Supply fireproof rolling shutter doors, fireproof rolling shutters, steel fireproof rolling shutters

Our company supplies fast doors, fast rolling doors, fast rolling doors, high-speed doors, high-speed rolling doors, high-speed rolling doors, soft doors, industrial doors, rolling shutter doors, Shanghai fast rolling doors, European doors, Shanghai fast rolling doors, fire-proof rolling doors, rolling doors, Fireproof rolling shutter door, Shanghai fast door, Shanghai high-speed rolling door, Shanghai high-speed rolling door, Shanghai high-speed door, anti-static door curtain, various anti-static films, door curtains, transparent door curtains, folding door curtains, insect-proof door curtains, protective light panels, anti-UV films, anti-static doors The key to arc plate and transparent plate composite steel fire-proof and smoke-proof rolling shutters is that the curtain plates adopt special mechanical equipment. The main curtain plate and the auxiliary curtain plate are extruded at one time, with smooth surface, no welding and high strength. The middle is filled with non-combustible heat-insulating fire materials, which greatly reduces the radiated heat on the back fire surface. It has long fire resistance and superior performance. It can also eliminate the need for a water curtain protection system and can meet the breaking effect of various fire protection zones. It can be lifted vertically. The composite steel fire-proof rolling shutter is equipped with manual and electric opening and closing devices, which can realize automatic and linkage control with the fire protection center. The product has been tested and its fire resistance time is more than 1 hour. After appraisal by expert engineering and technical personnel and full performance testing, it is believed that the performance and quality of the product have reached or exceeded the level of similar products at home and abroad. Products are sold all over the country.
Technical performance
The fire protection performance is in accordance with the national standard "General Technical Conditions for Steel Fireproof Roller Shutters", class fire resistance limit classification, > Inspected by the National Fixed Fire Extinguishing System and Fire-Resistant Components Quality Supervision and Inspection Center, >
, Anti-smoke performance: The amount of smoke leakage from smoke-proof rolling shutters is no greater than 1.
, Wind pressure resistance The wind pressure resistance performance of various types of roller blinds is average/.