SAMSON PM4 3:1 PUMP WITH 2" BUNG For 270/500 48" Tank
| Pump Pressure Ratio | 3:1 |
| Air Pressure Operating Range | 20-140 psi (1.5-10 bar) |
| Air Consumption (1) | 10 scfm (285 NL/min) |
| Maximum Fluid Outlet Pressure | 420 psi (30 bar) |
| Air Motor Diameter | 3 1/2" (88 mm) |
| Air Motor Effective Diameter | 2 1/2" (60 mm) |
| Air Motor Stroke | 4" (100 mm) |
| Delivery at 235 cpm | 6.5 gpm (24.6 l/min) |
| Maximum Free Flow Delivery (2) | 11.1 gpm (42 l/min) |
| Air inlet | 3/8" NPT(F) |
| Fluid inlet (stub pump only) | 1" NPT(F) |
| Fluid outlet | 3/4" NPT(F) |
| Wetted Materials | Aluminum / Steel / Polyurethane / NBR / PTFE |
| Noise Level | Pump noise level meets OSHA requirements at all recommended operating air pressures |
(1) Air consumption with 90 psi (6 bar) air inlet pressure and 85 cycles per minute.
(2) Maximum free delivery at 100 psi (7 bar).