Detailed Product Description

2.Heat resistance coefficient R=14.96,18.25

3.Surface: The door plate has got PES treatment. White, brown and almond colors are available. Other colors to be special order.

4.Track: Two kinds of tracks, I. E .two-inch (51mm) and three-inch (76cm) are available. A;; pf the, adopt 1.53mm thickness heat zinc-plated steel plate for the manufacture.

It has the standard tracks, low tracks, high lift tracks, vertical lift tracks, tilted yard lift tracks.

5.Balancing system: It is externally collocated with the torsion spring system. It reaches to 50,000100,000 operating cycles to the torsion spring service life.

6.Sealing : bottom U type echinoid resin stamping steel ribbon , freezing and moisture resistant , anti-water-permeation, side ; top and slotted draught excluder strip sealing, the connection between the door plates are attached with convex and concave grooves, heat isolation pipes or the sealing strips.

7.Small passageway door: It can choose the multiple sizes of the small passageway doors according to the requirements when the door width is less than 5500mm.

Small observation window: It cans those multiple observation windows according go the requirements.

8.Door wind-resistant load: 180kg/m

9.Flame-retardant experiment fulfillment level: A