Floor spring
Maximum single-action open angle is 116° , with 90° Auto-orientation fitting. Unorientation can be made according to clients' demand.
The perpendicular and height of the door can be adjustable by 6mm. ± 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 of closing under big difference in temperature.
Built-in reductor can prevent door from damage in case of extreme exterior pressure or strong wind.
Passed 500, 000 times' opening times' test.
Audited Supplier 
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