Product Description
Industrial Sliding Door for Factory, Galvanized Steel Surface, PU Foam HF-159
Product Description
Product Description
INDUSTRIAL SLIDING DOOR
Features:
*Heat preservation & sound insulation thanks to the excellent material and craftsmanship
*Suit all bigger and higher headroom doors of the building
*Peculiar chip type and blade type anti-dropping device
*Metal parts is made of 2.5mm hot-dip galvanized steel sheet, corrosion and rust resisted
*Available for pressure air bag switch at bottom as a safeguard against accidents and ensure door a safe operation
*The running speed is about 150mm/s
*Small door and window cutout is available to brighten the building
*The 50cm thickness of door panel is made of 0.5mm bi-layer color steel sheet filled with polyurethane foam, stable and long lifetime, excellent wind resistant function (the density of the polyurethane foam is 43kg/sqm)
*Optimum balanced system performance: The torsion spring is made of quality 602 silicomanganese, more than 3 million life cycles
Safety design of guide rail
The trolleys move precisely in the guide rail, and prevent the door from dropping when they turn into the horizontal guide rail.
*Breakage prevention device of torsion spring is for good security, and the door will stop immediately once the torsion spring broken
The rubber seal of air bag
*Equipped with safety air bag at the bottom of the door leaves, and the rubber strip under air bag has strong elasticity and not easy to be frozen or rotten which could properly prevent rain, dust into the work shop and make the door durable, excellent for sealing heat preservation
*Superior double hinges of galvanized steel material is suitable for a relatively wide door, and moreover ensure a steady moving
*Duplex bearing wheel guarantee noiseless, slight friction drag, and long lifetime
*Different clearance opening size adapted to different track