... low Leakage. 3.Easy to implement remote control. Two Way Pneumatic Water Flow Control Valve Main Technical Parameters DN( ... actuatorsAvailable Accessories solenoid valve,air filter,lock up valve,switch,Valve position transmitter,Emergency action equipments,hand wheel ... 304,304L,316,316L,corrosion-resisting alloy…lTight seal surface materials:hard chromium plating,surfacingNI60,Hard alloy spray welding ...