... :ISO9001, CE, ROHSThread:G,PT,NPT,BSPPVoltage:AC & DCWorking MediumAir, Water, Oil, GasOperating PrinciplesDirect ActionTypeNormal Closed TypeOperation Fluid Viscosity≤20 CST ... /4”2W040-104.00.6G3/8”2W160-10164.8G3/8”Water:0~0.5Air:0~0.7Oil:0~0.5Gas:0 ...