers are designed to work in fan power extract systems. Air is pulled through the damper and into the extract shaft. LDN \u003c\/span\u003e\u003cspan\u003enatural\u003c\/span\u003e\u003cspan\u003e dampers work in natural draft (stack effect) ventilation which requires a minimum free area of one metre square to comply with current standards and Approved Document B specification. \u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eThese \u003c\/span\u003e\u003cspan\u003einternal smoke shaft\u003c\/span\u003e\u003cspan\u003e dampers are for dry wall or masonry\/ concrete construction.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Lobby Damper series comprises of 2 models:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eLD—Mechanical \u003c\/span\u003e\u003cspan\u003esmoke shaft dampers\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eLDN—Natural \u003c\/span\u003e\u003cspan\u003esmoke shaft dampers\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFeatures of the natural smoke shaft damper: \u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eLDN Series - Natural Vent and Mechanical Ventilation\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eSuitable for environmental and smoke control extract systems\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eFire resistance tested to EN 1366-10\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eClassified according to EN 13501-4\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eCE marked to EN 12101-8\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eCase leakage - Class C EN 1751 \u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eBlade leakage - Class 2 EN 1751\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eSingle and multicompartment use tested to EN 12101-8\u003c\/span\u003e\u003c\/li\u003e\n\u003cli dir=\"ltr\" role=\"presentation\"\u003e\u003cspan\u003eEasy Fix'®' fascia grille\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe lobby sleeved damper consists of two parts. The damper within a sleeve and a grille room side for ductless applications. The main sleeved damper with peripheral flange allows it to be fitted flush into the builder’s prepared aperture. The fitted internal actuator is used to drive the damper blades from the normal closed position to the fully open position on receipt of a signal from a fire\/smoke control and detection system. Closed blade surfaces are painted matt black to allow this product to be inconspicuous behind the EASY FIX® grille.\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eLD \u003c\/span\u003e\u003cspan\u003emechanical smoke ventilation units\u003c\/span\u003e\u003cspan\u003e have vertical damper blades whilst the LDN \u003c\/span\u003e\u003cspan\u003enatural dampers\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003ehave\u003c\/span\u003e\u003cspan\u003e horizontal damper blades. The horizontal blade grille has been designed to maximise the airflow with minimal pressure loss. The grille is affixed to the damper with concealed colour matched fixings. The dampers are typically closed in normal operation. Where a fire or smoke is detected, the damper on the level of the fire would receive an instruction from the control system to open to vent the smoke and gases into the smoke shaft. The Dampers on all other levels remain closed, thus preventing the spread of fire from the riser on those levels.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eThe Smoke Control series LD and LDN damper shall be certified to ISO 9001 and pass the tested requirements stated in EN 1366-10. CE marked LD \u0026amp; LDN dampers certificated to EN12101-8. The test requirements shall allow for installation within a dry line wall and masonry walls.\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eDesigned for smoke evacuation and control within lobbies and are installed within extract shaft walls in multi-level buildings, to maintain tenable conditions in escape routes. The damper and grille shall be a fully tested product tested to EN 1366-10, certified to EN 12101-8, and classified to EN 13501-4 achieving:\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eE (120 Vew i’o) S 1000 C10,000 AA Multi. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eDampers shall be typically closed in normal operation and move to the open position via a drive open\/drive closed (non spring activated) actuator to vent smoke and gases into the smoke shaft. The smoke control damper shall have a tested installation method that matches the requirement of the supporting construction into which it is built.