{"title":"Fire Protection","description":"","products":[{"product_id":"fire-damper","title":"S100BGP – NCA Series 100 Plate Frame Fire Damper","description":"\u003cp data-start=\"225\" data-end=\"682\"\u003eThe \u003cstrong data-start=\"248\" data-end=\"300\"\u003eS100BGP – NCA Series 100 Plate Frame Fire Damper\u003c\/strong\u003e is a safety device designed to prevent the spread of fire and smoke through HVAC ductwork. It automatically closes when exposed to high temperatures, maintaining compartmentation and protecting building occupants and property. 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data-end=\"164\"\u003eIris Damper\u003c\/strong\u003e is a type of adjustable airflow control device used in HVAC duct systems to regulate the volume of air passing through circular ducts. Its unique design allows precise throttling of airflow by rotating multiple radial blades, similar to a camera iris, making it ideal for balancing air in commercial, industrial, and laboratory ventilation systems. Iris dampers are compact, easy to install, and provide smooth, stepless control of airflow.\u003c\/p\u003e\n\u003cp data-start=\"609\" data-end=\"624\"\u003e\u003cstrong data-start=\"609\" data-end=\"622\"\u003eMaterial:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"625\" data-end=\"973\"\u003e\n\u003cli data-section-id=\"1g19ys\" data-start=\"625\" data-end=\"716\"\u003e\n\u003cp data-start=\"627\" data-end=\"716\"\u003e\u003cstrong data-start=\"627\" data-end=\"638\"\u003eCasing:\u003c\/strong\u003e Galvanised steel or stainless steel for durability and corrosion resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"121rst4\" data-start=\"717\" data-end=\"797\"\u003e\n\u003cp data-start=\"719\" data-end=\"797\"\u003e\u003cstrong data-start=\"719\" data-end=\"730\"\u003eBlades:\u003c\/strong\u003e Aluminium or steel, sometimes with rubber or silicone edge seals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1qjkz89\" data-start=\"798\" data-end=\"881\"\u003e\n\u003cp data-start=\"800\" data-end=\"881\"\u003e\u003cstrong data-start=\"800\" data-end=\"821\"\u003eShaft \u0026amp; Bearings:\u003c\/strong\u003e Stainless steel or zinc-plated steel for smooth operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"wt0h33\" data-start=\"882\" data-end=\"973\"\u003e\n\u003cp data-start=\"884\" data-end=\"973\"\u003e\u003cstrong data-start=\"884\" data-end=\"898\"\u003eActuation:\u003c\/strong\u003e Manual handwheel, lever, or compatible with electric\/pneumatic actuators\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"975\" data-end=\"996\"\u003e\u003cstrong data-start=\"975\" data-end=\"994\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"997\" data-end=\"1378\"\u003e\n\u003cli data-section-id=\"cde78j\" data-start=\"997\" data-end=\"1035\"\u003e\n\u003cp data-start=\"999\" data-end=\"1035\"\u003eSuitable for circular duct systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"h083fg\" data-start=\"1036\" data-end=\"1093\"\u003e\n\u003cp data-start=\"1038\" data-end=\"1093\"\u003eStepless airflow control using radial blade mechanism\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1tpe8wn\" data-start=\"1094\" data-end=\"1150\"\u003e\n\u003cp data-start=\"1096\" data-end=\"1150\"\u003ePressure rating: Low to medium pressure duct systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"18cqm4q\" data-start=\"1151\" data-end=\"1193\"\u003e\n\u003cp data-start=\"1153\" data-end=\"1193\"\u003eAvailable in a wide range of diameters\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"c6z0dd\" data-start=\"1194\" data-end=\"1250\"\u003e\n\u003cp data-start=\"1196\" data-end=\"1250\"\u003eCan be operated manually or with motorised actuation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1julh5p\" data-start=\"1251\" data-end=\"1296\"\u003e\n\u003cp