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The Haskel GWD-12 is a heavy-duty, 6?HP single-air-head pneumatic pump designed to deliver hydraulic fluid at pressures up to 1,850?psi continuously (with intermittent capabilities beyond). It offers a nominal 12:1 pressure ratio (actual ~14.8:1), converting standard shop air into powerful fluid pressure. Built with a robust stainless-steel and nickel-plated steel body, this pump is ideal for fluid transfer, clamping, and precision testing in demanding industrial environments. Its stall-and-hold mechanism ensures consistent pressure retention without air consumption, making it both efficient and safe for hazardous areas.
- Converts shop air into up to 1,850?psi continuous fluid pressure
- Durable 6?HP single-air-head design for consistent performance
- Nominal 12:1 ratio, actual area ratio ?14.8:1 ensures reliable output
- Stall-and-hold feature enables pressure maintenance without consuming air
- Heavy-duty stainless and nickel-plated steel construction with premium seals
| Model / Part No. | GWD-12 |
| Drive Power | 6?HP pneumatic, single air head |
| Nominal / Actual Ratio | 12:1 / ~14.8:1 |
| Max Outlet Pressure | Continuous: 1,850?psi; Intermittent: Up to 4,000?psi |
| Displacement per Cycle | 15.9?cu?in/cycle |
| Max Flow Rate | 5,009?cu?in/min (~82?L/min) |
| Connections |
Air Inlet: " NPT Liquid Inlet: 1" FNPT (2) Liquid Outlet: " FNPT (2) |
| Air Drive Pressure | Up to 125?psi |
| Materials | Nickel-plated steel & stainless steel, PTFE/Buna/Q components |
| Max Cycles | 40?cpm |
| Weight | 32?lb (14.5?kg) |