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The Haskel HAA31-3.5-N is a compact, single-stage, single-acting air amplifier that boosts air or nitrogen pressure by a 3.5 : 1 ratio. Drive it with up to 125 psi of shop air and it can output pressures up to 450 psi, making it ideal for applications where small-volume pressure boosting is required such as tire inflation, pressure testing, or air-actuated tooling. With robust construction, variable outlet control, and no electrical or spark risk, the HAA31-3.5-N is a simple, rugged solution for demanding industrial tasks.
- Boosts outlet pressure up to 450 psi from shop air
- Compact single-stage design with 3.5:1 ratio
- No electrical or spark source safe for hazardous environments
- Infinitely variable outlet control via air drive regulator
- Rugged stainless and aluminum construction with long-life seals
| Model / Part No. | HAA31-3.5-N |
| Ratio (Nominal) | 3.5 : 1 |
| Maximum Pressures |
Inlet Air Pressure: 125 psi (8.6 bar) Outlet Pressure: 450 psi (31 bar) |
| Performance |
Displacement per Cycle: 1.77 in ( 29 mL) Drive Size: 2.87 in (73 mm) Maximum Cycle Rate: 325 cycles/min |
| Connections |
Air Inlet: 1/4" FNPT Outlet: 3/8" FNPT |
| Weight | 5 lb (2.3 kg) |