Key Features :
- Latching speed valve adjustable angle range is 0~15°
- Closing speed valve adjustable angle range is 15°~180°
- It is recommended that the door closing speed be slightly faster from 180° to 15°, and slow down from 15° to 0°, subject to the door fully closed. To prevent the door from closing too fast and causing the door leaf to collide with the door frame
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