High flow double acting pumps with high pressure delivery for use in lubrication systems that require a combination of high flow and pressure delivery. Pumps can be used with grease up to NLGI-2 viscosity.These pumps can be used in medium length systems that include simultaneous operation outlets.
Pumps are available for cover mount to 50 kg - 120 lb and 185 kg - 400 lb open drums and for horizontal and side mount on grease totes and bags.
FLUIDS HANDLED
- Grease up to NLGI-2.
MARKETS SERVED
- Heavy Duty service shops.
- Fleets
- Mining and construction.
- Railroad and mass transit.
- Marine.
- In-plant.
Available Models & Accessories
| PART No. | APPLICATION | PUMP TUBE HEIGHT | TOTAL HEIGHT | WEIGHT |
| 531 410 | 185 kg (400 lb) drum | 855 mm | 1,357 mm | 25 kg |
| 531 420 | 50 kg (120 lb) drum | 650 mm | 1,152 mm | 22 kg |
| 531 430* | Bulk tote | 490 mm | 992 mm | 26 kg |
* Includes adaptor 753 110 to fit a 3" cam-lock connector for use in totes and grease bags.
Technical Data
| Pump pressure ratio | 40:1 |
| Continuous duty flow rate | 3.5 kg/min (7.5 lb/min) |
| Maximum free flow | 11 kg/min (24.3 lb/min) |
| Air pressure operating range | 1.5 - 14 bar (20 - 200 psi) |
| Maximum outlet pressure | 560 bar (8,000 psi) |
| Air motor effective diameter | 115 mm (4.5") |
| Air motor stroke | 100 mm (4") |
| Air consumption (1) | 750 Nl/min (26.5 cfm) |
| Air inlet | 1/2" BSP (F) |
| Fluid outlet | 1/2" BSP (F) |
| Wetted and seal materials | Cast Iron / Steel / Hard chromed steel / UHMW PE / NBR / PTFE |
| Noise level (2) | 80 dB |
- Air consumption at 5 bar (70 psi) air pressure, NLGI-2 grease at 20 ºC (68 ºF) and 80 cpm.
- Noise level measured at 1 m (3’) from the pump, 7 bar (100 psi) air pressure and free delivery.



