... wiring,5Vdc,12Vdc, ac/dc12V, ac/dc 24V, ac/dc 110-220V Features: Motor driving, reliable movement Opening is 1s, closing ... Instrument-control equpiment Close automaticlly when power off Suitable for occasion with low pressure, but big flowTechnical parameters: ... +GF Stem: plasticmini motorized valve, actuated valve, motor operated valve, motor actuated valve, automatic valve, control valve, shut off ...