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The Haskel?AG-303 is a rugged, single-stage, single-acting pneumatic gas booster offering a 303:1 pressure ratio. With a 500?psi minimum gas supply, it can boost inert gas pressures up to 39,000?psi (2,690?bar). It operates without electricity or oil and includes a stall-and-hold mechanism to maintain maximum pressure without air use. Its compact, corrosion-resistant frame and hydrocarbon-free design make it ideal for cylinder charging, leak testing, laboratory use, and critical gas transfer applications.
- Air-powered and spark-free for safe, flame-proof operation
- Boosts gas up to 39,000 PSI with ease
- Stall-and-hold feature maintains peak pressure without air
- Hydrocarbon-free gas path ensures purity
- Compact triple-piston design with robust handle and frame
| Model / Part No. | AG-303 |
| Type | Single-stage, single-acting gas booster |
| Pressure Ratio | 303:1 |
| Min Gas Inlet | 500 psi (34 bar) |
| Max Outlet (Inert Gas) | 39,000 psi (2,690 bar) |
| Displacement/Cycle | ~0.89 in (14.6 mL) |
| Gas Connections | " H/P (BuTech) inlet & outlet |
| Air Drive | " FNPT |
| Weight | 44 lb (20 kg) |