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Rexroth A4VSO Hydraulic Pump 280 Bar High Pressure Variable Pump

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Rexroth A4VSO Hydraulic Pump 280 Bar High Pressure Variable Pump

Rexroth A4VSO Hydraulic Pump 280 Bar High Pressure Variable Pump
Rexroth A4VSO Hydraulic Pump 280 Bar High Pressure Variable Pump
Rexroth A4VSO Hydraulic Pump 280 Bar High Pressure Variable Pump Rexroth A4VSO Hydraulic Pump 280 Bar High Pressure Variable Pump Rexroth A4VSO Hydraulic Pump 280 Bar High Pressure Variable Pump

Large Image :  Rexroth A4VSO Hydraulic Pump 280 Bar High Pressure Variable Pump

Product Details:
Place of Origin: German
Brand Name: Rexroth
Certification: ISO
Model Number: A4VSO71EO2/30R-PPB13N00 A4VSO71EO1/30R-VPB25N00 A4VSO71EO1/30R-VZB13N00 A4VSO71EO1/30R-PZB13N00 A4VSO71EO1/30R-VPB13N00
Payment & Shipping Terms:
Minimum Order Quantity: 1
Price: 2
Packaging Details: wooden box
Delivery Time: 2 weeks
Payment Terms: MoneyGram,T/T,Western Union,D/P,D/A,L/C
Supply Ability: 100
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Rexroth A4VSO Hydraulic Pump 280 Bar High Pressure Variable Pump

Description
Control: Hydraulic Proportional Control Or Electric Proportional Control Warranty: One Year
Oil: Mineral Oil Or Synthetic Oil Pressure Rating: 280 Bar
Rotation: Clockwise Or Counter-clockwise Seal: Nitrile Rubber Or Fluoro Rubber
Drive Mode: 6-250m3 Temperature: -20°C To 80°C
Factory: Manufacturer Maximum Pressure: 315 Bar
Highlight:

Rexroth A4VSO hydraulic pump

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high pressure hydraulic pump 280 bar

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variable displacement hydraulic pump

A4VSO71EO2/30R-PPB13N00 A4VSO71EO1/30R-VPB25N00 A4VSO71EO1/30R-VZB13N00 A4VSO71EO1/30R-PZB13N00 A4VSO71EO1/30R-VPB13N00
Piston pump, German Rexroth industrial high-pressure variable pump
Product Description

High-performance piston pump designed for industrial hydraulic systems, featuring variable displacement and high-pressure operation.

Working principle: Hydraulic Piston Pump Purpose: Hydraulic system
Series: Single level Material: Cast iron
Scope of application: Construction machinery Applicable Medium: Hydraulic oil-water ethylene glycol
Applicable temperature (℃): 30-90 Nominal pressure (MPa): 32MPA
Stock availability: YES Installation form: Flange coupling
Rated flow rate: 12 Brand: Rexroth
Package: Wooden crate Whatsapp: +85267220981
Email: Yli97584@gmail.com
Rexroth A4VSO Hydraulic Pump 280 Bar High Pressure Variable Pump 0
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Frequently Asked Questions
How does the DR Pressure Control (Pressure Cut-Off) work?

The DR control maintains a constant system pressure by changing the swashplate angle. When the system pressure reaches the spring-set value on the DR valve, the control mechanism acts to reduce the pump's displacement, delivering only the flow required to maintain the set pressure. This functionality is sometimes referred to as "Pressure Cut-Off" in some pump literature. It's important to note that a system safety valve is still essential because the DR control's response is relatively slow compared to sudden pressure shocks; the safety valve handles transient pressure spikes.

What is the difference between DRG and DP control types?

Both DRG and DP are forms of constant pressure control, but they are designed for different applications:

  • DRG (Remote Pressure Control): Allows the pressure setpoint for the pump to be adjusted remotely via an external pressure control valve.
  • DP (Multi-Pump Parallel Pressure Control): Specifically designed for systems where multiple pumps work in parallel. It contains an additional element (a variable orifice, valve 5) that mechanically links to the swangle. This design automatically compensates for differences between pumps, ensuring they share the load equally and operate at the same swashplate angle when working together at the set pressure. The DP control has a larger control deviation (~6.5 bar) compared to DRG (~3 bar).
Why might multiple A4VSO DR pumps in parallel cause system vibration?

When multiple pumps with standard DR controls are set to the same pressure and run in parallel, slight inherent differences in their response characteristics and pressure settings can cause them to not reduce displacement (cut off) at exactly the same time and rate. This lack of synchronization can lead to interactions between the pumps, resulting in pressure fluctuations and potentially causing severe pipeline vibration.

What are the key specifications of the A4VSO series?
  • Common Displacement Specifications (ml/rev): 40, 71, 125, 180, 250, 355, 500, 750
  • Nominal Pressure: 350 bar
  • Peak Pressure: 400 bar
  • Bearing: Features a specially designed, long-life, high-precision full roller bearing
  • Shaft: Through-shaft design allows for mounting additional pumps to form a multi-pump group

For more information about this product, please contact us via WhatsApp at +85267220981 or email at Yli97584@gmail.com.

Tag:

rexroth piston,

axial piston pump,

electric piston pump

Contact Details
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Contact Person: Mr. liyun

Tel: +8615280488899

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