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMore sizes available please \u003ca href=\"https:\/\/www.inbuilduk.com\/pages\/contact\"\u003eget in touch\u003c\/a\u003e for a quote \u003c\/span\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"BSB","offers":[{"title":"950x1400","offer_id":42039616962620,"sku":"LDNDAMP950X1400","price":1125.26,"currency_code":"GBP","in_stock":true},{"title":"950x1450","offer_id":42039616995388,"sku":"LDNDAMP950X1450","price":1135.37,"currency_code":"GBP","in_stock":true},{"title":"950x1500","offer_id":42039617028156,"sku":"LDNDAMP950X1500","price":1152.88,"currency_code":"GBP","in_stock":true},{"title":"950x1550","offer_id":42039617060924,"sku":"LDNDAMP950X1550","price":1166.16,"currency_code":"GBP","in_stock":true},{"title":"950x1600","offer_id":42039617093692,"sku":"LDNDAMP950X1600","price":1206.24,"currency_code":"GBP","in_stock":true},{"title":"950x1650","offer_id":42039617126460,"sku":"LDNDAMP950X1650","price":1216.35,"currency_code":"GBP","in_stock":true},{"title":"950x1700","offer_id":42039617159228,"sku":"LDNDAMP950X1700","price":1234.29,"currency_code":"GBP","in_stock":true},{"title":"950x1750","offer_id":42039617191996,"sku":"LDNDAMP950X1750","price":1244.4,"currency_code":"GBP","in_stock":true},{"title":"950x1800","offer_id":42039617224764,"sku":"LDNDAMP950X1800","price":1262.35,"currency_code":"GBP","in_stock":true},{"title":"950x1850","offer_id":42039617257532,"sku":"LDNDAMP950X1850","price":1272.44,"currency_code":"GBP","in_stock":true},{"title":"950x1900","offer_id":42039617290300,"sku":"LDNDAMP950X1900","price":1290.41,"currency_code":"GBP","in_stock":true},{"title":"950x1950","offer_id":42039617323068,"sku":"LDNDAMP950X1950","price":1300.5,"currency_code":"GBP","in_stock":true},{"title":"950x2000","offer_id":42039617355836,"sku":"LDNDAMP950X2000","price":1318.47,"currency_code":"GBP","in_stock":true},{"title":"950x2050","offer_id":42039617388604,"sku":"LDNDAMP950X2050","price":1328.56,"currency_code":"GBP","in_stock":true},{"title":"950x2100","offer_id":42039617421372,"sku":"LDNDAMP950X2100","price":1346.51,"currency_code":"GBP","in_stock":true},{"title":"950x2150","offer_id":42039617454140,"sku":"LDNDAMP950X2150","price":1356.62,"currency_code":"GBP","in_stock":true},{"title":"950x2200","offer_id":42039617486908,"sku":"LDNDAMP950X2200","price":1374.57,"currency_code":"GBP","in_stock":true},{"title":"950x2250","offer_id":42039617519676,"sku":"LDNDAMP950X2250","price":1384.68,"currency_code":"GBP","in_stock":true},{"title":"950x2300","offer_id":42039617552444,"sku":"LDNDAMP950X2300","price":1402.62,"currency_code":"GBP","in_stock":true},{"title":"1000x1000","offer_id":42039617585212,"sku":"LDNDAMP1000X1000","price":1012.08,"currency_code":"GBP","in_stock":true},{"title":"1000x1050","offer_id":42039617617980,"sku":"LDNDAMP1000X1050","price":1034.89,"currency_code":"GBP","in_stock":true},{"title":"1000x1100","offer_id":42039617650748,"sku":"LDNDAMP1000X1100","price":1052.75,"currency_code":"GBP","in_stock":true},{"title":"1000x1150","offer_id":42039617683516,"sku":"LDNDAMP1000X1150","price":1063.28,"currency_code":"GBP","in_stock":true},{"title":"1000x1200","offer_id":42039617716284,"sku":"LDNDAMP1000X1200","price":1081.14,"currency_code":"GBP","in_stock":true},{"title":"1000x1250","offer_id":42039617749052,"sku":"LDNDAMP1000X1250","price":1091.66,"currency_code":"GBP","in_stock":true},{"title":"1000x1300","offer_id":42039617781820,"sku":"LDNDAMP1000X1300","price":1109.5,"currency_code":"GBP","in_stock":true},{"title":"1000x1350","offer_id":42039617814588,"sku":"LDNDAMP1000X1350","price":1120.05,"currency_code":"GBP","in_stock":true},{"title":"1000x1400","offer_id":42039617847356,"sku":"LDNDAMP1000X1400","price":1137.78,"currency_code":"GBP","in_stock":true},{"title":"1000x1450","offer_id":42039617880124,"sku":"LDNDAMP1000X1450","price":1148.31,"currency_code":"GBP","in_stock":true},{"title":"1000x1500","offer_id":42039617912892,"sku":"LDNDAMP1000X1500","price":1188.18,"currency_code":"GBP","in_stock":true},{"title":"1000x1550","offer_id":42039617945660,"sku":"LDNDAMP1000X1550","price":1201.88,"currency_code":"GBP","in_stock":true},{"title":"1000x1600","offer_id":42039617978428,"sku":"LDNDAMP1000X1600","price":1220.05,"currency_code":"GBP","in_stock":true},{"title":"1000x1650","offer_id":42039618011196,"sku":"LDNDAMP1000X1650","price":1230.57,"currency_code":"GBP","in_stock":true},{"title":"1000x1700","offer_id":42039618043964,"sku":"LDNDAMP1000X1700","price":1248.74,"currency_code":"GBP","in_stock":true},{"title":"1000x1750","offer_id":42039618076732,"sku":"LDNDAMP1000X1750","price":1259.29,"currency_code":"GBP","in_stock":true},{"title":"1000x1800","offer_id":42039618109500,"sku":"LDNDAMP1000X1800","price":1277.45,"currency_code":"GBP","in_stock":true},{"title":"1000x1850","offer_id":42039618142268,"sku":"LDNDAMP1000X1850","price":1287.98,"currency_code":"GBP","in_stock":true},{"title":"1000x1900","offer_id":42039618175036,"sku":"LDNDAMP1000X1900","price":1306.15,"currency_code":"GBP","in_stock":true},{"title":"1000x1950","offer_id":42039618207804,"sku":"LDNDAMP1000X1950","price":1316.67,"currency_code":"GBP","in_stock":true},{"title":"1000x2000","offer_id":42039618240572,"sku":"LDNDAMP1000X2000","price":1334.86,"currency_code":"GBP","in_stock":true},{"title":"1000x2050","offer_id":42039618273340,"sku":"LDNDAMP1000X2050","price":1345.38,"currency_code":"GBP","in_stock":true},{"title":"1000x2100","offer_id":42039618306108,"sku":"LDNDAMP1000X2100","price":1363.55,"currency_code":"GBP","in_stock":true},{"title":"1000x2150","offer_id":42039618338876,"sku":"LDNDAMP1000X2150","price":1374.08,"currency_code":"GBP","in_stock":true},{"title":"1000x2200","offer_id":42039618371644,"sku":"LDNDAMP1000