Torsional spring break proof device industrial sectional door with track design

Torsional spring break proof device industrial sectional door with track design

Products:

1.track uses the high strength harden oxidation resistance industry aluminum alloy guide rail, the surface after oxidized frosting processing.

2The door uses the cold rolling steel plate structure, after rust prevention processing, the semblance after 250° high tepid stove powder spray coating processing.

3.there are variety of standard colour options ,such as yellow,white,blue,reon speed reducerd ,intermediate can add a transparent
window.

4.special motor integration speed reducer 380V,50HZ.

Features:

1) Thickness: 40mm or 50mm.

2) Door plank is color steel, galvanized iron and PU. The function of insulating is nice. The coefficient of heat insulation r=16.04 r=20.15.

3) The U tube rubber of the sealing of the top and side facer endures the cool. Good in closing and can suitable the ground that is not smooth,prevent the wind and rain.

4) All the metal tightening part is made of zinc-paling steel plank, high intensity. Antirust twisted spring can be used for more than 100,000 times.

5) Advanced infrared ray protection device and safety protection device.