Chem-Tech Series 250 Metering Pump 7.7 - 76.8 GPD (gallons per day), 0.32 - 3.2 GPH (gallons per hour), 0.68 - 6.8 ounces per minute 29.1 - 290.7 LPD (liters per day), 1.21 - 12.11 LPH (liters per hour), 20.1 - 201.9 milliliters per minute Output rated at 225 PSI (15.5 BAR) maximum pressure, viscosities up to 300 centipoise. Adjustable stoke length control, 10:1 flow rate turn down ratio. Motor: 230VAC, 50/60 Hz, TEFC Liquid End: PVC Head & Fittings, Teflon Diaphragm & Valve Seats, Ceramic Check Balls. Connections: Tubing 7/16" OD Clear PVC (Suction), 3/8" OD Translucent PE (Bleed/Return), 1/2" OD Translucent Impolene (Discharge). Includes: a weighted foot valve/strainer assembly, a bleed valve assembly, an injection fitting/back pressure check valve assembly, 4' suction tubing, 4' bleed/return tubing, 8' discharge tubing and Owners Manual. |