data-start=\"1253\" data-end=\"1296\"\u003eDurable construction with minimal leakage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"gfedeh\" data-start=\"1297\" data-end=\"1378\"\u003e\n\u003cp data-start=\"1299\" data-end=\"1378\"\u003eOptional features: position indicators, locking handles, or actuator mounting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Direct Duct Supplies","offers":[{"title":"100mm","offer_id":57219751215429,"sku":null,"price":68.99,"currency_code":"GBP","in_stock":true},{"title":"125mm","offer_id":57219751248197,"sku":null,"price":68.99,"currency_code":"GBP","in_stock":true},{"title":"150mm","offer_id":57219751280965,"sku":null,"price":78.99,"currency_code":"GBP","in_stock":true},{"title":"160mm","offer_id":57219751313733,"sku":null,"price":78.99,"currency_code":"GBP","in_stock":true},{"title":"200mm","offer_id":57219751346501,"sku":null,"price":84.99,"currency_code":"GBP","in_stock":true},{"title":"250mm","offer_id":57219751379269,"sku":null,"price":158.99,"currency_code":"GBP","in_stock":true},{"title":"300mm","offer_id":57219751412037,"sku":null,"price":178.99,"currency_code":"GBP","in_stock":true},{"title":"315mm","offer_id":57219751444805,"sku":null,"price":178.99,"currency_code":"GBP","in_stock":true},{"title":"400mm","offer_id":57219751477573,"sku":null,"price":398.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/Iris-dampers-GBL_png.webp?v=1771760333"},{"product_id":"belimo-damper-actuator","title":"Belimo Damper Actuator","description":"\u003cp\u003e\u003ca name=\"aLM230A\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca name=\"aLM230A\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp data-start=\"160\" data-end=\"638\"\u003eThe \u003cstrong data-start=\"183\" data-end=\"209\"\u003eBelimo Damper Actuator\u003c\/strong\u003e is a high-quality, reliable device designed to control the movement of HVAC dampers, including volume control and fire\/smoke dampers. It converts electrical control signals into precise damper positioning, enabling accurate regulation of airflow for energy-efficient and comfortable ventilation. Belimo actuators are widely used in commercial, industrial, and residential HVAC systems for both new installations and retrofits.\u003c\/p\u003e\n\u003cp data-start=\"640\" data-end=\"655\"\u003e\u003cstrong data-start=\"640\" data-end=\"653\"\u003eMaterial:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"656\" data-end=\"959\"\u003e\n\u003cli data-section-id=\"f0ur66\" data-start=\"656\" data-end=\"725\"\u003e\n\u003cp data-start=\"658\" data-end=\"725\"\u003e\u003cstrong data-start=\"658\" data-end=\"670\"\u003eHousing:\u003c\/strong\u003e Durable, impact-resistant plastic or metal enclosure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"6fqf8n\" data-start=\"726\" data-end=\"795\"\u003e\n\u003cp data-start=\"728\" data-end=\"795\"\u003e\u003cstrong data-start=\"728\" data-end=\"752\"\u003eInternal Components:\u003c\/strong\u003e Precision gears and motorized mechanisms\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"118dzfb\" data-start=\"796\" data-end=\"887\"\u003e\n\u003cp data-start=\"798\" data-end=\"887\"\u003e\u003cstrong data-start=\"798\" data-end=\"819\"\u003eShaft \u0026amp; Coupling:\u003c\/strong\u003e Stainless steel or zinc-plated steel for smooth damper connection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"8l7sd9\" data-start=\"888\" data-end=\"959\"\u003e\n\u003cp data-start=\"890\" data-end=\"959\"\u003e\u003cstrong data-start=\"890\" data-end=\"911\"\u003eSeals \u0026amp; Bearings:\u003c\/strong\u003e Long-life components for reliable performance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"961\" data-end=\"993\"\u003e\u003cstrong data-start=\"961\" data-end=\"991\"\u003eSpecifications :\u003c\/strong\u003e\u003c\/p\u003e\n\u003col data-start=\"994\" data-end=\"1378\"\u003e\n\u003cli data-section-id=\"135mfgx\" data-start=\"994\" data-end=\"1078\"\u003e\n\u003cp data-start=\"997\" data-end=\"1078\"\u003e\u003cstrong data-start=\"997\" data-end=\"1006\"\u003eType:\u003c\/strong\u003e Electric damper actuator (spring-return or non-spring-return options)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1i0z8v3\" data-start=\"1079\" data-end=\"1157\"\u003e\n\u003cp data-start=\"1082\" data-end=\"1157\"\u003e\u003cstrong data-start=\"1082\" data-end=\"1099\"\u003ePower Supply:\u003c\/strong\u003e 24 V AC\/DC, 230 V AC, or 24 V AC multi-voltage versions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"ctl1hk\" data-start=\"1158\" data-end=\"1230\"\u003e\n\u003cp data-start=\"1161\" data-end=\"1230\"\u003e\u003cstrong data-start=\"1161\" data-end=\"1180\"\u003eControl Signal:\u003c\/strong\u003e 0–10 V, 2–10 V, or PWM input depending on model\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"8xl2ll\" data-start=\"1231\" data-end=\"1301\"\u003e\n\u003cp data-start=\"1234\" data-end=\"1301\"\u003e\u003cstrong data-start=\"1234\" data-end=\"1245\"\u003eTorque:\u003c\/strong\u003e Typically ranges from 2 Nm to 20 Nm depending on size\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ti27x5\" data-start=\"1302\" data-end=\"1378\"\u003e\n\u003cp data-start=\"1305\" data-end=\"1378\"\u003e\u003cstrong data-start=\"1305\" data-end=\"1325\"\u003eOperating Range:\u003c\/strong\u003e Standard 90° rotation; adjustable models available\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Direct Duct Supplies","offers":[{"title":"Belimo LM230A Damper Actuator 230v","offer_id":57219751510341,"sku":null,"price":98.99,"currency_code":"GBP","in_stock":true},{"title":"Belimo LM230A-S Damper Actuator 230v","offer_id":57219751543109,"sku":null,"price":110.0,"currency_code":"GBP","in_stock":true},{"title":"Belimo LM24A Damper Actuator 24v","offer_id":57219751575877,"sku":null,"price":98.99,"currency_code":"GBP","in_stock":true},{"title":"Belimo LM24A-S Damper Actuator 24v","offer_id":57219751608645,"sku":null,"price":110.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/lm230a-ex.jpg?v=1771760334"},{"product_id":"nca-series-volume-control-damper-1","title":"S900BA – NCA Series Volume Control Damper","description":"\u003cp data-start=\"200\" data-end=\"650\"\u003ehe \u003cstrong data-start=\"223\" data-end=\"268\"\u003eS900BA – NCA Series Volume Control Damper\u003c\/strong\u003e is designed for precise regulation of airflow in HVAC duct systems. With its robust multi-blade construction, it allows accurate balancing of supply or extract air, ensuring optimal environmental comfort and energy efficiency. Suitable for commercial, industrial, and large residential applications, this damper is reliable, durable, and easy to integrate into existing ductwork.\u003c\/p\u003e\n\u003cp data-start=\"652\" data-end=\"667\"\u003e\u003cstrong data-start=\"652\" data-end=\"665\"\u003eMaterial:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"668\" data-end=\"1028\"\u003e\n\u003cli data-section-id=\"1g19ys\" data-start=\"668\" data-end=\"759\"\u003e\n\u003cp data-start=\"670\" data-end=\"759\"\u003e\u003cstrong data-start=\"670\" data-end=\"681\"\u003eCasing:\u003c\/strong\u003e Galvanised steel or stainless steel for durability and corrosion resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1dy6ssd\" data-start=\"760\" data-end=\"857\"\u003e\n\u003cp data-start=\"762\" data-end=\"857\"\u003e\u003cstrong data-start=\"762\" data-end=\"773\"\u003eBlades:\u003c\/strong\u003e Aluminium or steel with optional rubber or silicone edge seals to prevent leakage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1qjkz89\" data-start=\"858\" data-end=\"941\"\u003e\n\u003cp