1.Door closer technical specification
A+A type
Two smart hinges,each integrate functions of closing/damping/adjust closing speed/hold-open device between 85°-180°.
>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<60 KGMax.Opening Angle:180°
4.Adjust the closing speed
smart hydraulic door closer hinge M-3-B