Vacuum class includes vacuum ball valve, vacuum flapper valve, vacuum inflation valve, pneumatic vacuum valve and so on. Its role is in the vacuum system, used to change the direction of the air flow, adjust the size of the gas flow, cut off or connected to the pipeline vacuum system components called vacuum valves.
Special purpose category
Special purpose classes include pigging valves, venting valves, blowdown valves, exhaust valves, filters and the like.
Exhaust valve piping system is an essential auxiliary components, widely used in boilers, air conditioners, oil and gas, water supply and drainage pipelines. Often installed at the commanding heights or elbows and other places, to exclude excess gas pipeline, pipelines to improve the efficiency and reduce energy consumption.
