Electric water valve 1.Size: 1/2'' to 1 inches 2. Material: S(304),brass,UPVC 3. Vltage:DC3-6V,9-24V,AC9-24V ... Circumstantce Pnematic valve can not worked HVACTechnical paremeters: Size: 1/2'' to 1 inches Material: stainless stell(304,316),brass,UPVC ... -6V,9-24V Torque:2NM Open/close time: 3-10 sec Wire: 2,3,5 Max working pressure:1.0MPa Actuator rotation:90 ...