X2200","price":1392.26,"currency_code":"GBP","in_stock":true},{"title":"1000x2250","offer_id":42039618404412,"sku":"LDNDAMP1000X2250","price":1402.79,"currency_code":"GBP","in_stock":true},{"title":"1000x2300","offer_id":42039618437180,"sku":"LDNDAMP1000X2300","price":1420.95,"currency_code":"GBP","in_stock":true},{"title":"1050x1000","offer_id":42039618469948,"sku":"LDNDAMP1050X1000","price":1031.97,"currency_code":"GBP","in_stock":true},{"title":"1050x1050","offer_id":42039618502716,"sku":"LDNDAMP1050X1050","price":1042.93,"currency_code":"GBP","in_stock":true},{"title":"1050x1100","offer_id":42039618535484,"sku":"LDNDAMP1050X1100","price":1060.77,"currency_code":"GBP","in_stock":true},{"title":"1050x1150","offer_id":42039618568252,"sku":"LDNDAMP1050X1150","price":1071.75,"currency_code":"GBP","in_stock":true},{"title":"1050x1200","offer_id":42039618601020,"sku":"LDNDAMP1050X1200","price":1089.6,"currency_code":"GBP","in_stock":true},{"title":"1050x1250","offer_id":42039618633788,"sku":"LDNDAMP1050X1250","price":1100.56,"currency_code":"GBP","in_stock":true},{"title":"1050x1300","offer_id":42039618666556,"sku":"LDNDAMP1050X1300","price":1118.42,"currency_code":"GBP","in_stock":true},{"title":"1050x1350","offer_id":42039618699324,"sku":"LDNDAMP1050X1350","price":1129.38,"currency_code":"GBP","in_stock":true},{"title":"1050x1400","offer_id":42039618732092,"sku":"LDNDAMP1050X1400","price":1147.14,"currency_code":"GBP","in_stock":true},{"title":"1050x1450","offer_id":42039618764860,"sku":"LDNDAMP1050X1450","price":1180.21,"currency_code":"GBP","in_stock":true},{"title":"1050x1500","offer_id":42039618797628,"sku":"LDNDAMP1050X1500","price":1197.98,"currency_code":"GBP","in_stock":true},{"title":"1050x1550","offer_id":42039618830396,"sku":"LDNDAMP1050X1550","price":1212.12,"currency_code":"GBP","in_stock":true},{"title":"1050x1600","offer_id":42039618863164,"sku":"LDNDAMP1050X1600","price":1230.28,"currency_code":"GBP","in_stock":true},{"title":"1050x1650","offer_id":42039618895932,"sku":"LDNDAMP1050X1650","price":1241.25,"currency_code":"GBP","in_stock":true},{"title":"1050x1700","offer_id":42039618928700,"sku":"LDNDAMP1050X1700","price":1259.43,"currency_code":"GBP","in_stock":true},{"title":"1050x1750","offer_id":42039618961468,"sku":"LDNDAMP1050X1750","price":1270.37,"currency_code":"GBP","in_stock":true},{"title":"1050x1800","offer_id":42039618994236,"sku":"LDNDAMP1050X1800","price":1288.58,"currency_code":"GBP","in_stock":true},{"title":"1050x1850","offer_id":42039619027004,"sku":"LDNDAMP1050X1850","price":1299.54,"currency_code":"GBP","in_stock":true},{"title":"1050x1900","offer_id":42039619059772,"sku":"LDNDAMP1050X1900","price":1317.71,"currency_code":"GBP","in_stock":true},{"title":"1050x1950","offer_id":42039619092540,"sku":"LDNDAMP1050X1950","price":1328.69,"currency_code":"GBP","in_stock":true},{"title":"1050x2000","offer_id":42039619125308,"sku":"LDNDAMP1050X2000","price":1346.85,"currency_code":"GBP","in_stock":true},{"title":"1100x1000","offer_id":42039619387452,"sku":"LDNDAMP1100X1000","price":1040.07,"currency_code":"GBP","in_stock":true},{"title":"1100x1050","offer_id":42039619420220,"sku":"LDNDAMP1100X1050","price":1051.46,"currency_code":"GBP","in_stock":true},{"title":"1100x1100","offer_id":42039619452988,"sku":"LDNDAMP1100X1100","price":1069.34,"currency_code":"GBP","in_stock":true},{"title":"1100x1150","offer_id":42039619485756,"sku":"LDNDAMP1100X1150","price":1080.72,"currency_code":"GBP","in_stock":true},{"title":"1100x1200","offer_id":42039619518524,"sku":"LDNDAMP1100X1200","price":1098.6,"currency_code":"GBP","in_stock":true},{"title":"1100x1250","offer_id":42039619551292,"sku":"LDNDAMP1100X1250","price":1109.98,"currency_code":"GBP","in_stock":true},{"title":"1100x1300","offer_id":42039619584060,"sku":"LDNDAMP1100X1300","price":1127.83,"currency_code":"GBP","in_stock":true},{"title":"1100x1350","offer_id":42039619616828,"sku":"LDNDAMP1100X1350","price":1139.21,"currency_code":"GBP","in_stock":true},{"title":"1100x1400","offer_id":42039619649596,"sku":"LDNDAMP1100X1400","price":1179.12,"currency_code":"GBP","in_stock":true},{"title":"1100x1450","offer_id":42039619682364,"sku":"LDNDAMP1100X1450","price":1190.52,"currency_code":"GBP","in_stock":true},{"title":"1100x1500","offer_id":42039619715132,"sku":"LDNDAMP1100X1500","price":1208.25,"currency_code":"GBP","in_stock":true},{"title":"1100x1550","offer_id":42039619747900,"sku":"LDNDAMP1100X1550","price":1222.82,"currency_code":"GBP","in_stock":true},{"title":"1100x1600","offer_id":42039619780668,"sku":"LDNDAMP1100X1600","price":1241.01,"currency_code":"GBP","in_stock":true},{"title":"1100x1650","offer_id":42039619813436,"sku":"LDNDAMP1100X1650","price":1252.43,"currency_code":"GBP","in_stock":true},{"title":"1100x1700","offer_id":42039619846204,"sku":"LDNDAMP1100X1700","price":1270.61,"currency_code":"GBP","in_stock":true},{"title":"1100x1750","offer_id":42039619878972,"sku":"LDNDAMP1100X1750","price":1281.99,"currency_code":"GBP","in_stock":true},{"title":"1100x1800","offer_id":42039619911740,"sku":"LDNDAMP1100X1800","price":1300.19,"currency_code":"GBP","in_stock":true},{"title":"1100x1850","offer_id":42039619944508,"sku":"LDNDAMP1100X1850","price":1311.59,"currency_code":"GBP","in_stock":true},{"title":"1100x1900","offer_id":42039619977276,"sku":"LDNDAMP1100X1900","price":1329.76,"currency_code":"GBP","in_stock":true},{"title":"1100x1950","offer_id":42039620010044,"sku":"LDNDAMP1100X1950","price":1341.15,"currency_code":"GBP","in_stock":true},{"title":"1100x2000","offer_id":42039620042812,"sku":"LDNDAMP1100X2000","price":1359.36,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/9710\/0860\/files\/Bulk_Discount_-_LDN.png?v=1742461874"},{"product_id":"fsd-c-series-actuator","title":"FSD-C