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A4VSO40LR2G/10L-PPB25N00 A4VSO40DR/10L-PPB25N00 A4VSO40DR/10L-PPB13N00 German Rexroth mechanical equipment hydraulic axial piston pump imported with original packaging
Specification Item
Details
Displacement
250cm³
Warranty
1 Year
Showroom Location
None
Dimension (LWH)
Standard
Maximum Flow Rate
Standard
Power (W)
Standard
Pressure
Standard
Structure
Standard
Application
Machinery
Material
Standard
Standard or Nonstandard
Standard Hydraulic
MOQ
1 Piece
Package
Wooden Case
A4VSO500DR/22L-PPB13N00
A4VSO71DR/30R-VPB13N00
A4VSO71DR/30R-PPB13N00
A4VSO500EO2/22L-PPB13N00
A4VSO500EO1/22L-PPB13N00
A4VSO500LR2/22L-PPB13N00
A4VSO500DRG/22L-PPB13N00
A4VSO500DFR/22L-PPB13N00
A4VSO500LR2G/22L-PPB13N00
A4VSO355EO2/22L-PPB25N00
A4VSO355EO2/22L-PPB13N00
A4VSO355EO1/22L-PPB25N00
A4VSO355EO1/22L-PPB13N00
A4VSO355LR2/22L-PPB25N00
A4VSO71DR/30R-PZB13N00
A4VSO250EO1/22L-PPB13N00
A4VSO250LR2G/22L-PPB13N00
A4VSO355DRG/22L-PPB25N00
A4VSO355DRG/22L-PPB13N00
A4VSO355DFR/22L-PPB25N00
A4VSO355DFR/22L-PPB13N00
A4VSO355LR2G/22L-PPB25N00
A4VSO355LR2G/22L-PPB13N00
A4VSO355DR/22L-PPB25N00
A4VSO250EO2/22L-PPB25N00
A4VSO250EO2/22L-PPB13N00
A4VSO250EO1/22L-PPB25N00
A4VSO180EO1/22L-PPB25N00
A4VSO180EO2/22L-PPB25N00
FAQ;
1. Harsh Environment Adaptation & Protection
Q1: How to protect the pump from sand and dust in desert mining applications (e.g., sandstorms)?
A1: Desert environment protection requires multi-layered defense against abrasive particles: ① Intake System Upgrade: Replace the standard tank breather with a triple-stage filter (Rexroth R901423567) — primary cyclone separator (removes 90% of large sand particles), secondary 5μm filter, and tertiary desiccant (prevents moisture absorption); ②Mechanical Sealing: Install a labyrinth dust cover (stainless steel) on the pump’s drive shaft, with a felt seal (oil-impregnated) to block fine dust; ③ Filtration Enhancement: Install a 25μm inline filter (Rexroth DF 200) in the pressure line and a 50μm suction filter with a pressure drop indicator; ④ Maintenance Protocol: Shorten oil change intervals to 1.5 months and clean filters daily during sandstorms; use a vacuum oil purifier weekly to remove suspended sand particles; ⑤ Coating Protection: Apply a ceramic-based anti-abrasion coating (Rexroth WearShield 3000) to the pump housing to resist sand erosion. These measures extend pump life in deserts by 3x compared to standard configurations.
Q2: What modifications are needed for the pump to operate in cold regions (e.g., Siberia, -40°C to -10°C)?
A2: Cold-region adaptation focuses on preventing oil viscosity issues and seal hardening: ① Oil Selection: Use ultra-low-temperature hydraulic oil (Rexroth HLP 32 LT) with a pour point of -55°C and viscosity index ≥160; ② Preheating System: Install a 5kW electric heater (Rexroth HT 050) in the tank, connected to a temperature controller (set to 10°C — the heater activates when oil temperature is below 5°C); ③ Seal Upgrade: Replace NBR/FKM seals with HNBR seals (order code suffix “HN”) — HNBR retains elasticity at -40°C, while FKM hardens and cracks; ④ Line Insulation: Wrap the suction and pressure lines with foam insulation (50mm thick) and a waterproof outer layer to prevent heat loss; ⑤ Startup Procedure: Activate the heater 30 minutes before startup; jog the motor 10 times (10s on, 20s off) to distribute oil; avoid full load operation until oil temperature reaches 15°C. These modifications ensure reliable startup and operation in extreme cold.
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...
