HSD-8400 Floor Ring

HSD-8400

Maximum single-action open angle is 116°, with 90°auto-orientation fitting.  Unorientation can be made according to clients' demand.

The perpendicular and the height of the door can be adjustable by 6 mm. ±3 degree adjustment is possible in zero position aligning.

Whole hydraulic pressure in door, two section speed control of closing door. The regulating position is 90°-25° and 25°-0°.

Constant temperature set assures steady speed of closing under big difference in temperature.

Built-in decompressing valve can prevent door from damage in case of extreme exterior pressure or strong wind.

Passed 500,000 opening times' test.