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{"title":"A4VSO355LR2\/30R-PZB13N00A4VSO355LR2\/30R-VPB13N00A4VSO355LR2\/30R-PPB13N00Rexroth","imgUrl":"https:\/\/img.chinax.com\/nimg\/7f\/02\/190692f76a047791379246c44d9e-200x200-1\/a4vso355lr2_2f30r_pzb13n00a4vso355lr2_2f30r_vpb13n00a4vso355lr2_2f30r_ppb13n00rexroth_germany_imported_axial_piston_pump_0a.jpg","attrs":{"Brand Name":"Rexroth","Model Number":"A4VSO355LR2\/30R-PZB13N00A4VSO355LR2\/30R-VPB13N00A4VSO355LR2\/30R-PPB13N00","Certification":"ISO","Place of Origin":"Germany"}}
{"title":"A4VSO71DRG\/30L-PPB25N00A4VSO71DRG\/30L-PPB13N00A4VSO71DFR\/30L-PPB25N00Rexroth","imgUrl":"https:\/\/img.chinax.com\/nimg\/ef\/ad\/4795c56274c9d03be9e0fa6831df-200x200-1\/a4vso71drg_2f30l_ppb25n00a4vso71drg_2f30l_ppb13n00a4vso71dfr_2f30l_ppb25n00rexroth_mechanical_piston_pump_imported_from_germany.jpg","attrs":{"Brand Name":"Rexroth","Model Number":"A4VSO71DRG\/30L-PPB25N00A4VSO71DRG\/30L-PPB13N00A4VSO71DFR\/30L-PPB25N00","Certification":"ISO","Place of Origin":"Germany"}}
{"title":"A4VSO250LR2G\/22RVZB13N00A4VSO355DR\/22RPZB13N00A4VSO180EO1\/22R-VZB13N00Rexroth","imgUrl":"https:\/\/img.chinax.com\/nimg\/f2\/54\/ee7d5cb75fcf5bd1148e17c71342-200x200-1\/a4vso250lr2g_2f22rvzb13n00a4vso355dr_2f22rpzb13n00a4vso180eo1_2f22r_vzb13n00rexroth_mechanical_engineering_piston_pump_imported_fr.jpg","attrs":{"Brand Name":"Rexroth","Model Number":"A4VSO250LR2G\/22RVZB13N00A4VSO355DR\/22RPZB13N00A4VSO180EO1\/22R-VZB13N00","Certification":"ISO","Place of Origin":"Germany"}}
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{"title":"A4VSO40EO1\/10R-VPB13N00A4VSO40EO1\/10R-PPB13N00A4VSO40LR2\/10R-VPB25N00Rexroth","imgUrl":"https:\/\/img.chinax.com\/nimg\/b4\/b7\/ab03500d1fba5ffcb34accb314a2-200x200-1\/a4vso40eo1_2f10r_vpb13n00a4vso40eo1_2f10r_ppb13n00a4vso40lr2_2f10r_vpb25n00rexroth_axial_mechanical_piston_pump_imported_from_germ.jpg","attrs":{"Brand Name":"Rexroth","Model Number":"A4VSO40EO1\/10R-VPB13N00A4VSO40EO1\/10R-PPB13N00A4VSO40LR2\/10R-VPB25N00","Certification":"ISO","Place of Origin":"Germany"}}
{"title":"A4VSO71LR2G\/10R-VPB25N00A4VSO40DFR\/10R-PPB13N00A4VSO40LR2G\/10R-VPB25N00Rexroth","imgUrl":"https:\/\/img.chinax.com\/nimg\/15\/ee\/ed20d37d7033fe768c78acf40b46-200x200-1\/a4vso71lr2g_2f10r_vpb25n00a4vso40dfr_2f10r_ppb13n00a4vso40lr2g_2f10r_vpb25n00rexroth_a4vso_series_axial_piston_variabledisplacemen.jpg","attrs":{"Brand Name":"Rexroth","Model Number":"A4VSO71LR2G\/10R-VPB25N00A4VSO40DFR\/10R-PPB13N00A4VSO40LR2G\/10R-VPB25N00","Certification":"ISO","Place of Origin":"German"}}
A4VSO71EO1/10R-PZB13N00 A4VSO71EO1/10R-VPB13N00 A4VSO71EO1/10R-PPB13N00 Rexroth equipment mechanical axial piston pump imported from Germany with original packaging
Specification Item
Details
Displacement
250cm³
Warranty
1 Year
Showroom Location
None
Pressure
Standard
Structure
Standard
Application
Machinery
Material
Standard
Standard or Nonstandard
Standard Hydraulic
Color
Customers' Request
MOQ
1 Piece
Package
Wooden Case
A4VSO355DFR/22R-VPB25N00
A4VSO355DFR/22R-VZB13N00
A4VSO355DFR/22R-PZB13N00
A4VSO355DFR/22R-VPB13N00
A4VSO355DFR/22R-PPB13N00
A4VSO355LR2G/22R-VPB25N00
A4VSO355LR2G/22R-VZB13N00
A4VSO355LR2G/22R-PZB13N00
A4VSO355LR2G/22R-VPB13N00
A4VSO355LR2G/22R-PPB13N00
A4VSO355EO2/22R-PZB13N00
A4VSO250LR2/22R-VPB13N00
A4VSO250LR2/22R-VZB13N00
A4VSO355DR/22R-VPB13N00
A4VSO355DR/22R-PPB13N00
A4VSO250EO2/22R-VPB25N00
A4VSO250EO2/22R-VZB13N00
A4VSO250EO2/22R-VPB13N00
A4VSO250EO2/22R-PPB13N00
A4VSO250EO1/22R-VPB25N00
A4VSO250EO1/22R-VZB13N00
A4VSO250EO1/22R-PZB13N00
A4VSO250EO1/22R-VPB13N00
A4VSO250EO1/22R-PPB13N00
A4VSO250LR2/22R-VPB25N00
A4VSO250LR2/22R-PZB13N00
FAQ;
1. Troubleshooting: Common Issues & Root-Cause Solutions
Q1: The pump fails to reach rated pressure — what are the systematic diagnosis steps?
A1: Pressure insufficiency is a frequent issue — diagnose in this order:
Control System Check:
For LR2 mode: Verify the power feedback sensor signal (4–20mA). A loose connection or damaged sensor will cause the pump to operate at minimum displacement.
Check the control port X pilot pressure (required 30–40 bar). Low pilot pressure (≤20 bar) prevents the swashplate from reaching maximum angle. Adjust the pilot relief valve to restore pressure.
Hydraulic Circuit Inspection:
Test the main relief valve: If it is stuck open (due to contamination), it will bleed pressure continuously. Disassemble and clean the valve core with diesel; replace if the valve seat is scratched.
Check for external leaks: A 1 mm crack in the pressure hose can reduce system pressure by 50 bar. Use a leak detector or soap solution to identify leaks.
Internal Component Wear Check:
Disassemble the pump and measure piston-cylinder clearance (normal ≤0.02 mm). If clearance exceeds 0.03 mm, replace the piston-cylinder pair (Rexroth part number R900909645).
Inspect the valve plate and cylinder block contact surface: If there are scratches ≥0.01 mm deep, lap the surfaces with 600-grit abrasive paper until the contact area reaches ≥90%.
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...