Series Actuator","description":"\u003cp\u003e\u003cspan\u003e\u003cspan class=\"ui-provider a b c d e f g h i j k l m n o p q r s t u v w x y z ab ac ae af ag ah ai aj ak\" dir=\"ltr\"\u003eThis actuator is compatible to the FSD-C series \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"BSB","offers":[{"title":"24v","offer_id":42044961554492,"sku":"FSD-C-PML24-TF","price":266.93,"currency_code":"GBP","in_stock":true},{"title":"230v","offer_id":42044961587260,"sku":"FSD-C-PML230-TF","price":270.19,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/9710\/0860\/files\/230_Actuator_1e584119-1456-4df7-98a4-2c831060bdc7.png?v=1725029073"},{"product_id":"fsd-td-series-actuator","title":"FSD-TD Series Actuator","description":"\u003cp\u003e\u003cspan\u003e\u003cspan class=\"ui-provider a b c d e f g h i j k l m n o p q r s t u v w x y z ab ac ae af ag ah ai aj ak\" dir=\"ltr\"\u003eThis actuator is compatible to the FSD-TD series \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"BSB","offers":[{"title":"24v","offer_id":42044961652796,"sku":"FSD-TD-PM24-TF","price":313.22,"currency_code":"GBP","in_stock":true},{"title":"230v","offer_id":42044961685564,"sku":"FSD-TD-PM230-TF","price":311.29,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/9710\/0860\/files\/23Actuator.png?v=1724749874"},{"product_id":"fsd-td-series-type-s-galvanised-steel-blades-easy-fix-angle-frame-af","title":"FSD-TD Series - Type S, Galvanised Steel Blades, EASY FIX Angle Frame (AF)","description":"\u003cp class=\"MsoNormal\"\u003eThe BSB FSD-TD series multiblade ES rated motorised Fire Damper is designed to stop the spread of fire and smoke through ducts which pass through fire rated walls, floors, ceilings and cavity barriers.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eES classified fire damper with reduced smoke leakage characteristics (BS EN 1366-2)\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eDesigned to be installed in ducted HVAC systems at fire boundaries, the FSD-TD Series offers robust performance in fire and smoke control, ensuring integrity of compartmentation is maintained in the event of a fire. Suitable for use in areas of sleeping risk and protected escape routes.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eThe FSD-TD Series opposed blade motorised Fire dampers are suitable for use in dryline walls, masonry\/concrete walls, floors, cavity barriers and Batt and is independently 3rd party tested and certified to the following standards:\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eFire resistance tested to BS EN 1366-2.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eES classified to BS EN13501-3 CE marked to BS EN 15650 Closed blade leakage Class 2 to BS EN 1751.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eFully welded damper casing leakage Class C to BS EN 1751.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eThe double skin apposed blade design is held open via the actuator and will spring closed on input signal from damper control system and\/or fire alarm input. Normal operating conditions – to a maximum of 1000Pa.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eThe damper design enables testing via the thermal fuse test button without the need for specialist tools or access panels. NB: Access panels may be required to comply with DW145 G.3.1.5.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eAvailable in galvanised or stainless steel construction in rectangular, circular or flat oval spigot configurations. tested horizontal and vertical options, with five frame variations to suit varying applications.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo1; tab-stops: list 36.0pt;\"\u003eAvailable in sizes from 100mm wide x 100mm high up to 1000mm wide x 1000mm high in single section, larger format multiple section configurations available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePrice exclude actuator, please search for \u003ca href=\"https:\/\/www.inbuilduk.com\/products\/fsd-c-series-actuator\"\u003eFSD-TD Series 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Series - Type C, Galvanised Steel Blades, Easy Fix Angle Frame (AF)","description":"\u003cp\u003eThe BSB FSD-TD series multiblade ES rated motorised Fire Damper is designed to stop the spread of fire and smoke through ducts which pass through fire rated walls, floors, ceilings and cavity barriers.