SPG2 Series
Green Hydraulic
SPG2 Series
Standard export carton/plywood case
Yes
ISO9001,CE
1. Industrial Hydraulic Systems 2. Mobile Equipment 3. Agricultural Machinery 4. Material Handling Vehicles
1. Industrial Hydraulic Systems 2. Mobile Equipment 3. Agricultural Machinery 4. Material Handling Vehicles
Key Shaft and Spline shaft
1 set
| Availability: | |
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Product Description
SPG2 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.

High-Efficiency Internal & External Gear Design
Adopts advanced internal and external gear structure to provide stable flow output, high volumetric efficiency, and smooth hydraulic transmission.
Low Noise & Low Pulsation Operation
Optimized gear engagement design effectively reduces operating noise and pressure pulsation, ensuring stable and quiet system performance.
Compact Structure & Flexible Installation
Compact and lightweight construction allows easy installation and integration into various hydraulic systems and mobile equipment.
Wide Speed Range & Stable Performance
Maintains reliable working performance under different speed and pressure conditions, suitable for industrial and mobile hydraulic applications.
Durable Construction & Long Service Life
Precision-machined components and high-strength materials provide excellent wear resistance, stable operation, and extended service life.
Specifications

| Model | Displacement (mL/r) | Pressure (MPa) Rated / Max | Speed (r/min) Min / Max | Weight (kg) |
|---|---|---|---|---|
| SGP1-20 | 20 | 24.5 / 29.4 | 400 / 3000 | 4.9 (4.4) |
| SGP1-23 | 23 | 24.5 / 29.4 | 400 / 3000 | 5.1 (4.6) |
| SGP1-25 | 25 | 24.5 / 29.4 | 400 / 3000 | 5.3 (4.8) |
| SGP1-27 | 27 | 24.5 / 29.4 | 400 / 3000 | 5.4 (4.9) |
| SGP1-32 | 32 | 24.5 / 29.4 | 400 / 3000 | 5.7 (5.1) |
| SGP1-36 | 36 | 24.5 / 29.4 | 400 / 3000 | 5.9 (5.3) |
| SGP1-40 | 40 | 22.6 / 27.5 | 400 / 3000(2500) | 6.1 (5.4) |
| SGP1-44 | 44 | 20.6 / 24.5 | 400 / 3000(2500) | 6.3 (5.6) |
| SGP1-48 | 48 | 18.6 / 22.6 | 400 / 3000(2500) | 6.6 (5.9) |
| SGP1-52 | 52 | 17.2 / 20.6 | 400 / 3000(2500) | 6.8 (6.1) |

Applications
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.
Factory&FAQ

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.
1. What is the SPG2 Series Internal And External Gear Pump?
The SPG2 Series is a high-efficiency gear pump designed for hydraulic systems requiring stable oil flow, compact structure, and reliable operation in industrial and mobile equipment.
2. What makes the SPG2 Series different from standard gear pumps?
Efficient Performance: Precision gear design provides smooth flow and reduced pulsation.
Compact & Durable: Strong housing structure ensures long service life under continuous operation.
Wide Application Range: Suitable for industrial machinery, construction equipment, and agricultural systems.
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 20 MPa (≈ 2900 PSI).
Maximum Pressure: Up to 25 MPa (≈ 3600 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:
Minimum Speed: 600 RPM
Recommended Speed: 800–2500 RPM
Maximum Speed: Up to 3000 RPM depending on displacement and working conditions.
Yes, we support OEM and customization, including nameplate, packaging, and specific performance requirements. Send us your drawings or specifications for evaluation.
Please provide the following details:
Model or displacement
Working pressure
Speed
Quantity
We will reply within 12 hours with a competitive quotation.
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.
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.
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.
Of course we can. Just send me your logo we can make it for you.
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.