鋼質防火門的結構特點：鋼質防火門是由門框、門扇通過合頁連接形成的，門上應配置閉門器、防火鎖，雙扇門還應加裝暗插銷（裝在固定扇一側）和順位器，以防門扇中縫的搭疊。如門有上亮，門扇需加裝玻璃，應加裝具有與門同等防火極限的防火玻璃。由于鋼板幅面尺寸的約束，單扇門板在門面無接縫的情況下，門寬可制作尺寸為≤1200mm。甲乙丙級防火門內部填充隔熱系數不同的不燃材料加工而成，甲乙丙級門厚度均小于45mm。門框結構有單雙止口的兩種斷面。異型大斷面主要是為框包墻結構設計的。具有高隔音、氣密性要求的防火門多采用四面框（下檻帶止口并加設密封槽，槽內加裝氯丁橡膠條。我廠提供的防火門是可通過消防驗收，可提供一切證明。
類型：防火門
開啟方式：推拉
材料：鐵板
材質：鋼質噴涂
**等級：A/B級
門框尺寸：可根據客戶要求訂做
1．尺寸規格可根據客戶要求訂做。
2．材料可根據客戶實用情況選取。
Steel fire resistant door
Structure characteristics：with the door frame, door leaf connected by a hinge formed，Shall be equipped with door closer and fireproof lock，
Frame
The frames are made of quality cold-rolled steel sheet or galvanized steel sheet with thickness of 1.2mm or 1.5mm.Inside the frame flanges are enchased fire protection strips which have the function of smoke insulation. The horizontal and vertical frames can be joined with a right angle or 45°angle.
Door Leaf
The door leaves are made of quality cold-rolled steel sheet or galvanized steel sheet with thickness of 0.8mm or 1.0mm. There are no welding points on the door leaf surface by advanced technology. Environment-friendly fire proof materials and adhesive with high fire rating used inside.
Finishes
Static powder coating (RAL color) and PVC laminated steel.
Hardware
Manifold solutions which meet European and American hardware standards, various for options for different demand.
Standards
China GB12955-2008 “Fire Doors”
Fire Rating: Grade A 1.5h. Grade B 1.0h. Grade C 0.5h
Britain BS476-part22
Fire Rating: 60min. 90min. 120min
Russia ROCT30247.0-94
Fire Rating: 60min
Application Sites
Commercail, Residential and Industrial Constructions
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