1.Door closer technical specification

A+B type

A smart hinge integrate functions of closing/damping/adjust closing speed/hold-open device between 85°-180°.

B normal hinge

>Nice and delicate body

>Use antifreeze hydraulic oil,the hinge can work smoothly even under environment of -40°.

>Leakage proof structure avoid the oil leakage or damage caused by the sudden closing under strong wind or other strong force.

>Perfect matching between valve and gear.Keep operation in quiet.

>Hold-open and Adjustable closing speed functions.

>Different finishes available.

2.Dimension of the hinge

3.Suitable for door

Door Weight<35 KGMax.Opening Angle:180°

4.Adjust the closing speed

smart hydraulic door closer hinge M-3-A