Features:
1. The door frame is made of cold-rolled galvanized steel, and designed with U-shape concave and convex grooves molded by special rolling machine.
2. When the door need not to be opened completely, part of door opening is available to reduce the open & close time with less heat loss.
3. The top of the door is well sealed by high density double-layer brush and the door frame and each door panel are sealed with EPDM.
4. The bottom water deflector is made of 2mm thick aluminum alloy guide slots with 3 small angle of waterproof slope.
5. The thickness of door panel is 57mm or 77mm. For 77mm panel, the appropriate door height is 8000mm with maximum height of a single door panel is 13000mm
Configuration:
Accessory name | Material |
Panel | 0.8mm thick color coated plate, door panel thickness 57mm, filled with polyurethane foam |
2+2 Folding door frame | Steel frame size is 50*80*2.3mm rectangular tube |
Hinge | Folding special cast iron hinge |
Link screw | Galvanized anti-theft screw |
Hanging wheel | PA66 |
Hanger | Q235 |
Hanging wheel track | Cold rolled steel |
Upper slide hanger | Cold rolled steel |
Sealed between fans | EPDM |
Transparent window | EPDM |
Heaven and earth latch manual lock | Galvanized steel sheet and aluminum alloy |
Backup wheel above door frame | Galvanized steel plate and rubber material |
Embedded sliding nut | Galvanized |
Motor | Folding door extension arm motor |
Curved arm motor |
Style Show:

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