Material of main parts of vacuum ball valve: valve body, valve cover; valve stem: stainless steel, Sealing: PTFE, nitrile rubber, fluorine rubber, PPL.
Scope of application:105-1.3×10-2pa Valve leakage rate <1.3×10-2pa.L/s Temperature -30±150℃℃ Vacuum leak detection <1pa vacuum value, using precision technology, smooth valve handle, and good valve flatness.
Application: Vacuum valves are used in vacuum, dairy products, wine, bioengineering, food, pharmaceuticals, beverages, cosmetics and chemical industries.
Vacuum ball valves are commonly used for process control or abatement control on vacuum pump.