... Plunger Chemical Metering Pumps Flow: 0-300 lph, Pressure: 0-500 Bar Power:370W,550W,220V/380V/400V/110V, 50/60Hz Plunger ... Weight: 43kgs MaterialPartMaterialPump headSUS304, SUS316, SUS304 + ceramics plunger, PVC + ceramics plungerDiaphragmPTFEValveSUS304,SUS316,PVC,PTFEValve ballCeramic,ZrO2, ... Silicon Dioxide Technical Parameter ModelFlow(lph)Pressure(Bar)Plunger(mm)Strok(mm)Frequency(min-1)Power(kw ...