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The Haskel MSHP-71 is a robust 1/3?HP pneumatic liquid pump designed to safely develop hydraulic pressure up to 8,800?psi using shop air only. Engineered with a stainless-steel body and piston, it features a stall-and-hold air valve that maintains peak pressure without consuming additional air. The single-air-head design with ~0.06?in per cycle displacement ensures precise low-volume fluid control. Lightweight (~9?lb) and spark-free, it's ideal for hydrostatic testing, leak checks, clamp activation, and other field or lab use.
- Delivers up to 8,800?psi from compressed air only
- Compact, spark-free pneumatic drive no electricity or heat
- Stall-and-hold valve retains pressure without ongoing air input
- Single-cycle precision (~0.06?in per stroke) for low-volume applications
- Durable stainless-steel construction with selectable wetted materials
| Model / Part No. | MSHP-71 |
| Horsepower | 0.33?HP (air drive) |
| Nominal / Actual Ratio | 71?:?1 / ~82?:?1 |
| Max Continuous Pressure | 8,800?psi (607?bar) |
| Displacement per Cycle | 0.06?in (~1?mL) |
| Max Flow Rate | ~39?in /min (~0.64?L/min) |
| Air Drive Pressure | ?125?psi |
| Materials |
Body & Piston: Stainless steel Wetted Seals: Optional (PTFE, Buna, Viton per application) |
| Connection Ports |
Inlet: 3/8" NPT Outlet: 1/4" NPT |