Hydraulic Gear Pumps
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Hydraulic Gear Pumps
The HAWE Type Z gear pump is a constant displacement pump with a closed housing, designed for top-tier industrial performance, reaching operating pressures of up to 260 bar.
Renowned for its ultra-quiet operation and excellent self-priming capability, this hydraulic gear pump ensures low-pulsation flow, protecting the longevity of the entire system.
- Max Displacement: 87.5 cm³/rev
- Max Flow Rate: 127 lpm (at 1,450 rpm)
- Volumetric Efficiency: Between 0.90 and 0.97
Technical Specifications Download View
Performance and Versatility: HAWE Z Series External Gear Pump
The HAWE Hydraulik Z Series is the optimal solution for supplying hydraulic oil in complex systems. This gear pump is available as a stand-alone unit or integrated into RZ-type dual-stage pumps, where it is combined with a radial piston pump to meet high-pressure requirements.
Technical Specifications by Frame Size
| Size | Displacement (cm³/rev) | Continuous Pressure p1 (bar) | Flow at 1450 rpm (lpm) |
|---|---|---|---|
| Size 1 | 1.6 – 10.65 | 260 – 140 | 2.3 – 15.4 |
| Size 2 | 4.5 – 26.0 | 240 – 180 | 6.5 – 37.7 |
| Size 3 | 30.1 – 87.5 | 210 – 110 | 43.6 – 126.9 |
Operating Parameters
- Rotation: Standard direction is left-hand (anti-clockwise) when viewed from the pump shaft.
- Speed: Ranges from 600 rpm (Size 3) up to 4,000 rpm (Size 1).
- Installation Position: Total flexibility in any orientation.
- Fluid Temperature: Safe operation between -25°C and +80°C.
Maintenance and Fluid Purity
The longevity of the HAWE Z pump depends on the cleanliness of the hydraulic fluid (ISO VG 10 - 68). Compliance with the ISO 4406 standard is recommended, using filtration with a fineness of β10 ≥ 75.
Need a specific size or configuration? The Varitec Fluid experts provide full technical consulting for the entire HAWE pump range.
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