\u003c\/p\u003e\n\u003cp\u003eES classified fire damper with reduced smoke leakage characteristics (BS EN 1366-2)\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eDesigned to be installed in ducted HVAC systems at fire boundaries, the FSD-TD Series offers robust performance in fire and smoke control, ensuring integrity of compartmentation is maintained in the event of a fire. Suitable for use in areas of sleeping risk and protected escape routes.\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe FSD-TD Series opposed blade motorised Fire dampers are suitable for use in dryline walls, masonry\/concrete walls, floors, cavity barriers and Batt and is independently 3rd party tested and certified to the following standards:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFire resistance tested to BS EN 1366-2.\u003c\/li\u003e\n\u003cli\u003eES classified to BS EN13501-3 CE marked to BS EN 15650 Closed blade leakage Class 2 to BS EN 1751.\u003c\/li\u003e\n\u003cli\u003eFully welded damper casing leakage Class C to BS EN 1751.\u003c\/li\u003e\n\u003cli\u003eThe double skin apposed blade design is held open via the actuator and will spring closed on input signal from damper control system and\/or fire alarm input. Normal operating conditions – to a maximum of 1000Pa.\u003c\/li\u003e\n\u003cli\u003eThe damper design enables testing via the thermal fuse test button without the need for specialist tools or access panels. NB: Access panels may be required to comply with DW145 G.3.1.5.\u003c\/li\u003e\n\u003cli\u003eAvailable in galvanised or stainless steel construction in rectangular, circular or flat oval spigot configurations. tested horizontal and vertical options, with five frame variations to suit varying applications.\u003c\/li\u003e\n\u003cli\u003eAvailable in sizes from 100mm wide x 100mm high up to 1000mm wide x 1000mm high in single section, larger format multiple section configurations available.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePrice excludes actuator, please search for \u003ca href=\"https:\/\/www.inbuilduk.com\/products\/fsd-c-series-actuator\"\u003eFSD-TD Series Actuator\u003c\/a\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"BSB","offers":[{"title":"100D","offer_id":42044965290044,"sku":"FSD-TD-C-C1-B1-AF100D","price":157.83,"currency_code":"GBP","in_stock":true},{"title":"150D","offer_id":42044965322812,"sku":"FSD-TD-C-C1-B1-AF150D","price":169.0,"currency_code":"GBP","in_stock":true},{"title":"160D","offer_id":42044965355580,"sku":"FSD-TD-C-C1-B1-AF160D","price":169.0,"currency_code":"GBP","in_stock":true},{"title":"200D","offer_id":42044965388348,"sku":"FSD-TD-C-C1-B1-AF200D","price":187.32,"currency_code":"GBP","in_stock":true},{"title":"250D","offer_id":42044965421116,"sku":"FSD-TD-C-C1-B1-AF250D","price":207.22,"currency_code":"GBP","in_stock":true},{"title":"300D","offer_id":42044965453884,"sku":"FSD-TD-C-C1-B1-AF300D","price":219.83,"currency_code":"GBP","in_stock":true},{"title":"350D","offer_id":42044965486652,"sku":"FSD-TD-C-C1-B1-AF350D","price":244.53,"currency_code":"GBP","in_stock":true},{"title":"400D","offer_id":42044965519420,"sku":"FSD-TD-C-C1-B1-AF400D","price":258.38,"currency_code":"GBP","in_stock":true},{"title":"450D","offer_id":42044965552188,"sku":"FSD-TD-C-C1-B1-AF450D","price":283.59,"currency_code":"GBP","in_stock":true},{"title":"500D","offer_id":42044965584956,"sku":"FSD-TD-C-C1-B1-AF500D","price":298.4,"currency_code":"GBP","in_stock":true},{"title":"550D","offer_id":42044965617724,"sku":"FSD-TD-C-C1-B1-AF550D","price":325.73,"currency_code":"GBP","in_stock":true},{"title":"600D","offer_id":42044965650492,"sku":"FSD-TD-C-C1-B1-AF600D","price":350.11,"currency_code":"GBP","in_stock":true},{"title":"650D","offer_id":42044965683260,"sku":"FSD-TD-C-C1-B1-AF650D","price":380.06,"currency_code":"GBP","in_stock":true},{"title":"700D","offer_id":42044965716028,"sku":"FSD-TD-C-C1-B1-AF700D","price":398.51,"currency_code":"GBP","in_stock":true},{"title":"750D","offer_id":42044965748796,"sku":"FSD-TD-C-C1-B1-AF750D","price":430.37,"currency_code":"GBP","in_stock":true},{"title":"800D","offer_id":42044965781564,"sku":"FSD-TD-C-C1-B1-AF800D","price":450.86,"currency_code":"GBP","in_stock":true},{"title":"850D","offer_id":42044965814332,"sku":"FSD-TD-C-C1-B1-AF850D","price":486.43,"currency_code":"GBP","in_stock":true},{"title":"900D","offer_id":42044965847100,"sku":"FSD-TD-C-C1-B1-AF900D","price":508.52,"currency_code":"GBP","in_stock":true},{"title":"950D","offer_id":42044965879868,"sku":"FSD-TD-C-C1-B1-AF950D","price":543.17,"currency_code":"GBP","in_stock":true},{"title":"1000D","offer_id":42044965912636,"sku":"FSD-TD-C-C1-B1-AF1000D","price":567.16,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/9710\/0860\/files\/FSD-TD.png?v=1722252340"},{"product_id":"fsd-c-series-galavanised-steel-blades-installation-plate-ip","title":"FSD-C Series - Galavanised Steel Blades, Installation Plate (IP)","description":"\u003cp\u003eThe BSB FSD-C Series, Circular Single Blade Fire Damper\u003c\/p\u003e\n\u003cp\u003eFSD-C series Circular Single Blade ES rated motorised Fire Damper is designed to stop the spread of fire and smoke through circular ducts which pass through fire rated walls, floors, ceilings and cavity barriers.