4SPX32G1I – 4SPX DIRECT DRIVE PLUNGER PUMPS Home > Brands > CAT Pumps > Plunger Pumps > 4SPX32G1I – 4SPX DIRECT DRIVE PLUNGER PUMPS Posted on September 29, 2016October 17, 2016 by tugz Technical Specifications Max Flow: 3.2 Min Pressure: 100 Max Pressure: 3000 Inlet Port Size: 3/8″NPT(F) Discharge Port Size: 3/8″NPT(F) RPM: 3450 Drive Type(s): Direct Material: Brass (BB)