Electric Butterfly Valve Actuator 1.CE,ISO9001~2000 certification. 2.OEM service offered ... control ,passive contact control,position signal control,opens degree signal,Modulating control*T/T, L/C, Western Union*high quality,low ... /60SRotary angle 0~90°Weight 7kg 7.8kgVoltage-with standing valve 500VAC/1minute1500VAC/1minuteInsulated resistance 100 MΩ/300VDC 100 MΩ/500VDCProtection ...