1.Passed the test of industrial standard JG/T 268
2.Passed the test of EN1154 standard of door closing detection
3.It can be used on both left and right side door
4.Only for single-open, and suit for wooden door, metal door and frame door etc.
5.Delayed door closing function: When the door opening angle is greater than 65°, the door will delay its closing time to 65° to restore normal speed.
6.Door opening buffer function: When the door is opened to 65°, the door opening will have obvious resistance.
7.Torque adjustment function: to achieve different door width and door weight requirements by adjusting the number of turns of the torque speed control.
8.Adjustable torque: the opening force can be adjusted according to the size and weight of the door
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