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China factory - Xiamen Lang Ye Hydraulic Electromechanical Equipment Co., Ltd

Xiamen Lang Ye Hydraulic Electromechanical Equipment Co., Ltd

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  2. Rexroth Plunger Pump>
  3. A4VSO71EO2/10RVPB13N00 A4VSO71EO2/10RPPB13N00 A4VSO71EO1/10R-VPB25N00 Rexroth
China A4VSO71EO2/10RVPB13N00 A4VSO71EO2/10RPPB13N00 A4VSO71EO1/10R-VPB25N00 Rexroth
China A4VSO71EO2/10RVPB13N00 A4VSO71EO2/10RPPB13N00 A4VSO71EO1/10R-VPB25N00 Rexroth

  1. China A4VSO71EO2/10RVPB13N00 A4VSO71EO2/10RPPB13N00 A4VSO71EO1/10R-VPB25N00 Rexroth

A4VSO71EO2/10RVPB13N00 A4VSO71EO2/10RPPB13N00 A4VSO71EO1/10R-VPB25N00 Rexroth

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Payment Terms Western Union,T/T,D/P,D/A,L/C,MoneyGram
Supply Ability negotiation
Delivery Time negotiation
Drivetype Hydraulic
Productname Rexroth Plunger Pump
Mountingtype Flange Mount
Material High-strength steel
Sealingtype Mechanical seal
Application Industrial hydraulic systems
Type Plunger Pump
Brand Name Rexroth
Model Number A4VSO71EO2/10RVPB13N00A 4VSO71EO2/10RPPB13N00 A4VSO71EO1/10R-VPB25N00
Certification iso
Place of Origin Germany

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms Western Union,T/T,D/P,D/A,L/C,MoneyGram Supply Ability negotiation
Delivery Time negotiation Drivetype Hydraulic
Productname Rexroth Plunger Pump Mountingtype Flange Mount
Material High-strength steel Sealingtype Mechanical seal
Application Industrial hydraulic systems Type Plunger Pump
Brand Name Rexroth Model Number A4VSO71EO2/10RVPB13N00A 4VSO71EO2/10RPPB13N00 A4VSO71EO1/10R-VPB25N00
Certification iso Place of Origin Germany
High Light A4VSO71EO2 Axial Pump ，A4VSO71EO2 Axial Piston Pump ，Rexroth Axial Piston Pump

A4VSO71EO2/10RVPB13N00A 4VSO71EO2/10RPPB13N00 A4VSO71EO1/10R-VPB25N00 Rexroth mechanical axial piston pump imported from Germany with original packaging

Item

Specification

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

Original

Certification

ISO

Feature

Long Life, Low Noise

Function

Filter Diesel Oil

Power

Hydraulic Power

A4VSO500DFR/22R-VPB13N00

A4VSO500LR2G/22R-VPB13N00

A4VSO500DR/22R-VPB13N00

A4VSO355EO2/22R-VPB25N00

A4VSO355EO2/22R-VZB13N00

A4VSO125LR2/22L-PPB13N00

A4VSO125LR2G/22L-VZB25N00

A4VSO180DFR/22L-PPB13N00

A4VSO180LR2G/22L-PPB25N00

A4VSO355DR/22R-VZB13N00

A4VSO355DRG/22R-VPB25N00

A4VSO355EO2/22R-VPB13N00

A4VSO355EO2/22R-PPB13N00

A4VSO355EO1/22R-VPB25N00

A4VSO355EO1/22R-VZB13N00

A4VSO355EO1/22R-PZB13N00

A4VSO355EO1/22R-VPB13N00

A4VSO355EO1/22R-PPB13N00

A4VSO355LR2/22R-VPB25N00

A4VSO355LR2/22R-VZB13N00

A4VSO355LR2/22R-PZB13N00

A4VSO355LR2/22R-VPB13N00

A4VSO355LR2/22R-PPB13N00

A4VSO355DRG/22R-VZB13N00

A4VSO355DR/22R-VPB25N00

A4VSO355DRG/22R-PZB13N00

FAQ;

Troubleshooting: Common Issues & Root-Cause Solutions

Q1: Excessive noise (≥85 dB) occurs during operation — how to classify and resolve the issue?

A1: Noise type directly indicates the root cause — use this classification guide:
Noise Type Likely Cause Resolution Steps
Whistling Suction line cavitation (air ingestion) 1. Clean 100 μm suction strainer; 2. Tighten suction line connections; 3. Ensure oil level ≥2/3 of tank volume
Knocking Bearing wear or swashplate hinge pin looseness 1. Replace full-roller bearings (R900014567); 2. Retighten hinge pin to 60 N·m; 3. Check swashplate deformation
Gurgling Air trapped in the control circuit 1. Bleed air from control ports X/Y; 2. Replace the tank breather (clogged breather causes vacuum)
Harmonic Hum Motor-pump resonance 1. Adjust motor speed by ±50 rpm; 2. Install a vibration damper on the coupling

Q2: Case drain temperature exceeds 95°C — what are the key solutions?

A2: Overheating accelerates seal aging and oil degradation — address these top causes:
  1. Oil Viscosity Mismatch:
    • If viscosity <10 mm²/s (overheated oil), drain and refill with VG 68 oil (for high-temperature environments).
    • If viscosity >1000 mm²/s (cold start), preheat the tank to 20°C with an electric heater.
  2. Case Drain Line Restriction:
    • Inspect the DN20 drain hose for kinks or blockages (common in mobile machinery with tight routing). Replace with smooth-bore hose if inner diameter is reduced by ≥30%.
  3. Overload Operation:
    • Monitor power output — if operating at >45 kW for extended periods, reduce load or upgrade to A4VSO125 (larger displacement).
    • Ensure the LR2 power limit is set correctly (matches motor rated power) to avoid overloading.
  4. Internal Friction Increase:
    • Check piston shoe wear: If the contact surface with the swashplate is uneven, replace the piston shoes (R900912345).
    • Lubricate the swashplate with high-temperature grease (Rexroth LT 31) during reassembly.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer

  • Year Established:

    2015

  • Total Annual:

    2000000-5000000

  • Employee Number:

    30~50

  • Ecer Certification：

    Verified Supplier

Xiamen Lang Ye Hydraulic Electromechanical Equipment Co., Ltd.Lang Ye Hydraulic is the excellent supplier of hydraulic gear pump, HPU, hydraulic control valve, orbital motor and so on. We offer integrated R& D, production and sales service. We have our own self built R&D laboratory and a num... Xiamen Lang Ye Hydraulic Electromechanical Equipment Co., Ltd.Lang Ye Hydraulic is the excellent supplier of hydraulic gear pump, HPU, hydraulic control valve, orbital motor and so on. We offer integrated R& D, production and sales service. We have our own self built R&D laboratory and a num...

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Get in touch with us

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  • Xiamen Lang Ye Hydraulic Electromechanical Equipment Co., Ltd
  • Xia'Men City, China
  • https://www.pumpshydraulics.com/

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