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Rexroth High Pressure Variable Piston Pump 280 Bar 290x180mm

Categories Gear Pump
Brand Name: Rexroth
Model Number: A4VSO125DR/22R-VPB25N00 A4VSO125DR/22R-VZB13N00 A4VSO125DR/22R-VPB13N00 A4VSO40DRG/10L-PPB13N00 A4VSO125DR/22R-PPB13N00
Certifiion: ISO
Place of Origin: German
MOQ: 1
Price: 2
Payment Terms: ,Western Union,T/T,D/P,D/A,L/C
Supply Ability: 100
Delivery Time: 2 weeks
Packaging Details: wooden box
Weight: 7.5 kg
Model No: Rexroth
Pressure: Standard, High Pressure
Pump: Rexroth
Seal Type: Lip Seal or Mechanical Seal
Appliion: Electric factory
Condition: new
Cylinder Number: Single Cylinder
Max Pressure: 280 bar
Inlet Connection: Threaded or Flanged
Size: 290*180mm
Nominal Pressure: 280 bar
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Rexroth High Pressure Variable Piston Pump 280 Bar 290x180mm

Rexroth A4VSO Series High-Pressure Variable Piston Pump
Product Specifiions
Brand NameRexroth
TypeA4VSO125DR/22R-VPB25N00, A4VSO125DR/22R-VZB13N00, A4VSO125DR/22R-VPB13N00, A4VSO40DRG/10L-PPB13N00, A4VSO125DR/22R-PPB13N00
MaterialIron
ConditionOriginal
Quality100% Tested Great Performance
CertifiionISO
FeatureLong Life, Low Noise
FunctionFilter Diesel Oil
PowerHydraulic Power
AppliionMachinery Repair Shops, Industrial Loaders, Coal Mining Equipment
Warranty12 Months
Product Image
Rexroth A4VSO Series High-Pressure Variable Piston Pump
Model Reference Numbers
Part NumberModel
R910996792AA4VSO125LR2DY/22R-PZB13K57-SO757
R902470641AA4VSO125LR2DY/22R-PZB13K68-SO757
Frequently Asked Questions
Why is there no flow or insufficient flow from the pump?

Primary reasons are:

  • Insufficient Inflow: Caused by high suction line resistance, low oil level, excessive pump speed, or a clogged inlet strainer/suction line.
  • Excessive Leakage: Worn internal parts (pistons, cylinder block, port plate) leading to high internal leakage.
  • Swash Plate Angle: The swash plate angle might be set too small, minimizing displacement.
Why is there flow output when the control signal is at zero (neutral)?

This is often due to the control mechanism being off its neutral point. The cause can be a misadjusted, loose, or damaged controller. The solution is to re-zero, tighten, or replace the controller.

The output flow fluctuates. What is the cause?

Flow instability, often accompanied by pressure fluctuations, is frequently related to issues within the control piston mechanism. This can be due to contamination scratching the control piston, a weak or damaged control amplifier spring, or other damaged components. Addressing this usually requires disassembling the pump to inspect, repair, or replace the affected parts, and possibly increasing damping or spring stiffness.

The pump is leaking oil externally. Where should I look?

External leaks can originate from:

  • Shaft Seal: Damaged or worn-out shaft seal.
  • Pipe Connections: Loose hose connections, damaged fittings, or aged/cracked sealing washers.
Contact Information

WhatsApp: +85267220981

Email: yli97584@gmail.com

Payment Term: T/T 100%

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