data-start=\"860\" data-end=\"941\"\u003e\u003cstrong data-start=\"860\" data-end=\"881\"\u003eShaft \u0026amp; Bearings:\u003c\/strong\u003e Stainless steel or zinc-plated steel for smooth operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1wmrm0u\" data-start=\"942\" data-end=\"1028\"\u003e\n\u003cp data-start=\"944\" data-end=\"1028\"\u003e\u003cstrong data-start=\"944\" data-end=\"958\"\u003eActuation:\u003c\/strong\u003e Manual lever, gear, or compatible with electric\/pneumatic actuators\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1030\" data-end=\"1062\"\u003e\u003cstrong data-start=\"1030\" data-end=\"1060\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003col data-start=\"1063\" data-end=\"1380\"\u003e\n\u003cli data-section-id=\"3shkze\" data-start=\"1063\" data-end=\"1125\"\u003e\n\u003cp data-start=\"1066\" data-end=\"1125\"\u003eAdjustable multi-blade design for precise airflow control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"sq3n7x\" data-start=\"1126\" data-end=\"1180\"\u003e\n\u003cp data-start=\"1129\" data-end=\"1180\"\u003eSuitable for rectangular or circular duct systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1yucvaw\" data-start=\"1181\" data-end=\"1233\"\u003e\n\u003cp data-start=\"1184\" data-end=\"1233\"\u003eManual or motorised actuation options available\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"g7i967\" data-start=\"1234\" data-end=\"1297\"\u003e\n\u003cp data-start=\"1237\" data-end=\"1297\"\u003ePressure rating: Low to medium pressure systems (0–500 Pa)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1i76tty\" data-start=\"1298\" data-end=\"1380\"\u003e\n\u003cp data-start=\"1301\" data-end=\"1380\"\u003eStandard finish: Galvanised steel; optional stainless steel or powder coating\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Direct Duct Supplies","offers":[{"title":"100mm \/ 100mm","offer_id":58292348158277,"sku":null,"price":38.15,"currency_code":"GBP","in_stock":true},{"title":"100mm \/ 150mm","offer_id":58292348191045,"sku":null,"price":39.18,"currency_code":"GBP","in_stock":true},{"title":"100mm \/ 200mm","offer_id":58292348223813,"sku":null,"price":40.21,"currency_code":"GBP","in_stock":true},{"title":"100mm \/ 250mm","offer_id":58292348256581,"sku":null,"price":41.24,"currency_code":"GBP","in_stock":true},{"title":"100mm \/ 300mm","offer_id":58292348289349,"sku":null,"price":42.29,"currency_code":"GBP","in_stock":true},{"title":"100mm \/ 350mm","offer_id":58292348322117,"sku":null,"price":43.32,"currency_code":"GBP","in_stock":true},{"title":"100mm \/ 400mm","offer_id":58292348354885,"sku":null,"price":44.35,"currency_code":"GBP","in_stock":true},{"title":"100mm \/ 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standard finishes: galvanised steel, optional powder coating or stainless steel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Direct Duct Supplies","offers":[{"title":"100mm","offer_id":57219751903557,"sku":null,"price":49.0,"currency_code":"GBP","in_stock":true},{"title":"125mm","offer_id":57219751936325,"sku":null,"price":57.0,"currency_code":"GBP","in_stock":true},{"title":"150mm","offer_id":57219751969093,"sku":null,"price":57.0,"currency_code":"GBP","in_stock":true},{"title":"160mm","offer_id":57219752001861,"sku":null,"price":62.0,"currency_code":"GBP","in_stock":true},{"title":"200mm","offer_id":57219752034629,"sku":null,"price":62.0,"currency_code":"GBP","in_stock":true},{"title":"224mm","offer_id":57219752067397,"sku":null,"price":71.5,"currency_code":"GBP","in_stock":true},{"title":"250mm","offer_id":57219752100165,"sku":null,"price":71.5,"currency_code":"GBP","in_stock":true},{"title":"300mm","offer_id":57219752132933,"sku":null,"price":81.0,"currency_code":"GBP","in_stock":true},{"title":"315mm","offer_id":57219752165701,"sku":null,"price