Function & Advantages
1. Use aluminum alloy precision die-cast body for excellent quality and worry-free application.
2. Use advanced and durable gasket, with oil leak rate lower than 1/1000.
3. Perfect matching between transmitted piston and gear, with special high intension material to ensure closer to work durable. Quite and high efficient.
4. Quality carbon steel is used poston structure.
5. To allow stable transmission & quiet can be installed on left/right hand door, without adjustment.
6. With two independent adjustable valves, which can be adjusted closing range at 120o-15oand 15o-0o.
7.Suitable for the door width 800*2000mm,Suitable for the door bearing 30-55KG.