door closer hinge M-2-B

door closer A:Torsion spring hinge(close,adjust closing speed/90 degree hold-open) B:Friction hinge(Zinc alloy hydraulic system)

1.Door closer technical specification1.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.Hold-open and Adjustable closing speed functions.6.Different finishes available.

2.Dimension of the hinge

3.Suitable for door

Door Weight<50 KGDoor Height:1000-2500 mm                                              

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

4.Adjust the closing speed

6.Adjust the postioning of Hold-Open device.

door closer hinge M-2-B