A21VG A22VG A24VG Series Axial Piston Variable Pump OVERVIEW

Features and Benefits

• Heavy-duty cast iron housing, strong anti-shock capacity, long service life under continuous heavy load.

• Rated pressure up to 380 bar, peak pressure reaches 420–450 bar, stable high-pressure output.

• Multiple control options: mechanical control, hydraulic proportional control and electric proportional control.

• Low internal leakage, excellent volumetric efficiency even under long-hour continuous operation.

• Fully consistent mounting flange, spline shaft and port size with original pump, plug-and-play without modification.

Specifications of A21VG A22VG A24VG Series Axial Piston Variable

Applications

Packaging & Delivery

A21VG A22VG A24VG Series Axial Piston Variable Pump are typically packaged securely to prevent damage during transit. The packaging includes:

Protective Wrapping: To safeguard the pump from environmental damage.

Custom Crates: For larger, heavier pumps, ensuring safe handling.

Documentation: Includes installation, maintenance instructions, and warranty details.

Delivery time depends on the model, customizations, and location but typically ranges from 2 to 6 weeks from the order date.

A21VG A22VG A24VG Series Axial Piston Variable Pump FAQ:

1. What is the A21VG A22VG A24VG Series Axial Piston Variable Pump ?

This pump adopts high-strength ductile cast iron housing with solid internal components.It has low internal leakage and high volumetric efficiency under continuous heavy load.Multiple control options are available, and the installation dimensions fully match Rexroth original pumps for direct replacement without modification.High pressure resistance and stable performance make it ideal for closed-circuit walking machinery.

3. What is the working pressure range of A21VG A22VG A24VG Series Axial Piston Variable Pump ?

• The nominal continuous working pressure is 420 bar (6090 PSI).
  

• The intermittent peak pressure can reach 450 bar (6527 PSI).
  The minimum stable working pressure is 25 bar on the high-pressure side.

4. Can A21VG A22VG A24VG Series Axial Piston Variable Pump replace other brands?

5. What hydraulic oil is recommended for A21VG A22VG A24VG Series Axial Piston Variable Pump ?

We recommend anti-wear mineral hydraulic oil with grade ISO VG 46 or ISO VG 68.
The operating kinematic viscosity should be kept between 16–40 mm²/s.
Strictly control oil cleanliness to protect pistons and valve plates and extend pump service life.

6. What is the typical speed range of A21VG A22VG A24VG Series Axial Piston Variable Pump ?

• Rated continuous speed: 3300 rpm

Limited continuous speed: 3550 rpm

Intermittent peak speed: 3800 rpm

Minimum stable working speed: 500 rpm

Recommended normal operating range: 800 ~ 3300 rpm

7. Do you provide OEM or customized services?




• Yes, we provide complete OEM and customization services.We can print your brand logo on the pump housing and nameplate.We also customize splined shafts, oil port positions, control forms and outer packing according to your requirements.

8. How can I get a quotation quickly

Please provide the following details:

• Model or displacement

• Working pressure

• Speed

• Quantity
  We will reply within 12 hours with a competitive quotation.

  
  

Certifications & Quality Assurance

A21VG A22VG A24VG Series Axial Piston Variable Pump are manufactured in compliance with international standards, ensuring high performance and reliability:

ISO 9001: Certified for quality management systems.

CE Certification: Ensures compliance with European safety, health, and environmental protection standards.

RoHS Compliance: Ensures the pump does not contain hazardous materials.

Factory Testing: Every pump is rigorously tested for performance, pressure, and leak integrity before shipping.

FAQ

1.What's our advantages?

Factory established in 2005;

With a great deal of production experience;

80+ employees become the professional team;

Constant updated ERP system ensure efficiency of work;

Sophisticated equipment ehanced the accuracy of products;

Professional salesmen provide the greast service;

With a large number of famous customers all over the world;

Great after-sales service;

With the long term cooperation with famous logistics and express company in China,provide the better goods service.

2.What is your payment terms?

Small order/sample order,full payment in advance; Big orders send the first payment 30% before the production,and the balance before shippment.We'll show the photos of the products and packages before delivery.

3.Can you make my own brand on the products?

Of course we can. Just send me your logo  we can make it for you.

4.What is our main export market?

America(40.5%):USA, Canada, Argentina, Brazil

Europe(30.8%):Italy,Germany,England,Holland,Spain,Swiss,Finland,Russia,Poland.

Asia(23.5%):Korea,singapore,India,Turkey,Vietnam,Saudi Arabia,Syria, Israel,Lebanon.

Others(5.8%).

The Green hydraulic pump manufacturing facility is a specialized industrial plant that focuses on producing hydraulic pumps and related components. These factories are equipped with advanced machinery and technology to fabricate high-quality pumps designed for a wide range of applications, from heavy equipment and machinery to automotive and industrial systems.

The production process typically involves precision engineering, where raw materials like metals and alloys are processed into pump components such as gears, pistons, cylinders, and seals. These parts are then assembled into fully functional hydraulic pumps, which are tested for performance and quality control to ensure reliability, efficiency, and durability under various working conditions.