This valve is used to exhaust the gas in the pipeline under medium pressurem medium temperature.it has single hole air valve , double hole air valve, quick air valve , multi-functional quick air valve and so on .
The country of origin of the cast iron gate valve with bronze disk is Liaoning, China (Mainland). The disk of the valve could be bronze , stainless steel , cast iron.The body could be cast iron , ductile cast iron , WCB.
This valve is vertically installed at the bottom of the pump to prevent the water flowing back and keep water level
This penstock is used to cut off the flow in the pipeline . The material is casting and the sealing could be rubber and copper.The country of origin is Liaonign China.
This valve is used to be as a closing device in the non-corrision saturated water vapour vacuum pipeline . The material is carbon steel and the disk sealing ring is EPDM,flurous rubber.The country of origin is Liaoning China.