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The Haskel MSHP-21 is a compact 1/3?HP stainless-steel liquid pump designed for demanding field and industrial applications. Driven purely by compressed air (??125?psi), it delivers high-performance hydraulic pressure up to 2,600?psi continuous. Featuring a built-in manual hand-pump and stall-and-hold mechanism, it maintains system pressure without extra airflow. Its precise 21:1 nominal ratio (actual ~22 25:1) and fine displacement (~0.2?in per cycle) make it ideal for precision liquid transfer, hydrostatic testing, and clamp actuation. Combining durability, safety, and portability, the MSHP-21 excels in remote or hazardous environments.
- Achieves 2,600?psi hydraulic output using shop air only
- Built-in stall-and-hold functionality eliminates air consumption at pressure
- 21:1 nominal ratio (?22 25:1 actual) ensures precise control
- Includes manual hand-pump for non-powered operation
- Compact, stainless-steel construction corrosion-resistant and field-ready
| Model / Part No. | MSHP-21 |
| Horsepower | 0.33?HP (pneumatic) |
| Nominal / Actual Ratio | 21?:?1 / ?22 25?:?1 |
| Max Continuous Pressure | 2,600?psi (179?bar) |
| Displacement per Cycle | 0.2?in (~3.3?mL) |
| Max Flow Rate | ~130?in /min (?2.1?L/min) |
| Max Cycle Rate | Up to 325 cycles/min (typical across MSHP series) |
| Air Inlet Pressure | Up to 125?psi |
| Materials | Body / Wetted Parts: Stainless steel |
| Connection Ports |
Inlet: 3/8"?NPT Outlet: 1/4"?NPT |