PV7-1X/06-10RA01MA0-05-P40Q11 PV7-2X/20-25RA01MA0-05-P30Q36 PV7-1X/06-10RA01MA0-05-P50Q15 German Rexroth imported PV7 series hydraulic vane oil pump
- PV7-1X/06-10RA01MA0-05-P40Q11
- PV7-2X/20-25RA01MA0-05-P30Q36
- PV7-1X/06-10RA01MA0-05-P50Q15
German Rexroth imported PV7 series hydraulic vane oil pump
| Specification | Value |
|---|---|
| Displacement per revolution (direct-acting) | 10-25 cm³/rev |
| Displacement per revolution (pilot-operated) | 14-150 cm³/rev |
| Maximum continuous working pressure (direct-acting) | 100 bar |
| Maximum continuous working pressure (pilot-operated) | 160 bar |
| Maximum peak pressure (direct-acting) | 120 bar (short-term overload ≤5s only) |
| Maximum peak pressure (pilot-operated) | 200 bar (short-term overload ≤5s only) |
| Speed range (direct-acting) | 600-2800 rpm (higher speed for smaller displacement models) |
| Speed range (pilot-operated) | 600-3600 rpm (higher speed for smaller displacement models) |
| Maximum flow rate at 1800 rpm (direct-acting) | 36 l/min (calculated at rated displacement) |
| Maximum flow rate at 1800 rpm (pilot-operated) | 270 l/min (calculated at rated displacement) |
| Volumetric efficiency under rated conditions (direct-acting) | ≥90% (at 160 bar, 1800 rpm, ISO VG 46 oil) |
| Volumetric efficiency under rated conditions (pilot-operated) | ≥92% (at 160 bar, 1800 rpm, ISO VG 46 oil) |
| Total efficiency under nominal operation (direct-acting) | ≥80% (includes mechanical & volumetric efficiency) |
| Total efficiency under nominal operation (pilot-operated) | ≥82% (includes mechanical & volumetric efficiency) |
| Suction pressure range | -0.8 to +1 bar (absolute pressure: 0.2-1.1 bar) |
| Compatible hydraulic fluids | Mineral oil (HLP) and synthetic oil (HETG/HEES); use FKM seals for synthetic fluids |
| Fluid viscosity range | 10-1000 mm²/s (operation); 2-1500 mm²/s (start-up); optimal range is 16-160 mm²/s |
| Fluid temperature range | -20 to +80 °C (operation); -40 to +90 °C (storage) |
| Noise level at 1 m distance under rated operation (direct-acting) | ≤63 dB(A) |
| Noise level at 1 m distance under rated operation (pilot-operated) | ≤65 dB(A) |
| Mounting standard | ISO 3019-2 flange; optional foot mounting for some models |
| Shaft connection | ISO 4162 splined shaft; keyed shaft available on request |
| Available seal materials | NBR (standard, for mineral oil) and FKM (optional, for synthetic oil) |
| Weight range (direct-acting) | 8-12 kg (depends on displacement) |
| Weight range (pilot-operated) | 10-35 kg (depends on displacement and control type) |
1. Q: What is the recommended oil temperature range for PV7 series pumps during operation?
A: The optimal operating oil temperature is 40–60 °C; the allowable short-term maximum temperature should not exceed 80 °C, and the minimum temperature should not be lower than 10 °C to avoid viscosity abnormalities affecting performance.
2. Q: What causes abnormal noise during the operation of PV7 series pumps?
A: Common causes include insufficient oil suction (such as clogged suction filters, too-small suction pipe diameters), air mixed in the hydraulic oil, excessive oil viscosity, worn pump internal components, or loose mounting bolts.
3. Q: How to maintain the suction side of PV7 series pumps to ensure normal operation?
A: Install a suction filter with a filtration accuracy of 80–100 μm, ensure the suction pipe has a smooth path with minimal bends, keep the oil level in the tank sufficient, and avoid negative pressure at the suction port exceeding 0.2 bar.
4. Q: Is the PV7 series pump equipped with a built-in relief valve?
A: Standard PV7 models do not have a built-in relief valve; a separate relief valve needs to be configured in the hydraulic system to set the maximum system pressure and protect the pump and other components.
5. Q: What is the service life of the PV7 series vane pump under normal operating conditions?
A: Under proper installation, maintenance, and operating conditions (compliant with oil cleanliness, temperature, and pressure requirements), the mean time between failures (MTBF) can reach more than 8000 operating hours.
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