When opening the door, the plunger inside will closing the door,
the plunger will descend. The shutting speed is adjusted by the return
speed of hydraulic oil.
When opening the door, the torsion spring will be strengthened;
when closing the door, the torsion stress will be released and the
shutting power is achieved.
When opening the
door, insert the inner stopper into its holder according to the door
angle (varied)
Scope
Door size: Tall 1.8m-2.5m X width 0.7,-1.2m X thickness 42-60mm
Door weight model : 45kg-85kg;or 120lbs - 190lbs
Easy and convenient to install and simple to adjust.
Specifications:
Shaft diameter: 23mm/0.9" ; hinge length 150mm/5.9" X extended width 100mm/3.94" X
thickness 3.5mm/0.137"
The materials are made of steel and stainless steel.
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