The max width of door is 900-1150mm, suitable for the door weight of 45-65kg.
The adjustable section of closing speed is 180°-20, the adjustable section of locking is 20°-0°.
Graded alloy aluminum body and the three layers of brightness painting will protect i from oxygenation.
Two hydraulic pressure valves control two sections of door closing separately, the speed of locking have been controlled by the whole section of hydraulic pressure.
The high-carbon steel axis and rack improves smooth running and protects from oil leakage.
Universal operation.
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