SPG2 Series Internal And External Gear Pump

SPG2 Series Internal And External Gear Pump Overview

SPG2 series internal and external gear pumps feature compact structure, stable flow and low noise. Boasting high efficiency and reliable pressure resistance, they deliver long service life and easy maintenance. Widely applicable to construction machinery, forklifts and industrial hydraulic systems.

Features and Benefits

• High-Efficiency Internal & External Gear Design

  Features advanced internal/external gear structure, delivering stable flow, high volumetric efficiency and smooth hydraulic power transmission.
• Low Noise & Low Pulsation Operation

  Optimized gear meshing reduces noise and pressure pulsation significantly, ensuring quiet and stable system performance.
• Compact Structure & Flexible Installation

  Lightweight, compact build enables easy installation and seamless integration into various hydraulic systems and mobile equipment.
• Wide Speed Range & Stable Performance

  Maintains reliable operation across varying speed and pressure conditions, ideal for both industrial and mobile hydraulic applications.
• Durable Construction & Long Service Life

  Precision-machined components and high-strength materials offer excellent wear resistance, ensuring stable operation and extended lifespan.
• Easy Maintenance & High Cost-Effectiveness

  Standardized parts and simplified structure lower maintenance difficulty and downtime, reducing overall operating costs.

Model Codes

gear pump.pdf

Applications

The SPG2 Series Internal And External Gear Pump delivers stable and efficient hydraulic power for industrial and mobile hydraulic systems requiring reliable performance, compact structure, and continuous operation:

• Construction Machinery: Suitable for excavators, loaders, cranes, and road equipment, providing dependable hydraulic power for working systems.

• Agricultural Equipment: Widely used in tractors, harvesters, and irrigation machinery for steering, lifting, and auxiliary hydraulic applications.

• Industrial Machinery: Applied in hydraulic presses, machine tools, and automated production systems requiring smooth and consistent hydraulic flow.

• Material Handling Systems: Ideal for forklifts, lifting platforms, and warehouse equipment, ensuring efficient hydraulic operation under heavy-duty conditions.

• Mobile Hydraulic Vehicles: Installed in dump trucks, garbage trucks, and service vehicles to operate tipping, lifting, and auxiliary hydraulic functions.

• Hydraulic Power Units: Suitable for hydraulic stations and compact power packs where durability, low noise, and stable pressure are required.

Packaging & Delivery

SPG2 Series Internal And External Gear Pumps 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.

SPG2 Series Internal And External Gear Pump FAQ:

1. What is the SPG2 Series Internal And External Gear Pump?

SPG2 series internal and external gear pumps feature compact structure, stable flow and low noise. Boasting high efficiency and reliable pressure resistance, they deliver long service life and easy maintenance. Widely applicable to construction machinery, forklifts and industrial hydraulic systems.

2. What makes the SPG2 Series different from standard gear pumps?

• Higher Efficiency: The hybrid gear design delivers superior volumetric efficiency and stable flow, reducing energy waste.

• Quieter Operation: Optimized gear meshing minimizes noise and pressure pulsation, outperforming standard pumps in noise-sensitive environments.

• Flexible Integration: Compact, lightweight construction fits seamlessly into diverse hydraulic systems and mobile equipment.

• Enhanced Durability: Precision-machined components and robust materials extend service life, lowering long-term maintenance costs.
  
  

3. What is the working pressure range of SPG2 Series pumps?

The SPG2 Series is suitable for medium and high-pressure hydraulic systems:

• Continuous Pressure: Up to 16 MPa (≈ 2320 PSI).

• Maximum Pressure: Up to 21 MPa (≈ 3000 PSI).
  It performs reliably in demanding hydraulic applications.

  
  

4. Can SPG2 Series pumps replace other brands?

Yes, the SPG2 Series can replace many standard internal and external gear pumps, including:

• Parker Gear Pumps

• Rexroth Gear Pumps

• Shimadzu Gear Pumps
  Please verify mounting size, shaft type, and displacement before installation.

  
  

5. What hydraulic oil is recommended for SPG2 Series pumps?

To ensure stable operation and durability:

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

• Viscosity: ISO VG32–VG68 recommended.

• Filtration: Clean hydraulic oil is essential to reduce wear and improve pump life.

  
  

6. What is the typical speed range of SPG2 Series pumps?

The SPG2 Series supports flexible operating speeds:

• Rated Speed Range: 600–3000 rpm

• Recommended Continuous Speed: ≤ 2500 rpm

• Operating Tip: Avoid sustained speeds above the rated range to prevent excessive wear and overheating.
  
  

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

SPG2 Series Internal And External Gear Pumps 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.

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.