... pressures scope: 0-10kg/cm2 Maximum pressure-resisting: 16kgs/ cm2 Fluid available: Air, gas, oil, coal gas, liquid gas. Viscosity of ... the fluid: Below 20 CST. Operating temperature: -580 Voltage variation allowed: ±10 ... valve is the same as the flowing direction of the fluid through the pipe. b. When you practically use the valve ...