":87.0,"currency_code":"GBP","in_stock":true},{"title":"355mm","offer_id":57219752198469,"sku":null,"price":87.0,"currency_code":"GBP","in_stock":true},{"title":"400mm","offer_id":57219752231237,"sku":null,"price":95.0,"currency_code":"GBP","in_stock":true},{"title":"450mm","offer_id":57219752264005,"sku":null,"price":103.0,"currency_code":"GBP","in_stock":true},{"title":"500mm","offer_id":57219752296773,"sku":null,"price":114.0,"currency_code":"GBP","in_stock":true},{"title":"560mm","offer_id":57219752329541,"sku":null,"price":143.0,"currency_code":"GBP","in_stock":true},{"title":"630mm","offer_id":57219752362309,"sku":null,"price":160.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/MULTI_BLADE_Circular_VCD-e1507192493517.jpg?v=1771760339"},{"product_id":"back-draught-shutter-bds-1","title":"Back-Draught Shutter (BDS)","description":"\u003cp data-start=\"167\" data-end=\"611\"\u003eThe \u003cstrong data-start=\"190\" data-end=\"220\"\u003eBack-Draught Shutter (BDS)\u003c\/strong\u003e is a mechanical device installed in ductwork to prevent reverse airflow when a fan or ventilation system is not operating. It automatically closes when air pressure drops, stopping unwanted drafts, heat loss, or ingress of dust and contaminants. Back-draught shutters are commonly used in HVAC supply, extract, and exhaust systems for commercial, industrial, and residential applications.\u003c\/p\u003e\n\u003cp data-start=\"613\" data-end=\"628\"\u003e\u003cstrong data-start=\"613\" data-end=\"626\"\u003eMaterial:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"629\" data-end=\"940\"\u003e\n\u003cli data-section-id=\"1g19ys\" data-start=\"629\" data-end=\"720\"\u003e\n\u003cp data-start=\"631\" data-end=\"720\"\u003e\u003cstrong data-start=\"631\" data-end=\"642\"\u003eCasing:\u003c\/strong\u003e Galvanised steel or stainless steel for durability and corrosion resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"zdy6dg\" data-start=\"721\" data-end=\"789\"\u003e\n\u003cp data-start=\"723\" data-end=\"789\"\u003e\u003cstrong data-start=\"723\" data-end=\"734\"\u003eBlades:\u003c\/strong\u003e Aluminium or steel, lightweight for smooth operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"yvz4hv\" data-start=\"790\" data-end=\"875\"\u003e\n\u003cp data-start=\"792\" data-end=\"875\"\u003e\u003cstrong data-start=\"792\" data-end=\"810\"\u003eHinges\/Shafts:\u003c\/strong\u003e Stainless steel or zinc-plated steel for long-lasting movement\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"mt2mlm\" data-start=\"876\" data-end=\"940\"\u003e\n\u003cp data-start=\"878\" data-end=\"940\"\u003e\u003cstrong data-start=\"878\" data-end=\"899\"\u003eSeals (optional):\u003c\/strong\u003e Rubber or silicone to minimise leakage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"942\" data-end=\"963\"\u003e\u003cstrong data-start=\"942\" data-end=\"961\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"964\" data-end=\"1621\"\u003e\n\u003cli data-section-id=\"30ak50\" data-start=\"964\" data-end=\"1034\"\u003e\n\u003cp data-start=\"966\" data-end=\"1034\"\u003e\u003cstrong data-start=\"966\" data-end=\"975\"\u003eType:\u003c\/strong\u003e Gravity-operated or spring-assisted back-draught shutter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"wjkt2d\" data-start=\"1035\" data-end=\"1119\"\u003e\n\u003cp data-start=\"1037\" data-end=\"1119\"\u003e\u003cstrong data-start=\"1037\" data-end=\"1047\"\u003eSizes:\u003c\/strong\u003e Available in circular and rectangular ducts, custom sizes as required\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"z8hr8d\" data-start=\"1120\" data-end=\"1193\"\u003e\n\u003cp data-start=\"1122\" data-end=\"1193\"\u003e\u003cstrong data-start=\"1122\" data-end=\"1142\"\u003ePressure Rating:\u003c\/strong\u003e Suitable for low