3CP1231 – 3CP PLUNGER PUMP Home > Brands > CAT Pumps > Plunger Pumps > 3CP1231 – 3CP PLUNGER PUMP Posted on September 29, 2016April 15, 2021 by tugz Technical Specifications Max Flow: 2.3 Min Pressure: 100 Max Pressure: 2000 Inlet Port Size: 1/2″NPT(F) Discharge Port Size: 3/8″NPT(F) RPM: 1725 Drive Type(s): Direct Material: Stainless Steel (SS)