| Type | Pneumatic Piston Pump |
| Pump Ratio | 10:1 |
| Air Inlet Size | 1/2 in. Female NPT |
| Air Motor Effective Diameter | 4.25 in. |
| Application | Industrial |
| Compatible Material | Grease |
| Cycles per Gallon | 20 |
| Fluid Inlet Type | Slotted |
| Fluid Outlet Size | 1 in. Female NPT |
| Maximum Air Inlet Pressure | 180 PSI |
| Maximum Continuous Cycle Rate | 60 CPM |
| Maximum Intermittent Cycle Rate | 60 CPM |
| Maximum Flow Rate | 3.5 GPM |
| Maximum Working Pressure | 1800 PSI (12.4 MPa) |
| Sound Power Level | 94.62 dB(A) |
| Sound Pressure Level | 80.85 dB(A) |
| Wetted Material | Steel, Brass, Aluminum, Leather, Nitrile Rubber |
| Weight | 42.00 LBS |
| Tube Length | 37.3 in. |
The Fire-Ball 425 Grease Pump features a large air motor to supply the power needed for long pipe runs and higher-volume dispensing. An ideal choice for applications where multiple dispenses happen at the same time. The Fire-Ball 425 is the pump of choice for the most demanding high volume applications.
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