28 VQH Series Cartridge Kits
Green Hydraulic
Yes
ISO9001,CE
Standard
1 set
Right hand or Left hand
1. Industrial Hydraulic Systems 2. Mobile Equipment (Industrial Vehicles) 3. Construction and Engineering Machinery 4. Metallurgy Industry
Key Shaft and Teeth Shaft
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Product Description
The 28 VQH Series Cartridge Kits are precision-engineered components for VQH hydraulic vane pumps, designed to maintain optimal pump performance in industrial and mobile hydraulic systems. Each kit includes pistons, springs, and seals manufactured to exact tolerances, ensuring minimal internal leakage, stable pressure output, and consistent volumetric efficiency under high-load conditions.

Precision Engineered Components – Manufactured to exact tolerances for optimal fit and reliable pump operation.
High-Quality Materials – Wear-resistant metals and durable seals for extended service life.
Optimized Hydraulic Performance – Ensures stable pressure, consistent flow, and reduced internal leakage.
Easy Installation – Modular design simplifies replacement and reduces system downtime.
Wide Compatibility – Designed for all standard 28 VQH series vane pumps.
Enhanced Efficiency: Maintains consistent volumetric output under varying load conditions.
Reduced Maintenance Costs: Long-lasting components minimize repairs and downtime.
Improved System Reliability: Stable performance ensures smooth operation of hydraulic machinery.
Noise & Vibration Reduction: Optimized design reduces operational noise and pulsation.
Cost-Effective Solution: Ideal for both OEM and retrofit hydraulic pump maintenance.
1. Industrial Hydraulic Systems
2. Mobile Equipment
3. Construction and Engineering Machinery
4. Metallurgy and Steel Industry
5. Marine and Offshore Equipment

Vane 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.

| F3 | -28VQ | -22 | -10 | -R |
| Series | Flow code | Design number | Rotation(Viewed from cover enf of pump) | |
| F3:Fluoro rubber seals No stander seals | 28VQH | 19 22 | 22 | R-right hand for clockwise L-left hand for clockwise |
All vane 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.

| Series | Flow code | Geometric displacement ml/r | Max.speed (Mpa) | Max.pressure (Mpa) | Max.speed (rpm) |
| 28VQH | 19 | 60 | 24 | 26.5 | 2500 |
| 22 | 70 | 24 | 26.5 | 2500 |
We are a manufacture for vane pumps。.We are located in Changzhou City, Jiangsu Province, China.Welcome to visit us.
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.
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.

