Features and Benefits

• Heavy-Duty Cast Iron Construction:
The G5 series utilizes high-strength cast iron housings and covers, providing superior structural rigidity and durability under continuous high-pressure operating conditions.

• Precision Gear Design:
Precision-machined gears and optimized internal clearances ensure smooth hydraulic oil delivery, reduced internal leakage, and stable volumetric efficiency during continuous operation.

• Reliable High-Pressure Performance:
The G5 series is engineered for demanding hydraulic systems, delivering stable medium and high-pressure hydraulic performance with reliable continuous oil flow.

• Low Noise and Smooth Operation:
Optimized gear profiles and balanced hydraulic structures help minimize operating vibration and noise while improving overall hydraulic efficiency.

• Flexible Installation Configurations:
The G5 series offers multiple displacement options, shaft configurations, flange standards, and port arrangements for flexible installation across various hydraulic systems and mobile equipment applications.

• Extended Service Life:
Durable bearings, reinforced internal components, and high-quality manufacturing processes help improve wear resistance and ensure long-term operational reliability in demanding working environments.

Technical Data

gear pump.pdf

Applications

The VG5 Series provides reliable hydraulic performance for industrial and mobile hydraulic systems requiring stable oil flow, compact structure, and continuous medium-pressure operation:

• Industrial Hydraulic Systems: Ideal for hydraulic power units, presses, machine tools, and automated production equipment requiring stable hydraulic performance and efficient oil delivery.

• Mobile Equipment: Widely used in utility vehicles, compact loaders, lifting platforms, and mobile hydraulic systems requiring dependable hydraulic power transmission.

• Agricultural Machinery: Suitable for tractors, harvesters, sprayers, and hydraulic implement systems operating under continuous field working conditions.

• Construction Machinery: Commonly applied in compact construction equipment, road maintenance machinery, and auxiliary hydraulic systems requiring reliable hydraulic operation.

• Material Handling Equipment: Frequently installed in forklifts, stackers, lifting equipment, and warehouse hydraulic systems requiring smooth lifting and steering performance.

• Hydraulic Transport Equipment: Suitable for hydraulic transport systems, tail lifts, and mobile service equipment requiring compact installation and stable hydraulic output.

Packaging & Delivery

Protective Wrapping: Prevents dust, moisture, and external damage during transit.

Reinforced Cartons or Wooden Crates: Used for safe handling and protection of heavy-duty cast iron pumps during transportation.

Documentation: Includes product specifications, installation instructions, maintenance guidance, and warranty information.

Delivery time depends on model specifications, order quantity, and destination, typically ranging from 2 to 6 weeks after order confirmation.

VG5 Series Hydraulic Gear Pump FAQ:

1. What is the VG5 Series Hydraulic Gear Pump?

The VG5 Series is a heavy-duty external hydraulic gear pump designed for medium and high-pressure hydraulic systems requiring stable oil flow, reliable efficiency, and long service life in demanding operating conditions.

2. What makes the VG5 Series different from standard gear pumps?

• Heavy-Duty Cast Iron Construction: High-strength cast iron housing provides superior rigidity and durability under continuous high-pressure operation.

• Stable Hydraulic Output: Precision-machined gears ensure smooth and efficient hydraulic oil delivery with reduced internal leakage.

• Low Noise Operation: Optimized gear profile and internal structure help minimize vibration and operating noise.

3. What is the working pressure range of VG5 Series pumps?

The VG5 Series is suitable for medium and high-pressure hydraulic systems:

• Continuous Pressure: Up to 21 MPa (≈ 3045 PSI).

• Maximum Pressure: Up to 23 MPa (≈ 3335 PSI).

It is widely used in construction machinery, agricultural equipment, material handling systems, and industrial hydraulic applications.

4. Can VG5 Series pumps replace other brands?

Yes, the VG5 Series can replace many compatible hydraulic gear pumps, including:

• Vickers Hydraulic Gear Pumps

• Parker Hydraulic Gear Pumps

• Commercial Hydraulic Gear Pumps

• Other compatible cast iron gear pump models

Please verify mounting dimensions, shaft type, displacement, and rotation direction before replacement.

5. What hydraulic oil is recommended for VG5 Series pumps?

For reliable performance and extended service life:

• Oil Type: Anti-wear hydraulic oil (AW type).

• Viscosity: ISO VG32–VG68 recommended.

• Filtration: Clean hydraulic oil helps reduce internal wear and improve durability.

6. What is the typical speed range of VG5 Series pumps?

The VG5 Series supports reliable operating conditions:

• Minimum Speed: 600 RPM

• Recommended Speed: 800–2000 RPM

• Maximum Speed: Up to 3600 RPM depending on displacement size, inlet conditions, and hydraulic oil viscosity.

7. Do you provide OEM or customized services?

Yes, we support OEM and customization, including nameplate, packaging, and specific performance requirements. Send us your drawings or specifications for evaluation.

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

VG5 Series Hydraulic Gear Pumps are manufactured in compliance with international standards, ensuring reliable hydraulic performance, stable efficiency, and long service life under demanding operating conditions:

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.

Green Hydraulic's manufacturing facilities for hydraulic pumps maintain stringent quality standards, often adhering to international certifications, to meet the expectations of customers in industries such as construction, agriculture, automotive, and manufacturing.

All hydraulic pumps produced by Green Hydraulic have undergone compliance testing, ensuring their quality and reliability.

To meet the diverse needs of different industries, the green hydraulic offer customization options, such as specialized seals, materials, and pump configurations. These facilities often work closely with engineering teams to develop tailored solutions for specific applications, from high-pressure systems to low-flow, high-efficiency pumps.

Each pump undergoes a rigorous quality control process, where pressure tests and performance assessments are conducted to ensure that the pumps meet the required standards for flow rate, pressure capacity, and durability.