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Suitable to unidirectional unlocking door with the width 900mm-1200mm of door leaf and max. weight 45-754kg of door leaf.
Fine oil seal to prevent leakage of oil.
Quality casting aluminum alloy body protected by quality vanish.
Two hydraulic valves control two closing speed independently and hydraulically.
The speed -adjustable closing section is 1800-200 and the force-adjustable locking section 200-00
Max opening angle for two -speed adjustment is 1800
With locking function (Position at 900 and non-positioning at 1800 )
Normal color : Golden , silver , bronze or any color required