... Cartridge Valves integrated systems, reliable action, long service life, small hydraulic impact, reducing the connection piping and leakage points; ... be used. Equipped with a pressure gauge stent in the lower part of Level Gauge, used to observe the liquid ... 380V/3P/50HZInstallation Area: CleanAltitude: under 1000mmCooling water temperature no higher than 25°C6,Installation, test, acceptance and after ...