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Product Details:
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| Application: | Industrial Machinery, Mobile Hydraulics | Operating Mode: | Pump, Open Circuit |
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| Maximum Pressure: | 280 Bar | Transport Package: | Wooden Box |
| Certifisaarion: | ISO9001 | Drivetype: | Shaft Driven |
| Products Name: | Rexroth Hydraulic Piston Pump | Material: | High-strength Steel And Aluminum |
| Condition: | Internal Meshing Principle | ||
| Highlight: | Rexroth PV7 hydraulic pump,pilot-operated vane pump,German imported hydraulic pump |
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Pilot-operated hydraulic pump, imported from Rexroth, originally manufactured in Germany
| Parameter | Min Value | Max Value | Unit | Notes |
|---|---|---|---|---|
| Max. Peak Pressure | 120 | 200 | bar | Short-term (≤5s) overload only |
| Speed Range | 600 | 2800-3600 | rpm | Higher speed for smaller displacement models |
| Max. Flow Rate (at 1800 rpm) | 36 | 270 | l/min | Calculated at rated displacement |
| Volumetric Efficiency (Rated Condition) | ≥90% | ≥92% | % | At 160 bar, 1800 rpm, ISO VG 46 oil |
| Total Efficiency (Nominal Operation) | ≥80% | ≥82% | % | Includes mechanical & volumetric efficiency |
| Suction Pressure Range | 1 | -0.8 to +1 | bar | Absolute pressure: 0.2-1.1 bar |
| Fluid Compatibility | Mineral oil (HLP), synthetic oil (HETG/HEES) | Use FKM seals for synthetic fluids | ||
| Fluid Viscosity Range | 10-1000 (operation); 2-1500 (start-up) | Optimal: 16-160 mm²/s | ||
| Fluid Temperature Range | -20 | +80 | °C | Storage: -40 to +90 °C |
| Noise Level (1 m Distance, Rated Operation) | ≤63 | ≤65 | dB(A) | Pilot-operated models have optimized noise reduction |
| Mounting Standard | ISO 3019-2 flange | Optional foot mounting for some models | ||
| Shaft Connection | ISO 4162 splined shaft | Keyed shaft available on request | ||
| Seal Material | NBR (standard); FKM (optional) | NBR for mineral oil; FKM for synthetic oil | ||
| Weight | 8-12 | 10-35 | kg | Depends on displacement and control type |
| Control Type | Direct-acting pressure compensation | PV7-A: direct-acting; PV7-C/D/N/W: pilot-operated | ||
| Response Time (Pressure Rise) | 40-60 | 20-40 | ms | Faster response for pilot-operated models |
| Housing Material | GG25 cast iron | High strength, vibration-resistant | ||
| Rotor/Stator Material | 42CrMo4 alloy steel (quenched & tempered) | High hardness & wear resistance | ||
| Vane Material | Wear-resistant powder metallurgy alloy | Self-lubricating & anti-seizure | ||
Contact Person: Mr. liyun
Tel: +8615280488899