... flap valve to run for 90 ° rotation, the use of products such as butterfly valves, ball valves, plug valves, damper, etc.. This product ... , 110V, 380V, 415V, 660V, 50Hz, 60Hz, etc. Ambient temperature: -20 to +60 ° C (special orders -30 ~~ +80 ° C) (3) the ... have some enquiry or interests about us,please be free to contact meAlibaba No:cn1001030839Mr.Tony Electric Actuator(Switch/Adjsut Type)