... to 1",IP65, with differnt wiring,3-6Vdc,ac/dc9-24V,220V, 1.0Mpa CE,ISO approved.Technical parameters:Size: 1 ... /4 to 1 inchesVoltage: 3-6vDC,AC/DC9-24v,220VMaterial: stainless steel (304, 316), brassOpen/close time:3secWorking ... choose suitable wiring at following diagrams:Basic Information: Product/Service (We Sell): electric valve,motorized valve,electric water valve,mini electric valve ...