{"product_id":"nca-series-400-fire-damper","title":"NCA SERIES 400 FIRE DAMPER","description":"\u003cp data-start=\"178\" data-end=\"630\"\u003eThe \u003cstrong data-start=\"201\" data-end=\"231\"\u003eNCA Series 400 Fire Damper\u003c\/strong\u003e is a critical safety device for HVAC duct systems, designed to prevent the spread of fire and smoke through ductwork. It automatically closes when exposed to high temperatures, maintaining compartmentation and protecting building occupants and property. Commonly used in commercial, industrial, and residential buildings, the NCA 400 ensures compliance with fire safety regulations and standards.\u003c\/p\u003e\n\u003cp data-start=\"632\" data-end=\"647\"\u003e\u003cstrong data-start=\"632\" data-end=\"645\"\u003eMaterial:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"648\" data-end=\"937\"\u003e\n\u003cli data-section-id=\"14y50nq\" data-start=\"648\" data-end=\"720\"\u003e\n\u003cp data-start=\"650\" data-end=\"720\"\u003e\u003cstrong data-start=\"650\" data-end=\"661\"\u003eCasing:\u003c\/strong\u003e Galvanised steel or stainless steel, corrosion-resistant\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1h5bbt8\" data-start=\"721\" data-end=\"786\"\u003e\n\u003cp data-start=\"723\" data-end=\"786\"\u003e\u003cstrong data-start=\"723\" data-end=\"734\"\u003eBlades:\u003c\/strong\u003e Steel with intumescent or fusible link activation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"2z0x1j\" data-start=\"787\" data-end=\"862\"\u003e\n\u003cp data-start=\"789\" data-end=\"862\"\u003e\u003cstrong data-start=\"789\" data-end=\"810\"\u003eShaft \u0026amp; Bearings:\u003c\/strong\u003e Stainless steel for smooth and reliable operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"16uuvyu\" data-start=\"863\" data-end=\"937\"\u003e\n\u003cp data-start=\"865\" data-end=\"937\"\u003e\u003cstrong data-start=\"865\" data-end=\"875\"\u003eSeals:\u003c\/strong\u003e High-temperature intumescent seals to prevent smoke leakage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"939\" data-end=\"971\"\u003e\u003cstrong data-start=\"939\" data-end=\"969\"\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003col data-start=\"972\" data-end=\"1394\"\u003e\n\u003cli data-section-id=\"w28fh9\" data-start=\"972\" data-end=\"1045\"\u003e\n\u003cp data-start=\"975\" data-end=\"1045\"\u003e\u003cstrong data-start=\"975\" data-end=\"984\"\u003eType:\u003c\/strong\u003e NCA Series 400 Fire Damper, suitable for rectangular ducts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1xgjanc\" data-start=\"1046\" data-end=\"1153\"\u003e\n\u003cp data-start=\"1049\" data-end=\"1153\"\u003e\u003cstrong data-start=\"1049\" data-end=\"1063\"\u003eOperation:\u003c\/strong\u003e Fusible link or electric actuator activation at high temperature (typically 72°C–165°C)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1tsri1\" data-start=\"1154\" data-end=\"1238\"\u003e\n\u003cp data-start=\"1157\" data-end=\"1238\"\u003e\u003cstrong data-start=\"1157\" data-end=\"1172\"\u003eSize Range:\u003c\/strong\u003e Customisable to duct dimensions (common sizes 150 mm – 1000 mm)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1cgjxt7\" data-start=\"1239\" data-end=\"1325\"\u003e\n\u003cp data-start=\"1242\" data-end=\"1325\"\u003e\u003cstrong data-start=\"1242\" data-end=\"1257\"\u003eCompliance:\u003c\/strong\u003e Meets relevant fire safety standards (EN 1366-2, BS 476 Part 6\/7)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1m1zttl\" data-start=\"1326\" data-end=\"1394\"\u003e\n\u003cp data-start=\"1329\" data-end=\"1394\"\u003e\u003cstrong data-start=\"1329\" data-end=\"1340\"\u003eFinish:\u003c\/strong\u003e Galvanised steel standard; stainless steel optional\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Direct Duct Supplies","offers":[{"title":"100 DIA","offer_id":57219751674181,"sku":null,"price":58.53,"currency_code":"GBP","in_stock":true},{"title":"125 DIA","offer_id":57219751706949,"sku":null,"price":60.67,"currency_code":"GBP","in_stock":true},{"title":"150 DIA","offer_id":57219751739717,"sku":null,"price":65.37,"currency_code":"GBP","in_stock":true},{"title":"200 DIA","offer_id":57219751772485,"sku":null,"price":75.03,"currency_code":"GBP","in_stock":true},{"title":"250 DIA","offer_id":57219751805253,"sku":null,"price":83.93,"currency_code":"GBP","in_stock":true},{"title":"300 DIA","offer_id":57219751838021,"sku":null,"price":94.6,"currency_code":"GBP","in_stock":true},{"title":"315 DIA","offer_id":57219751870789,"sku":null,"price":100.67,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1037\/5168\/0325\/files\/S400_NCA_FIRE_DAMPER.png?v=1771760338","url":"https:\/\/directductsupplies.com\/products\/nca-series-400-fire-damper","provider":"Direct Duct Supplies","version":"1.0","type":"link"}