\u003c\/p\u003e\n\u003cp\u003eES classified fire damper with reduced smoke leakage characteristics (BS EN 1366-2) Size range available: 100mm to 315mm dia. Can be installed from one side of the fire separation barrier without the need for fire-rated infill material.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned to be installed in circular ducted HVAC systems at fire boundaries, the FSD-C Series offers robust performance in fire condition, ensuring integrity of compartmentation is maintained. Suitable for use in areas of sleeping risk and protected escape routes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe FSD-C Series circular single blade Fire dampers are suitable for use in dryline walls and masonry\/concrete walls and floors and cavity barriers and is independently 3rd party tested and certified to the following standards:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFire resistance tested to BS EN 1366-2.\u003c\/li\u003e\n\u003cli\u003eES classified to BS EN13501-3.\u003c\/li\u003e\n\u003cli\u003eCE marked to BS EN 15650.\u003c\/li\u003e\n\u003cli\u003eClosed blade leakage Class 3 to BS EN 1751.\u003c\/li\u003e\n\u003cli\u003eDamper casing leakage Class C to BS EN 1751, normal operating conditions – to a maximum of 1000Pa.\u003c\/li\u003e\n\u003cli\u003eThe patented single blade layered design is held open via the actuator and will spring closed on input signal from damper control system and\/or fire alarm input.\u003c\/li\u003e\n\u003cli\u003eThe damper design enables testing via the thermal fuse test button without the need for specialist tools or access panels. NB: Access panels may be required to comply with DW145 G.3.1.5.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003ePrice exclude actuator, please search for \u003ca title=\"FSD C Series Actuator\" href=\"https:\/\/www.inbuilduk.com\/products\/fsd-c-series-actuator\"\u003eFSD-C Series Actuator\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is a fire damper and why might they be needed?\u003c\/strong\u003e\u003cbr\u003eThe FSD-C Series Single Blade Circular Fire Damper is designed to stop the spread of fire through ducts passing through walls and floors.\u003cbr\u003eThe product range has many features and options to meet the requirements of specifiers, contractors, local and national authorities. \u003cbr\u003eDampers are available to suit both low\/medium and high velocity applications.\u003cbr\u003e\u003cstrong\u003eWhat are the ‘E’ and ‘ES’ classifications?\u003c\/strong\u003e\u003cbr\u003eTo achieve the classifications to EN13501-3, fire dampers and fire and smoke dampers shall be tested to EN1366-2 and a 300Pa pressure difference is applied across the damper. During the fire test period, the integrity of the seal between the damper and the\u003cbr\u003estructure shall not have any gaps larger than 150mm x 6mm. There shall not be any sustained flaming. The largest size of damper to be manufactured for sale as a single section shall be fire tested.\u003cbr\u003e\u003cstrong\u003eE = Integrity\u003c\/strong\u003e\u003cbr\u003eThe maximum leakage permissible at 300Pa corrected to 20°C is 360m3\/hr\/m2 (100 l\/s\/m2) throughout the fire test period. \u003cbr\u003e\u003cstrong\u003eES = Integrity with Smoke Leakage Performance\u003c\/strong\u003e\u003cbr\u003eThe maximum leakage permissible at 300Pa corrected to 20°C is 200m3\/hr\/m2 (55.5 l\/s\/m2) at ambient prior to the fire test and throughout the fire test period. In addition, for the ES classification to be attained, the smallest damper must also meet the\u003cbr\u003e200m3\/hr\/m2 maximum leakage with a 300Pa pressure across the damper. (This is  equivalent to just 0.55 l\/s on a 100x100 damper) \u003cbr\u003eFire dampers should be installed as tested.\u003cbr\u003eSome applications (fan off) allow the use of tests undertaken to BS 476-20\/22 and this is also allowed worldwide in areas outside of the EU. Test reports showing testing to EN 1366-2 should be acceptable to meet the requirements of BS 476-20\/22, but the reverse is definitely not the case and no classifications are available.\u003cbr\u003eHowever, as a word of caution, in whichever case, the correct model must be selected, to match fire resistance time with installation method and with the supporting construction (wall or floor).\u003cbr\u003eTo ensure that all testing and assessments are traceable back to initial fire test reports, the BSB FSD-C series is product certificated by \u003cbr\u003ethe Loss Prevention Certification Board (LPCB). This means that in addition to normal BS EN ISO 9001 compliance, the product is also \u003cbr\u003echecked to ensure that same product is being manufactured that has been tested or