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sectional door
Door panel:Adopts double color steel,intermediate filling are polyurenthane(density≥40kg/m3) with galvanized sheet and reinforcing rib, thickness :40mm. Spare parts: hardware for linking are hot galvanizing steel sheets and alumium alloy hinges,professional software design,accurate size and good exchangeability. Motor: Specialized motor for industrial door, big starting torque, low noise, small vibration,electromechanical integration, remote control and becautiful shape, small volume and light in weight, can manually open the door when cut power.safe and reliable Orbit:2mm thickness of zinc plating orbit, high strength stand rail Safety device:have break-proof device to prevent torsion spring and wire rope break,avoid the doorbody falling when the wire steel breaks. Balanced system: outlay torsion spring balanced system,10000~50000 times periodic duty Sealability:have ethenoid resin gland strip in the bottom,anti-freezing,dampproof,waterproof have well behaved gland strip both in top and bottom,adopt orbit adhesive tape seal the side. Safety system:1.fallproof device: prevent door body fall when the wire rope break 2.header protection: when the door body rise exceed the setting point,it will cut the power automatically to prevent door rise more.3.Safety edge. Opening ways:automatic Others:Light-taking window and pedestrian door can be arranged