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The Haskel M-5 is a compact, 1/3 HP pneumatic liquid pump with a 5 : 1 nominal ( 5.6 : 1 actual) boost ratio. With shop air, it delivers reliable hydraulic pressure up to 625 psi, making it ideal for low-pressure fluid testing and transfer. It features a stall-and-hold design in a tough stainless-steel frame, eliminating the need for continuous airflow. At only ~10 lb, this pump is highly portable and low-maintenance, offering safe, spark-free operation for industrial, lab, and field use.
- Boosts pressures up to 625 psi for continuous operation
- Compact 1/3 HP air-driven single-head pump for portability
- Stall-and-hold valve maintains system pressure without airflow
- Durable stainless-steel body with precision seals
- Infinitely variable cycle rate up to 325 CPM
| Model / Part No. | M-5 |
| Horsepower | 0.33 HP (1/3 HP) |
| Ratio (Nominal / Actual) | 5 : 1 / 5.6 : 1 |
| Max Hydraulic Pressure | 625 psi (continuous) |
| Displacement per Cycle | 0.83 in ( 13.6 mL) |
| Max Cycle Rate | 325 cycles/min |
| Air Drive Pressure | Up to 125 psi |
| Weight | ~10 lb (4.5 kg) |