※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.
※Unique exterior structure makes installation adjustment (front, rear, left, right, high, low) easier and faster.
※The vertical line of [] can be adjusted on the body, the length is 6mm, the width is 6mm, and the height is 4mm. When the zero position is calibrated, it can be adjusted longitudinally by 2 degrees.
※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 300,000 times.