304 brushed stainless steel insulated fire door with complete certificates

型号：

标准

规格：

甲乙丙

颜色：

可选

' Structural features of stainless steel fire doors: Stainless steel fire doors are formed by door frames and door leaves connected through hinges. The door should be equipped with door closers and fire locks. The double doors should also be equipped with concealed latches (installed on the fixed leaf). side) and sequencer to prevent overlapping of the middle seams of the door leaves. If the door has an upper light, the door leaf needs to be installed with glass, and fire-resistant glass with the same fire protection limit as the door should be installed. Due to the constraints of the steel plate format size, the door width of a single door panel can be produced with a door width of 0.01 mm without joints on the door surface. Class A, B, and C fire doors are filled with non-combustible materials with different thermal insulation coefficients. The thickness of Class A, B, and C doors is less than 1. The door frame structure has two cross-sections, single and double seams. Special-shaped large sections are mainly designed for frame-wrapped wall structures. Fire doors with high sound insulation and air tightness requirements mostly use four-sided frames (the lower sill has a stop and a sealing groove, and neoprene strips are installed in the groove. The fire doors provided by our factory can pass the fire inspection and can be provided All proof.