※Suitable for two-way opening doors, with a 90-degree automatic positioning device, and a maximum opening of 120 degrees in one direction. Non-positioning devices can be made according to requirements.
※The vertical line of the door can be adjusted in the body, the length is 6mm, the width is 6mm, and the soil can be adjusted 2 degrees vertically when calibrating the zero position.
※Double-stage closing control valve, respectively adjust the closing speed of 90”-25° and 25° -0*.
※The constant temperature device can also maintain a stable door closing speed under a large temperature difference.
※Built-in pressure reducing device prevents damage to the door or floor spring caused by closing the door under strong external pressure or strong wind.
※Experimental tests have been opened over 400,000 times.