... sealed performance, low Leakage. 3.Easy to implement remote control. Two Way Pneumatic Water Flow Control Valve Main Technical Parameters DN(mm ... Valve position transmitter,Emergency action equipments,hand wheel and so on.Air connection Rc 1/4",G1/4",G3/8", ... DIN Note:working pressure,work temperature,Nominal diameter, and so on. Can changed according to your requirements.Materials for main partslValve ...