2531 – 25 FRAME PLUNGER PUMP Home > Brands > CAT Pumps > Plunger Pumps > 2531 – 25 FRAME PLUNGER PUMP Posted on September 30, 2016April 15, 2021 by tugz Technical Specifications Max Flow: 25 Min Pressure: 100 Max Pressure: 1000 Inlet Port Size: 1 1/4″NPT(F) Discharge Port Size: 3/4″NPT(F) RPM: 1025 Drive Type(s): Belt Material: Stainless Steel (SS)