Progressive Cavity Pump Min RPM 150 Max RPM 1750 Required HP @ Lower RPM 3/64 Required HP @ Higher RPM 1-1/4 Max Viscosity 20 000 cPs Particle Size 9.5mm Min Pressure (PSI) 0 Max Pressure (PSI) 50 Flow Rate @ Min RPM and 0 PSI 2.139 gpm Flow Rate @ Max RPM and 0 PSI 24.0 gpm Min Fluid Temp 10 Degrees F Max Fluid Temp 180 Degrees F Inlet/Outlet (In.) 1-1/2 NPT 1-1/4 NPT Seal Type Mechanical Carbon Ceramic Nitrile Seal Material Cast Iron Housing Material