Industrial Rexroth Hydraulic Pump A10VSO45DR/31R-PPA12N00 A10VSO45DRG/31R-PPA12N00
Price:
negotiation
MOQ:
negotiation
Delivery Time:
negotiation
Brand:
Rexroth
Product Description
A10VSO45DR/31R-PPA12N00 A10VSO45DRG/31R-PPA12N00 German Rexroth mechanical system equipment hydraulic industrial hydraulic pump imported with original packaging
Product Name: Hydraulic Piston Pump
Brand Name: REXROTH
Place of Origin: Fujian, China
Pump Type: Piston Pump
Material: Cast Iron
Application: Construction Machinery
Weight: 33 (Unit: Not Specified)
Warranty: 1 Year
Package: Wooden Box
Product Description
German Rexroth mechanical system equipment hydraulic industrial hydraulic pump imported with original packaging.
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A10VSO100DG/31R-PPA12N00
A10VSO100DG/31R-VPA12N00
A10VSO140DFR/31R-PPA12N00
A10VSO140DR/31R-PPA12N00
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Troubleshooting: Common Issues & Solutions
Q1: Case drain temperature exceeds 95 °C--what are the solutions?
Key causes and fixes:
• Viscosity mismatch: If oil viscosity <10 mm²/s (overheating) or >100 mm²/s (increased friction), drain and refill with VG 46 oil (for 20-60°C ambient)
• Case drain line restriction: Check for kinks or blockages in the DN15 hose--replace with smooth-bore hose if inner diameter is reduced by ≥30%
• Overload operation: Monitor pressure--if long-term operation at >300 bar, reduce load or upgrade to A10VSO71 (higher displacement)
• Internal friction: Check piston shoe wear--replace if the contact surface with the swashplate is uneven (use a straightedge to verify)
• Viscosity mismatch: If oil viscosity <10 mm²/s (overheating) or >100 mm²/s (increased friction), drain and refill with VG 46 oil (for 20-60°C ambient)
• Case drain line restriction: Check for kinks or blockages in the DN15 hose--replace with smooth-bore hose if inner diameter is reduced by ≥30%
• Overload operation: Monitor pressure--if long-term operation at >300 bar, reduce load or upgrade to A10VSO71 (higher displacement)
• Internal friction: Check piston shoe wear--replace if the contact surface with the swashplate is uneven (use a straightedge to verify)
Q2: Flow fluctuates abnormally (variation >10%)--what to do?
Focus on control and mechanical components:
• FR control valve malfunction: Clean the flow feedback sensor (avoid using sharp tools) and calibrate the control knob (mark 0-100% positions for reference)
• Swashplate jamming: Contamination often causes this--drain the system oil, clean the tank with solvent, and refill with filtered oil (NAS 9 class)
• Motor speed instability: For variable-speed motors, check the frequency converter output (fluctuation ≤1 Hz); for fixed-speed motors, verify voltage stability (±5% of rated voltage)
• FR control valve malfunction: Clean the flow feedback sensor (avoid using sharp tools) and calibrate the control knob (mark 0-100% positions for reference)
• Swashplate jamming: Contamination often causes this--drain the system oil, clean the tank with solvent, and refill with filtered oil (NAS 9 class)
• Motor speed instability: For variable-speed motors, check the frequency converter output (fluctuation ≤1 Hz); for fixed-speed motors, verify voltage stability (±5% of rated voltage)
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Company
Xiamen Lang Ye Hydraulic Electromechanical Equipment Co., Ltd
Location
Xia'Men City, China
Contact Person
zixin