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The Haskel ASF-52 is a robust 2?HP pneumatic liquid pump with a nominal ratio of?52:1, capable of boosting hydraulic pressures up to 8,000?psi using compressed air. Its stainless-steel piston and UHMWPE-sealed body provide corrosion resistance and durability. Designed with a 2" stroke, it features stall-and-hold functionality to maintain pressure without consuming air, making it ideal for long-duration hydrostatic testing, fluid transfer, clamping, and calibration without sparks or heat. Compact, maintenance-friendly, and ATEX-rated, it excels in laboratory or industrial environments.
- Operates on air no electrical hazards or sparks
- Boosts to up to 8,000 psi with a 52:1 ratio
- Stall-and-hold feature maintains pressure without air
- Stainless-steel body resists corrosion
- UHMWPE seals ensure durability and chemical compatibility
| Model / Part No. | ASF-52 |
| Type | Single-stage pneumatic liquid pump |
| Power Rating | 2 HP (Pneumatically driven) |
| Nominal Pressure Ratio | 52 : 1 |
| Maximum Outlet Pressure | 8,000 psi (552 bar) |
| Operating Mode | Stall-and-Hold for maintaining continuous pressure |
| Displacement per Cycle | ~0.67 in (?11 mL) |
| Stroke Length | 2" (?51 mm) |
| Piston and Body | Stainless Steel |
| Seal Material | UHMWPE (Ultra High Molecular Weight Polyethylene) |