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The Haskel MSHP-188 is a rugged, stainless-steel, air-actuated liquid pump delivering up to 15,000 psi via a 188:1 nominal ( 217:1 actual) ratio. Powered by compressed air (max 125 psi), it uses a stall-and-hold mechanism to maintain pressure without continuous air flow. Compact yet robust, its designed for precision, low-flow fluid testing, clamp activation, and remote or hazardous-area operations. With its solid build, easy handling, and durable seals, its built for dependable long-term use.
- Achieves up to 15,000 psi continuous pressure safely with air drive
- Built-in stall-and-hold valve locks hydraulic pressure without using air
- Compact single-air-head design with only 0.023 in per cycle displacement
- High-grade stainless-steel wetted parts resist corrosion and wear
- Infinitely adjustable cycle speed (up to 325 cpm), with no air-line lubrication required
| Model / Part No. | MSHP-188 |
| Horsepower | 0.33 HP (pneumatic) |
| Nominal / Actual Ratio | 188 : 1 / ~217 : 1 |
| Max Hydraulic Pressure | 15,000 psi (1,034 bar) |
| Displacement per Cycle | 0.023 in ( 0.4 mL) |
| Max Flow Rate | ~18 in /min |
| Max Cycle Rate | 325 cycles/min |
| Air Inlet Pressure | Up to 125 psi (8.6 bar) |
| Materials | Stainless steel body and wetted parts |
| Ports |
Inlet: 3/8" NPT Outlet: 1/4" NPT |
| Weight | ~9 lb (4 kg) |