Fire proof and water proof vertical lifting overhead doors different lifting

Products:

Optional control system:Many access control systems are optional.

Low noise:Specially designed noise-reduction track rail produces less noise, ensures the rollers to run smoothly.

Various modes:Different triggering modes are available.

Durable and Expeditious:Advanced brushless DC motor and the geared worm are integrated together, which has advantages such as higher efficiency, larger torque and longer life span, no need for mechanical lock.

Advanced level:The technology and materials used during design and manufacturing of the automatism are at the top of its category.

Safe:Automatic Safety Protective Device: automatically rising up when being blocked.

Certificate:CE & ISO & Appearance and utility patents.

Features:

The sealing strips around the door panel can seal the gap between the opening and the panel completely when the door glazing drops down;

The door panel could be added with ellipsoidal or rectangular glazing to increase transparency;

The door track is formed by a galvanized steel coil provided by Baosteel in a one-time process without welding. It's durable and reliable;

A variety of lifting methods could match the interior structure of your production hall or warehouse.  Avoids interference with the pipings and tracks above the openings.

Water sealing meets GB/T 7106-2008, Grade 1;

Air Sealing meets GB/T 7106-2008, Grade 7;

There is a manual-electric exchange device on the door opener, when the electricity is cut off, the manual device will be turned on. The airbag in the bottom will be bounced off when it hit a barrier. It is insurance. Light window, door in door, controller are all can be added is the sectional overhead door. There is an interlock between the two doors (door in door), when the small door open, the switch will be cut off and the control power will also be cut off. And the big door can’t move any more to ensure the security.