A Solenoid Metering Pump with Stroke Length adjustment for 10:1 turn down, in 115V or 230V configurations. Available with standard manually control for dosing from 6 GPD @ 80 PSI to 30 GPD @80 PSI. Available in PP or PVC materials and CSPE, Viton or TFE seals with Ceramic check balls; contact us for other material needs. Each pump is complete with bleed valve, tubing, foot valve and 1/2"NPT injector to complete any installation.