assessed. \u003c\/p\u003e","brand":"BSB","offers":[{"title":"100D","offer_id":42044966010940,"sku":"FSD-C-G-IP100D","price":67.66,"currency_code":"GBP","in_stock":true},{"title":"125D","offer_id":42044966043708,"sku":"FSD-C-G-IP125D","price":69.95,"currency_code":"GBP","in_stock":true},{"title":"150D","offer_id":42044966076476,"sku":"FSD-C-G-IP150D","price":75.21,"currency_code":"GBP","in_stock":true},{"title":"160D","offer_id":42044966109244,"sku":"FSD-C-G-IP160D","price":76.41,"currency_code":"GBP","in_stock":true},{"title":"200D","offer_id":42044966142012,"sku":"FSD-C-G-IP200D","price":83.95,"currency_code":"GBP","in_stock":true},{"title":"250D","offer_id":42044966174780,"sku":"FSD-C-G-IP250D","price":89.47,"currency_code":"GBP","in_stock":true},{"title":"300D","offer_id":42044966207548,"sku":"FSD-C-G-IP300D","price":101.32,"currency_code":"GBP","in_stock":true},{"title":"315D","offer_id":42044966240316,"sku":"FSD-C-G-IP315D","price":109.11,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/9710\/0860\/files\/FSD-C.png?v=1722249287"},{"product_id":"fsd-c-series-galavanised-steel-blades-installation-plate-ip-rotatable-cleats-r-cl","title":"FSD-C series - Galavanised Steel Blades, Installation Plate (IP) \u0026 Rotatable Cleats (R-CL)","description":"\u003cp\u003eThe BSB FSD-C Series, Circular Single Blade Fire Damper\u003c\/p\u003e\n\u003cp\u003eFSD-C series Circular Single Blade ES rated motorised Fire Damper is designed to stop the spread of fire and smoke through circular ducts which pass through fire rated walls, floors, ceilings and cavity barriers.\u003c\/p\u003e\n\u003cp\u003eES classified fire damper with reduced smoke leakage characteristics (BS EN 1366-2) Size range available: 100mm to 315mm dia. Can be installed from one side of the fire separation barrier without the need for fire-rated infill material.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned to be installed in circular ducted HVAC systems at fire boundaries, the FSD-C Series offers robust performance in fire condition, ensuring integrity of compartmentation is maintained. Suitable for use in areas of sleeping risk and protected escape routes.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eThe FSD-C Series circular single blade Fire dampers are suitable for use in dryline walls and masonry\/concrete walls and floors and cavity barriers and is independently 3rd party tested and certified to the following standards:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFire resistance tested to BS EN 1366-2.\u003c\/li\u003e\n\u003cli\u003eES classified to BS EN13501-3.\u003c\/li\u003e\n\u003cli\u003eCE marked to BS EN 15650.\u003c\/li\u003e\n\u003cli\u003eClosed blade leakage Class 3 to BS EN 1751.\u003c\/li\u003e\n\u003cli\u003eDamper casing leakage Class C to BS EN 1751, normal operating conditions – to a maximum of 1000Pa.\u003c\/li\u003e\n\u003cli\u003eThe patented single blade layered design is held open via the actuator and will spring closed on input signal from damper control system and\/or fire alarm input.\u003c\/li\u003e\n\u003cli\u003eThe damper design enables testing via the thermal fuse test button without the need for specialist tools or access panels. NB: Access panels may be required to comply with DW145 G.3.1.5.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003ePrice \u003c\/span\u003e\u003cspan\u003eexcludes\u003c\/span\u003e\u003cspan\u003e actuator, please search for \u003c\/span\u003e\u003ca href=\"https:\/\/www.inbuilduk.com\/products\/fsd-c-series-actuator\"\u003e\u003cspan\u003eFSD-C Series Actuator\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhat is a fire damper and why might they be needed?\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eThe FSD-C Series Single Blade Circular Fire Damper is designed to stop the spread of fire through ducts passing through walls and floors. The product range has many features and options to meet the requirements of specifiers, contractors, local and national authorities. Dampers are available to suit both low\/medium and high velocity applications.\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWhat are the ‘E’ and ‘ES’ classifications?\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eTo achieve the classifications to EN13501-3, fire dampers and fire and smoke dampers shall be tested to EN1366-2 and a 300Pa pressure difference is applied across the damper. During the fire test period, the integrity of the seal between the damper and the structure shall not have any gaps larger than 150mm x 6mm. There shall not be any sustained flaming. The largest size of damper to be manufactured for sale as a single section shall be fire tested.\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eE = Integrity\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eThe maximum leakage permissible at 300Pa corrected to 20°C is 360m3\/hr\/m2 (100 l\/s\/m2) throughout the fire test period.\u003c\/span\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eES = Integrity with Smoke Leakage Performance\u003c\/strong\u003e\u003cspan\u003e\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eThe maximum leakage permissible at 300Pa corrected to 20°C is 200m3\/hr\/m2 (55.5 l\/s\/m2) at ambient prior to the fire test and throughout the fire test period. In addition, for the ES classification to be attained, the smallest damper must also meet the \u003c\/span\u003e\u003cspan\u003e200m3\/hr\/m2 maximum leakage with a 300Pa pressure across the damper. (This is equivalent to just 0.55 l\/s on a 100x100 damper).