P330 Series Gear Pump overview
The P330 Series Gear Pump is a heavy‑duty, fixed‑displacement external gear hydraulic pump designed for demanding mobile and industrial applications. It features a robust cast‑iron construction with precision internal gears and bearings, delivering high pressure capability (up to ~241 bar / 3500 psi) and reliable performance over a wide speed range (up to ~3000 rpm). Available in a variety of displacements and standard SAE mounting and shaft options, the P330 is suitable for single, tandem or multiple pump configurations, making it adaptable for integration into diverse hydraulic systems. Widely used in sectors such as construction machinery, material handling, agriculture and heavy vehicles, this series provides stable flow, durability and versatility for continuous hydraulic power demands.
Key Features
Fixed‑displacement external gear design for consistent, stable flow output.
Heavy‑duty cast iron construction for strength and long service life.
Precision‑machined gears and internal components for smooth and efficient operation.
Wide range of displacement options to match various flow requirements.
Standard SAE mounting flanges and multiple shaft configurations for easy integration.
Available in single, tandem, and multi‑section configurations to support complex hydraulic systems.
Bi‑directional rotation options on select models.
High pressure and speed capability, suitable for demanding hydraulic workloads.
Advantages
Reliable and stable performance under continuous operation.
Excellent durability and wear resistance in heavy‑duty environments.
High volumetric and mechanical efficiency with reduced internal leakage.
Flexible installation and system design, thanks to modular configurations.
Easy service and maintenance with widely available parts.
Broad application compatibility — ideal for construction equipment, agricultural machinery, industrial power units, heavy vehicles, and municipal machinery.
Application
1. Industrial Hydraulic Systems
2. Mobile Equipment
3. Construction and Engineering Machinery
4. Metallurgy and Steel Industry
5. Marine and Offshore Equipment
Packaging & Delivery
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.
| CODE | 05 | 06 | 07 | 10 | 12 | 15 | 17 | 20 |
| Gear Wodth | 1/2" | 5/8" | 3/4" | 1" | 1-1/4" | 1-1/2" | 1-3/4" | 2" |
| Theoretlcal Displacement | 0.99 | 1.23 | 1.48 | 1.97 | 2.46 | 3.96 | 3.45 | 3.94 |
| 16.1 | 20.2 | 24.2 | 32.3 | 40.4 | 48.4 | 56.5 | 64.6 |
| Max Pressure Continuous | 3500 | 3500 | 3500 | 3500 | 3500 | 3500 | 3250 | 3000 |
| 245 | 245 | 245 | 245 | 245 | 245 | 225 | 210 |
| Max Pressure Intermittent | 4000 | 4000 | 4000 | 4000 | 4000 | 3850 | 3500 | 3300 |
| 275 | 275 | 275 | 275 | 275 | 265 | 245 | 225 |
| Speed RPM | 400-3000 |
Certifications & Quality Assurance
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.
| Speed RPM | Gear width Output(gpm/lpm)and Inches(HP/KW) |
| 1/2" | 3/4" | 1" | 1-1/4" |
| 245bar | 245bar | 245bar | 245bar |
| Flow | Power | Flow | Power | Flow | Power | Flow | Power |
| 900 | 12 | 6 | 19 | 10 | 26 | 13 | 33 | 16 |
| 3.2 | 9 | 5.1 | 13 | 7 | 17 | 8.8 | 21 |
| 1200 | 17 | 8 | 26 | 13 | 36 | 17 | 45 | 21 |
| 4.5 | 11 | 7 | 17 | 9.5 | 23 | 12 | 28 |
| 1500 | 22 | 11 | 34 | 16 | 46 | 21 | 57 | 26 |
| 5.8 | 14 | 8.9 | 21 | 12.1 | 28 | 15.2 | 35 |
| 1800 | 27 | 13 | 41 | 19 | 55 | 25 | 70 | 32 |
| 7.1 | 17 | 10.8 | 26 | 14.7 | 34 | 18.4 | 43 |
| 2100 | 32 | 15 | 48 | 22 | 65 | 30 | 82 | 37 |
| 8.4 | 20 | 12.7 | 30 | 17.2 | 40 | 21.6 | 50 |
| 2400 | 36 | 17 | 55 | 25 | 75 | 34 | 94 | 42 |
| 9.6 | 23 | 14.7 | 34 | 19.8 | 45 | 24.8 | 57 |
| 3000 | 46 | 21 | 70 | 32 | 94 | 42 | 118 | 53 |
| 12.2 | 28 | 18.5 | 43 | 24.9 | 57 | 31.2 | 71 |
| Speed RPM | Gear width Output(gpm/lpm)and Inches(HP/KW) |
| 1-1/2" | 1-3/4" | 2" |
| 225bar | 220bar | 175bar |
| Flow | Power | Flow | Power | Flow | Power |
| 900 | 40 | 19 | 47 | 21 | 54 | 22 |
| 10.6 | 26 | 12.4 | 28 | 14.3 | 29 |
| 1200 | 55 | 25 | 64 | 25 | 73 | 29 |
| 14.5 | 34 | 16.9 | 37 | 19.4 | 39 |
| 1500 | 69 | 32 | 81 | 34 | 93 | 36 |
| 18.3 | 43 | 21.4 | 46 | 24.5 | 49 |
| 1800 | 84 | 38 | 98 | 41 | 112 | 44 |
| 22.1 | 51 | 25.9 | 55 | 29.6 | 58 |
| 2100 | 98 | 44 | 115 | 48 | 131 | 51 |
| 26 | 60 | 30.3 | 65 | 34.7 | 68 |
| 2400 | 113 | 51 | 132 | 55 | 151 | 58 |
| 29.8 | 68 | 34.8 | 74 | 39.8 | 78 |
| 3000 | 142 | 64 | 166 | 69 | 190 | 73 |
| 37.5 | 85 | 43.8 | 92 | 50.1 | 97 |
FAQ
1.Are you a manufacture for the vane pump or a wholesale ?
We are a manufacture for vane pumps。.We are located in Changzhou City, Jiangsu Province, China.Welcome to visit us.
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.
