Size from 1/2" to 1" Technical Parameters: Working voltage: AC/DC 110V-220V; AC/DC 9V-22V Working current: 15mA Static current: 10mA Working pressure: 1.0Mpa Actuator rotation:90 degree Rotation direction: Double acting Enclosure: IP67 Input Power: Max 6W Material of main parts: Actuator: Heatproof ABS Sealing: PTFE , silicon rubber ball seat, EPDM and NBR stem seat, NBR o-rings Body: brass or stainless steel Ball: brass or stainless steel Stem: brass or stainless