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eFire dampers should be installed as tested. Some applications (fan off) allow the use of tests undertaken to BS 476-20\/22 and this is also allowed worldwide in areas outside of the EU. Test reports showing testing to EN 1366-2 should be acceptable to meet the requirements of BS 476-20\/22, but the reverse is definitely not the case and no classifications are available. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eHowever, as a word of caution, in whichever case, the correct model must be selected, to match fire resistance time with installation method and with the supporting construction (wall or floor). To ensure that all testing and assessments are traceable back to initial fire test reports, the BSB FSD-C series is product certified by the Loss Prevention Certification Board (LPCB). This means that in addition to normal BS EN ISO 9001 compliance, the product is also checked to ensure that the same product is being manufactured that has been tested or assessed.\u003c\/span\u003e\u003c\/p\u003e","brand":"BSB","offers":[{"title":"100D","offer_id":42044966436924,"sku":"FSD-C-G-IP-R-CL100D","price":85.1,"currency_code":"GBP","in_stock":true},{"title":"125D","offer_id":42044966469692,"sku":"FSD-C-G-IP-R-CL125D","price":87.39,"currency_code":"GBP","in_stock":true},{"title":"150D","offer_id":42044966502460,"sku":"FSD-C-G-IP-R-CL150D","price":92.65,"currency_code":"GBP","in_stock":true},{"title":"160D","offer_id":42044966535228,"sku":"FSD-C-G-IP-R-CL160D","price":93.86,"currency_code":"GBP","in_stock":true},{"title":"200D","offer_id":42044966567996,"sku":"FSD-C-G-IP-R-CL200D","price":101.4,"currency_code":"GBP","in_stock":true},{"title":"250D","offer_id":42044966600764,"sku":"FSD-C-G-IP-R-CL250D","price":106.91,"currency_code":"GBP","in_stock":true},{"title":"300D","offer_id":42044966633532,"sku":"FSD-C-G-IP-R-CL300D","price":118.75,"currency_code":"GBP","in_stock":true},{"title":"315D","offer_id":42044966666300,"sku":"FSD-C-G-IP-R-CL315D","price":126.54,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0604\/9710\/0860\/files\/FSD-C_e1c0eb02-a337-47f7-af60-fcbe4d765277.png?v=1722252300"},{"product_id":"vc-series-flangefit-430-grade-stainless-steel-blades-hand-operated","title":"VC Series, Flangefit, 430 Grade Stainless Steel Blades, Hand Operated","description":"\u003cp\u003eThe VC Series Volume Control Damper is designed primarily to balance airflows in ducted low to medium velocity H\u0026amp;V systems.\u003c\/p\u003e\n\u003cp\u003eIt can be used to perform manual or actuated control functions, where low closed blade leakage is not a requirement. Suitable for various duct installations.\u003c\/p\u003e\n\u003cp\u003eConforming to Classes A, B \u0026amp; C of Eurovent 2\/2 Table 1, DW 144 2016 Edition, and BS EN 1751 Table C.2.\u003c\/p\u003e\n\u003cp\u003eThe VC Series Volume Control Dampers are designed for duct installations to balance and regulate airflow within HVAC systems.\u003c\/p\u003e\n\u003cp\u003eConforming to Classes A, B \u0026amp; C of Eurovent 2\/2 Table 1, DW 144 2016 Edition, and BS EN 1751 Table C.2.\u003c\/p\u003e\n\u003cp\u003eNormal operating conditions should not exceed 1000Pa, where Classes A \u0026amp; B of DW 144 2016 apply.\u003c\/p\u003e\n\u003cp\u003eFeaturing a galvanised mild steel casing as standard, with options for stainless steel blades. Available in various sizes, including rectangular, circular or flat oval models, with flanged or spigotted duct connections and are suitable for installation in both vertical and horizontal positions.\u003c\/p\u003e\n\u003cp\u003eFlanged rectangular models with 65mm deep mechanically fixed casings incorporate universal corner fixing slots.\u003c\/p\u003e\n\u003cp\u003eRectangular spigotted models with 85mm fully welded case, or circular spigotted models with 70mm fully welded cases available.\u003c\/p\u003e\n\u003cp\u003eSizes from 100mm to 1000mm rectangular and 100mm to 1000mm dia single section with multiple configurations available.\u003c\/p\u003e\n\u003cp\u003eThe robust 50mm wide roll formed and clinched blade design ensures smooth operation and low noise with steel linkage located out of the airflow and are available in galvanised or stainless steel (430 or 316) to suit application.\u003c\/p\u003e\n\u003cp\u003e3 control options are available; hand control, extended spindle (motorisation by others) or motorised (state actuator voltage and model when ordering).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor further technical information please see below.\u003c\/strong\u003e\u003c\/p\u003e","brand":"BSB","offers":[{"title":"250 \/ 250","offer_id":55708204761474,"sku":"VC-F-S-H250x250","price":46.73,"currency_code":"GBP","in_stock":true},{"title":"300 \/ 250","offer_id":55708204794242,"sku":"VC-F-S-H300x250","price":47.62,"currency_code":"GBP","in_stock":true},{"title":"350 \/ 250","offer_id":55708204827010,"sku":"VC-F-S-H350x250","price":48.73,"currency_code":"GBP","in_stock":true},{"title":"400 \/ 250","offer_id":55708204859778,"sku":"VC-F-S-H400x250","price":50.1,"currency_code":"GBP","in_stock":true},{"title":"450 \/ 250","offer_id":55708204892546,"sku":"VC-F-S-H450x250","price":50.79,"currency_code":"GBP","in_stock":true},{"title":"500 \/ 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