HII | 5L-SS-45 Air-Driven Liquid Pump 6750 psiHydraulics International Inc. Air Driven Liquid Pump, 5 3 4 Single Acting, Single Air Drive HII Model: 5L SS 45 Maximum Outlet Pressure Volume Displacement Per Cycle Liquid Port Detail PSI (BAR) IN3 (ML) Inlet Outlet 6750 (465) 1. 24 (20. 3) 1 2 NPT 1 2 NPT Features: Air Drive line lubrication not required. Self priming for immediate operation. Compatible with all hydraulic fluids, plain water, distilled & deionized water, solvents, mild chemicals and