SPG1 Series Internal And External Gear Pump

SPG1 Series Internal And External Gear Pump Overview

SPG1 Series Internal And External Gear Pumps are developed by our company and American Albert Fluid Power Co., LTD. (Ningbo NVICKS Hydraulic Co.,LTD., a wholly owned subsidiary; short for ABT) , cooperated with Zhejiang University . They're high performance internal gear pumps. The technology on the basis of the introduction of Germany to be improved,and we introduced a number of foreign advanced production and testing equipments, to make a pump of high pressure, low noise and low pulse.
Our company has independent intellectual property rights and National Innovation Fund support, widely used in rubber and plastic, die casting, shoe leather, forging, extrusion, bending, plate Shearing machinery and other servo hydraulic system.

Features and Benefits

• Integrated Internal & External Gear Structure
  Combines the advantages of internal and external gear pump technology, providing stable flow output, smooth operation, and high transmission efficiency.

• Low Noise & Stable Performance
  Optimized gear profile design effectively reduces operating noise and pressure pulsation, ensuring quiet and stable hydraulic system performance.

• Compact Structure & Easy Installation
  Compact and lightweight design allows convenient installation in various hydraulic equipment with reduced maintenance requirements.

• Wide Application Range
  Suitable for construction machinery, industrial hydraulic systems, agricultural equipment, and mobile hydraulic applications.

• Reliable Operation & Long Service Life
  Manufactured with high-strength materials and precision machining technology, offering excellent wear resistance and long-term operational reliability.

Model Codes

gear pump.pdf

Applications

The SPG1 Series Internal And External Gear Pump provides efficient and reliable hydraulic performance for a wide range of industrial and mobile hydraulic systems requiring stable pressure and compact installation:

• Construction Machinery: Suitable for excavators, loaders, and compact construction equipment, providing smooth hydraulic power for working and steering systems.

• Agricultural Equipment: Widely used in tractors, seeders, and harvesting machinery for lifting, steering, and auxiliary hydraulic functions.

• Industrial Hydraulic Systems: Applied in hydraulic presses, machine tools, and automation equipment requiring continuous and stable oil flow.

• Material Handling Equipment: Ideal for forklifts, stackers, and lifting platforms, ensuring reliable hydraulic operation under different load conditions.

• Mobile Hydraulic Vehicles: Commonly installed in dump trucks, sanitation vehicles, and utility trucks to support tipping and hydraulic control systems.

• Hydraulic Power Units: Suitable for compact hydraulic stations and power packs where low noise, durability, and easy maintenance are important. 

Packaging & Delivery

SPG1 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.

SPG1 Series Internal And External Gear Pump FAQ:

1. What is the QT Series Hydraulic Pump Gear Shaft Gear Pump?

The QT Series is a high-performance external gear pump designed for hydraulic systems requiring stable flow, compact structure, and reliable operation in industrial and mobile applications.

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

• Stable Performance: Precision gear shaft design ensures smooth oil delivery and reduced pulsation.

• Compact Structure: Lightweight and compact housing allows easy installation in limited spaces.

• Durable Construction: High-strength materials provide long service life under continuous operation.

  
  

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

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

• Continuous Pressure: Up to 20 MPa (≈ 2900 PSI).

• Maximum Pressure: Up to 25 MPa (≈ 3600 PSI).
  It is widely used in construction machinery, agricultural equipment, and industrial hydraulic systems.

  
  

4. Can QT Series pumps replace other brands?

Yes, the QT Series can be used as a replacement for many standard external gear pumps, including:

• Parker Gear Pumps

• Rexroth External Gear Pumps

• Shimadzu Gear Pumps
  Please verify mounting dimensions, shaft type, and displacement before replacement.

  
  

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

For best performance and durability:

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

• Viscosity: ISO VG32–VG68 recommended.

• Filtration: Keep hydraulic oil clean to reduce internal wear and extend pump life.

  
  

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

The QT Series supports a wide operating speed range:

• Minimum Speed: 600 RPM

• Recommended Speed: 800–2500 RPM

• Maximum Speed: Up to 3000 RPM depending on displacement and working conditions.

  
  

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

SPG1 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.