A4VSO355LR2G/22R-VPB13N00 A4VSO355LR2G/22R-PPB13N00 A4VSO355EO2/22R-PZB13N00
A4VSO250LR2/22R-VPB13N00 A4VSO250LR2/22R-VZB13N00 Variable high-pressure piston pump, German Rexroth hydraulic pump
| whatsapp | +85267220981 | email | yli97584@gmail.com |
| Brand Name | Rexroth | Place of Origin |
fujian, China |
| Warranty | 12 Months | Video outgoing-inspection | Provided |
| Machinery Test Report | Provided | Application | Machinery Repair Shops |
| Material | Iron | Condition | Oringal |
| Type | A4VSO355LR2G/22R-VPB13N00 A4VSO355LR2G/22R-PPB13N00 A4VSO355EO2/22R-PZB13N00
A4VSO250LR2/22R-VPB13N00 A4VSO250LR2/22R-VZB13N00 | Quality | 100% Tested Great Performance |
| Certification | ISO | Feature | Long Life Low Noise |
| Function | Filter Diesel Oil | Power | Hydraulic Power |
| Payment Term | T/T 100% |
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| R902445304 | AA4VSO355LR2N/30R-PPB13K68 |
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| R902468932 | AA4VSO355LR2N/30R-PPB13KB7 |
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| R902404696 | AA4VSO355LR2N/30R-PPB13N00 |
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| R902411226 | AA4VSO355LR2N/30R-PPB13N00-SO134 |
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| R902430835 | AA4VSO355LR2N/30R-PPB13N00-SO849 |
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| R902494246 | AA4VSO355LR2N/30R-PPB25G60 |
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| R902512252 | AA4VSO355LR2N/30R-PPB25U01 |
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| R902557268 | AA4VSO355LR2N/30R-PPB25U68 |
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| R902535569 | AA4VSO355LR2N/30R-PPB25UB7 |
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| R902533659 | AA4VSO355LR2N/30R-PPB25X40 |
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| R902472959 | AA4VSO355LR2N/30R-PZB13K01 |
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| R902474721 | AA4VSO355LR2N/30R-PZB13K68 |
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| R902470306 | AA4VSO355LR2N/30R-PZB13K77 |
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| R902470307 | AA4VSO355LR2N/30R-PZB13N00 |
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| R902544975 | AA4VSO355LR2N/30R-VPB13N00 |
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| R902423268 | AA4VSO355LR2NT/30R-PPB13K68 |
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| R902407584 | AA4VSO355LR2NT/30R-PPB13N00 |
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| R902410110 | AA4VSO355LR2S/30R-PPB13N00 |
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| R902561949 | AA4VSO355LR2S/30R-PZB25U77 |
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| R902561950 | AA4VSO355LR2S/30R-PZB25U99 |
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| R902404869 | AA4VSO355LR2Y/30R-PPB13N00-SO134 |
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| R902444727 | AA4VSO355LR2Y/30R-PPB13N00 |
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| R902448614 | AA4VSO355LR2Z/30R-PPB13N00 |
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| R902437656 | AA4VSO355LR3/30R-PPB13I20 |
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| R902485850 | AA4VSO355LR3/30R-PPB25U35 |
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| R902485584 | AA4VSO355LR3G/30R-PPB13N00 |
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| R902478368 | AA4VSO355LR3GN/30R-PPB13N00 |
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| R902438065 | AA4VSO355LR3N/30R-PPB13N00-SO134 |
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| R902493825 | AA4VSO355LR3N/30R-PPB25G60 |
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| R902418956 | AA4VSO355LR3N/30R-PPB25K77 |
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| R902408441 | AA4VSO355LR3N/30R-PPB25N00 |
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| R902476703 | AA4VSO355LR3N/30R-PZB13K34 |
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| R902474864 | AA4VSO355LR3N/30R-PZB13KB7 |
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| R902418957 | AA4VSO355LR3N/30R-PZB25N00 |
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| R902434445 | AA4VSO355LR3S/30R-PPB25K35 |
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| R902422306 | AA4VSO355LR3S/30R-PPB25K77 |
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| R902450111 | AA4VSO355LR3S/30R-PPB25KB3 |
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| R902451849 | AA4VSO355LR3S/30R-PPB25KB5 |
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| R902516345 | AA4VSO355LR3S/30R-PPB25U77 |
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| R902456583 | AAA4VSO355DFR/30R-VKD63K68 |
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| R902433269 | AAA4VSO355DFR/30R-VKD63N00 |
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| R902406340 | AAA4VSO355DFR/30R-VKD63N00E |
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| R902406508 | AAA4VSO355DFR/30R-VKD63N00E |
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| R902500369 | AAA4VSO355DP/30R-PKD63N00 |
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| R902475380 | AAA4VSO355DR/30R-FKD75U99 |
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| R902500441 | AAA4VSO355DR/30R-PKD63N00 |
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| R902406404 | AAA4VSO355DR/30R-PKD63N00E |
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| R902462543 | AAA4VSO355DR/30R-PKD63N00ESO103 |
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| R902415154 | AAA4VSO355DR/30R-VKD63N00 |
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FAQ:
The pump can be installed in various orientations (horizontal or vertical). For vertical installation with the shaft pointing upwards, external bearing flushing is strongly recommended to ensure adequate lubrication for the front bearing and shaft seal.
3. Operation & Fluid Management
Q5: What hydraulic oil should I use, and what is the optimal viscosity?
• Oil Types: Recommended fluids include mineral oils (RC 90220), environmentally friendly fluids (RC 90221), and HF fluids (HFA, HFB, HFC - check seal compatibility, typically FKM for HFD; RC 90223). Specify the fluid type when ordering.
• Viscosity Range: The optimal operating viscosity range (at operating temperature) is 16 to 36 mm²/s. Absolute limits are:
◦ Minimum: 10 mm²/s (short-term, max. case drain temp 90°C)
◦ Maximum: 1000 mm²/s (short-term, cold start).
• Selection: Select a viscosity grade (e.g., VG 46, VG 68) so that the viscosity at the operating temperature (typically tank temperature in open circuits) falls within the optimal range. Generally, opting for a higher viscosity grade is advised.
Q6: What are the fluid cleanliness requirements?
To ensure reliable operation and long service life, the oil cleanliness should be at least NAS 1638 Class 9 or ISO/DIS 4406 18/15.
Q7: Why does my pump get overheated?
Common causes for excessive heating include:
• Internal Leakage: Excessive internal leakage within the pump components converts hydraulic energy to heat.
• Mechanical Friction: Dry or semi-dry friction due to worn parts or inadequate lubrication generates heat.
• Fluid Friction: Inadequate tank capacity or cooling, causing the system to overheat.
• Clogged Return Line Filter: A blocked return filter creates high backpressure, leading to increased temperature.
• Low Oil Level: Insufficient oil in the reservoir reduces cooling capacity.
Product Tags:
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Rexroth A4VSO355LR2G Hydraulic Pump 355cc 315 Bar High Pressure Images
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