... 0-15 lphPressure: 0-10BarPower:28W, 220V, 50/60Hz,Drive System: two phase motorProtection Degree: IP55Flow Control: Manual ... the normal frequency(at running or stop)2.Drive by electromagnetism,simple design,the speed of stroke ... is adjustable.3.Easy to install, the pump is together with foot valve, injection valve and ... industry, and etc.Measurements JLM Solenoid Diaphragm Metering Pump