The max width of door is 600-900mm, suitable for the door weight of 45-55kg.
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 it from Oxygenation.
Double speed door closer with single hydraulic pressure valve to adjust second speed for latching.
First speed is inbuilt and fixed. Very easy to operate.
The high-carbon steel axis and rack improves smooth running and protects from oil leakage.
Hole distance: 150 x 20mm.
Universal operation.
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