Oil Pump,3-1/8" Air Inlet,5:1 Pump Ratio, Mfr#: 21100-S7, LIQUIDYNAMICS INC.

Oil Pump, Wall Mount, Air Motor Size (In.) 3-1/8, Pump Ratio Variable, 16 gal. Drum, Consumption @ 100 PSI 12 cfm, Working Flow Max. (GPM) 4, Min. Air Inlet Pressure 50 PSI, Max. Air Inlet PSI 120, Capacity 55 gal., Outlet Pressure Max. (PSI) 600, Air Inlet (In.) 1/4 FNPT, Outlet Size 1/2 In. NPT, Fluid In/Out NPT (F) 1 In. / 1/2 In., Output 4 gpm, Fluid Inlet Thread (In.) 1 FNPT, Fluid Outlet Thread (In.) 1/2 FNPT, Interval Time Between Cycles (Min.) 0.08, Yes Pump for Multiple Outlets