ALD8400 FLoor Spring


Maximum single-action open angle is 116°, with 90°auto-stop.  stop degree can be made according to client’s demand.

The perpendicular and the height of the door can be adjustable by 6mm.±3 degree 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° fast closing.

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

Built-in decompressing valve to prevent the damage from shutting in strong press and strong wind.

Passed 500,000 times’ opening-closing test



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