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The Haskel M-7 is a compact, pneumatic-driven liquid pump that converts shop air into hydraulic pressure up to 900?psig. With a 7:1 ratio, it achieves approximately 0.6?in displacement per stroke and a cycle rate near 325?cpm. It operates spark-free with no heat or electrical sparks, and includes an internal stall-at-pressure feature, holding preset pressure without using additional air. Featuring a stainless-steel piston and durable body, the pump is low-maintenance and ideal for fluid transfer, hydrostatic testing, and precise clamping applications in clean environments.
- Pneumatically driven safe spark-free operation
- 7:1 nominal (7.8:1 actual) ratio; max 900?psig output
- Delivers ~0.6?in per cycle (~9.8?mL)
- Stall-at-pressure holds steady pressure without air consumption
- Stainless-plated steel body and piston, PTFE/Buna seals
| Model | M-7 (0.33?HP / ?kW) |
| Outlet Pressure | 900?psig / 62?bar (continuous) |
| Displacement | 0.60?in /cycle (~9.8?mL); Max Flow: ~366?in /min |
| Air Drive Pressure | Up to 125?psig; Cycle Rate: ~325 cycles/min |
| Weight | ~9?lb / 4.1?kg |
| Materials | Stainless-steel piston and body, cadmium-plated steel, PTFE/Buna seals |