... life, 2 low noise, no leakage, enviroment protection, 3 passed CE, ISO9000. 1.Working conditions:Rated voltage of power supply is ... single-phase AC.-Pressure of system ≤1.0MPa.-Pressure of water inlet ≥0.1Mpa.-Transmitted liquid should not include solid impurity ... match industrial equipment .to supply water in cycle for cool air-condition, boiler and solar energy, supply hot water and keep warm in cycle ...