5CP3120 – 5CP PLUNGER PUMP Home > Brands > CAT Pumps > Plunger Pumps > 5CP3120 – 5CP PLUNGER PUMP Posted on September 29, 2016October 17, 2016 by tugz Technical Specifications Max Flow: 4.5 Min Pressure: 100 Max Pressure: 3500 Inlet Port Size: 0.5 Discharge Port Size: 0.37 RPM: 1645 Drive Type(s): Belt Material: Brass (BB)