HGP-3A Series Gear Pump Hyd Gear Pump

The HGP-3A Series Gear Pump

Features and Benefits

• High Volumetric Efficiency

• The pump adopts automatic axial and radial clearance compensation technology to maintain stable efficiency during long-term operation.

• Low Noise Design

• Precision gear machining and optimized internal structure significantly reduce vibration and operating noise.

• High Pressure Capability

• Maximum operating pressure can reach up to 250 kgf/cm² (3500 psi), making it suitable for demanding hydraulic applications.

• Compact & Lightweight Structure

• The high-strength aluminum alloy housing ensures lightweight construction while maintaining excellent durability and heat dissipation.

• Long Service Life

• High-performance DU bearings and hardened alloy steel gears improve wear resistance and ensure stable operation under high-speed and high-pressure conditions.

• Flexible Configuration Options

• Available with multiple shaft types, flange standards, mounting methods, and port connections to meet different hydraulic system requirements.

• Stable Hydraulic Performance

• Precision gear transmission minimizes pressure fluctuation and provides smooth hydraulic output.

Model Codes

HGP-3A Series Gear Pump Installation Dimensions

gear pump.pdf

Applications

• Construction machinery

• Excavators

• Loaders

• Cranes

• Road machinery

• Agricultural machinery

• Tractors

• Harvesters

• Forestry equipment

• Industrial hydraulic systems

• Hydraulic power units

• Press machines

• Machine tools

• Material handling equipment

• Forklifts

• Lift platforms

• Industrial vehicles

• Mining machinery

• Textile machinery

• Transportation and lifting equipment

Packaging & Delivery

HGP-3A Series Gear 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.

HGP-3A Series Gear Pump FAQ

1. What type of pump is the HGP-3A series?

The HGP-3A is a fixed-displacement external hydraulic gear pump designed for hydraulic transmission and power systems.

2. What displacement options are available?

The HGP-3A series offers multiple displacement options ranging from 4 cc/rev to 35 cc/rev to satisfy different flow requirements.

3. What is the maximum operating pressure?

The maximum operating pressure can reach 250 kgf/cm² (3500 psi), depending on the specific model.

4. What mounting options are available?

The pump supports flange mounting and foot mounting, with SAE 2-bolt, DIN 4-bolt, and European 4-bolt flange standards available.

5. Does the pump support different shaft types?

Yes. Straight shaft, spline shaft, and taper shaft configurations are available for different applications.

6. What industries commonly use the HGP-3A gear pump?

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

7. What are the installation requirements for VVS pumps

Standard mounting: ISO 3019/2 or SAE flange

Rotation direction: right-hand (clockwise)

No radial or axial load should be applied to the shaft

Proper installation is critical for performance and durability.

8. What applications are VVS variable vane pumps commonly used in

They are widely used in:

CNC machine tools

Injection molding machines

Hydraulic power units

Industrial automation systems

Press machinery

Certifications & Quality Assurance

HGP-3A Series Gear 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.How does the variable displacement work?

The pump's flow is adjusted by changing the angle of an internal swash plate. As the swash plate angle changes, the stroke length of the pistons varies, which in turn changes the volume of fluid displaced per rotation, allowing the flow rate to adapt to the system's needs.

2.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.

3.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.

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

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

5.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.