... , reliable movement Opening is 1s, closing is instaneous Special plastic structure, resisting scale and corrosion Standard service life--30 thousands ... but big flowTechnical parameters: Size: 1/2 inch Material: PA66+GF Voltage: 5, 12, 24, 110 to 220V AC/DC ... main parts: Actuator: heat-resistant ABS Sealing: EPDM Body: PA66+GF Stem: plasticmini motorized valve, actuated valve, motor operated valve, ...