hydraulic auto close door hinge closer M-1-A

A+B door closer A:Torsion spring hinge(close/adjust closing speed) B:Friction hinge

1.Door closer technical specifications            1.Nice and delicate body.             2.Use antifreeze hydraulic oil,the hinge can work smoothly even under environment of -40°.            3.Leakage proof structure avoid the oil leakage or damage caused by the sudden closing under strong wind or other strong force.            4.Perfect matching between valve and gear.Keep operation in quiet.                  5.Adjustable closing speed.   

6.Many nice colors available( plastic  spraying)

2.Dimension

3.Adjustment of closing speed by twist and fix the hole position on A hinge to get different spring torsion

The tool is included in the pack.

4.Suitable for doors

Door Weight:<50 KGDoor Height:1000-2500 mm                                              

Door Width:700-1200 mm Door Thickness:>40 mmMax.Opening Angle:120°

hydraulic auto close door hinge closer M-1-A