... 220V, 50/60Hz,Drive System: two phase motorProtection Degree: IP55Flow Control: Manual operationMaterialPump head: SUS304, SUS316, PVC, PTEFDiaphragm: PTFEValve ... .63.40-1806JLM10021020-1806JLM1202121.50-1806JLM15011510-1806Features1.Manual control the stroke frequency from 10-100%,LED display ... of stroke is adjustable.3.Easy to install, the pump is together with foot valve, injection valve and tubes ...