... single-phase AC.-Pressure of system ≤1.0MPa.-Pressure of water inlet ≥0.1Mpa.-Transmitted liquid should not include solid ... pump researched and developed by scientific research personnel of our company has following merits:no leakage ,low noise, enviromental protection, ... villa of suburb, house, to match industrial equipment .to supply water in cycle for cool air-condition, boiler and solar energy ...