to medium pressure duct systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"hxftg\" data-start=\"1194\" data-end=\"1260\"\u003e\n\u003cp data-start=\"1196\" data-end=\"1260\"\u003e\u003cstrong data-start=\"1196\" data-end=\"1209\"\u003eMounting:\u003c\/strong\u003e Inline duct installation, wall, or roof openings\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"c2dqz8\" data-start=\"1261\" data-end=\"1358\"\u003e\n\u003cp data-start=\"1263\" data-end=\"1358\"\u003e\u003cstrong data-start=\"1263\" data-end=\"1283\"\u003eBlade Operation:\u003c\/strong\u003e Opens under positive airflow and closes automatically under reverse flow\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1g654g\" data-start=\"1359\" data-end=\"1444\"\u003e\n\u003cp data-start=\"1361\" data-end=\"1444\"\u003e\u003cstrong data-start=\"1361\" data-end=\"1372\"\u003eFinish:\u003c\/strong\u003e Galvanised steel standard; 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By adjusting the damper blade position, it helps balance air distribution across multiple zones, ensuring optimal comfort and system efficiency. Balancing dampers are widely used in commercial, industrial, and residential ventilation systems to fine-tune airflow and maintain desired environmental conditions.\u003c\/p\u003e\n\u003cp data-start=\"620\" data-end=\"635\"\u003e\u003cstrong data-start=\"620\" data-end=\"633\"\u003eMaterial:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"636\" data-end=\"1009\"\u003e\n\u003cli data-section-id=\"1g19ys\" data-start=\"636\" data-end=\"727\"\u003e\n\u003cp data-start=\"638\" data-end=\"727\"\u003e\u003cstrong data-start=\"638\" data-end=\"649\"\u003eCasing:\u003c\/strong\u003e Galvanised steel or stainless steel for durability and corrosion resistance\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"iah5ic\" data-start=\"728\" data-end=\"830\"\u003e\n\u003cp data-start=\"730\" data-end=\"830\"\u003e\u003cstrong data-start=\"730\" data-end=\"740\"\u003eBlade:\u003c\/strong\u003e Aluminium or steel, sometimes with rubber or silicone edge seals to prevent air leakage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1qjkz89\" data-start=\"831\" data-end=\"914\"\u003e\n\u003cp data-start=\"833\" data-end=\"914\"\u003e\u003cstrong data-start=\"833\" data-end=\"854\"\u003eShaft \u0026amp; Bearings:\u003c\/strong\u003e Stainless steel or zinc-plated steel for smooth operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1ervl4e\" data-start=\"915\" data-end=\"1009\"\u003e\n\u003cp data-start=\"917\" data-end=\"1009\"\u003e\u003cstrong data-start=\"917\" data-end=\"939\"\u003eHandle \/ Actuator:\u003c\/strong\u003e Manual lever, gear, or compatible with electric\/pneumatic actuators\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1011\" data-end=\"1032\"\u003e\u003cstrong data-start=\"1011\" data-end=\"1030\"\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1033\" data-end=\"1716\"\u003e\n\u003cli data-section-id=\"qmjipd\" data-start=\"1033\" data-end=\"1083\"\u003e\n\u003cp data-start=\"1035\" data-end=\"1083\"\u003e\u003cstrong data-start=\"1035\" data-end=\"1044\"\u003eType:\u003c\/strong\u003e Manual or motorised balancing damper\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"5zdvii\" data-start=\"1084\" data-end=\"1153\"\u003e\n\u003cp data-start=\"1086\" data-end=\"1153\"\u003e\u003cstrong data-start=\"1086\" data-end=\"1099\"\u003eMounting:\u003c\/strong\u003e Inline duct mounting, circular or rectangular ducts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"8fcstd\" data-start=\"1154\" data-end=\"1221\"\u003e\n\u003cp data-start=\"1156\" data-end=\"1221\"\u003e\u003cstrong data-start=\"1156\" data-end=\"1176\"\u003eAirflow Control:\u003c\/strong\u003e Adjustable from fully open to fully closed\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"69sgrp\" data-start=\"1222\" data-end=\"1334\"\u003e\n\u003cp data-start=\"1224\" data-end=\"1334\"\u003e\u003cstrong data-start=\"1224\" data-end=\"1234\"\u003eSizes:\u003c\/strong\u003e Available in multiple sizes (e.g., 100 mm – 1000 mm diameter for round, custom rectangular sizes)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"utn0m2\" data-start=\"1335\" data-end=\"1450\"\u003e\n\u003cp data-start=\"1337\" data-end=\"1450\"\u003e\u003cstrong data-start=\"1337\" data-end=\"1357\"\u003ePressure Rating:\u003c\/strong\u003e Typically suitable for low to medium pressure duct systems (0–500 Pa, depending on design)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1g654g\" data-start=\"1451\" data-end=\"1536\"\u003e\n\u003cp data-start=\"1453\" data-end=\"1536\"\u003e\u003cstrong data-start=\"1453\" data-end=\"1464\"\u003eFinish:\u003c\/strong\u003e Galvanised steel standard; 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Manufactured from durable galvanised steel, it provides corrosion resistance and long-lasting performance. The sliding gate mechanism allows quick manual adjustment of airflow through individual duct branches, making it ideal for dust extraction, HVAC, and industrial ventilation systems.\u003c\/p\u003e\n\u003cp data-start=\"502\" data-end=\"620\"\u003e\u003cstrong data-start=\"502\" data-end=\"515\"\u003eMaterial:\u003c\/strong\u003e\u003cbr data-start=\"515\" data-end=\"518\"\u003e• High-quality galvanised steel\u003cbr data-start=\"549\" data-end=\"552\"\u003e• Corrosion-resistant finish\u003cbr data-start=\"580\" data-end=\"583\"\u003e• Durable sliding gate construction\u003c\/p\u003e\n\u003cp data-start=\"622\" data-end=\"825\"\u003e\u003cstrong data-start=\"622\" data-end=\"641\"\u003eSpecifications:\u003c\/strong\u003e\u003cbr data-start=\"641\" data-end=\"644\"\u003e• Type: Blast gate (BG) damper\u003cbr data-start=\"674\" data-end=\"677\"\u003e• Manual sliding gate for airflow control\u003cbr data-start=\"718\" data-end=\"721\"\u003e• Compatible with standard round duct systems\u003cbr data-start=\"766\" data-end=\"769\" data-is-only-node=\"\"\u003e• Designed for ventilation and extraction applications\u003c\/p\u003e","brand":"Direct Duct Supplies","offers":[{"title":"80mm","offer_id":57219772350789,"sku":null,"price":22.0,"currency_code":"GBP","in_stock":true},{"title":"100mm","offer_id":57219772383557,"sku":null,"price":26.5,"currency_code":"GBP","in_stock":true},{"title":"125mm","offer_id":57219772416325,"sku":null,"price":34.0,"currency_code":"GBP","in_stock":true},{"title":"150mm","offer_id":57219772449093,"sku":null,"price":39.0,"currency_code":"GBP","in_stock":true},{"title":"180mm","offer_id":57219772481861,"sku":null,"price":61.0,"currency_code":"GBP","in_stock":true},{"title":"200mm","offer_id":57219772514629,"sku":null,"price":72.5,"currency_code":"GBP","in_stock":true},{"title":"224mm","offer_id":57219772547397,"sku":null,"price":85.5,"currency_code":"GBP","in_stock":true},{"title":"250mm","offer_id":57219772580165,"sku":null,"price":103.0,"currency_code":"GBP","in_stock":true},{"title":"280mm","offer_id":57219772612933,"sku":null,"price":121.5,"currency_code":"GBP","in_stock":true},{"title":"300mm","offer_id":57219772645701,"sku":null,"price":137.0,"currency_code":"GBP","in_stock":true},{"title":"315mm","offer_id":57219772678469,"sku":null,"price":265.5,"currency_code":"GBP","in_stock":true},{"title":"350mm","offer_id":57219772711237,"sku":null,"price":299.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/blastgatedampers.jpg?v=1771760392"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/collections\/5_e6e31c87-6a12-41da-a80a-e3913f290c26.png?v=1780947396","url":"https:\/\/ddsgroup.co.uk\/collections\/fire-protection.oembed","provider":"DDS GROUP","version":"1.0","type":"link"}