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P50/51 Series Gear Pump

Medium displacement roller bearing pump and motor
Standardization, universalization , serialization design . Connectingdimensions are SAE standard, multiple assemblies are available.
Displacement range :20.9ml/r -125.4 ml/r
Max rated pressure : 207bar , Intermittent :245bar
Speed range :600-2400 RPM
  • P50/51 Series Gear Pumps

  • 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

  • straight key shaft and spline shaft

Availability:
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Product Description


P50/51 Series Gear Pumps overview


The P50/51 Series Gear Pumps are high-capacity hydraulic pumps designed for demanding industrial and mobile applications. They deliver stable, high-flow performance with consistent pressure, ensuring smooth and efficient operation. Built with a robust gear structure and durable materials, the P50/51 series offers excellent reliability, low noise, and long service life. Their compact and practical design allows easy installation and maintenance, making them a dependable choice for heavy-duty hydraulic systems.


P5051 Series Gear Pump2


Key Features


    • Compact Design – Space-saving structure for easy installation in hydraulic systems.

    • Stable Flow – Provides smooth and consistent hydraulic output.

    • Durable Construction – Made with high-quality, wear-resistant materials.

    • Low Noise Operation – Designed for quiet and efficient performance.

    • Easy Maintenance – Simple design allows quick servicing and reduced downtime.

Advantages


    • Reliable Performance – Consistent operation under varying loads and conditions.

    • Long Service Life – Durable construction minimizes wear and replacement frequency.

    • Versatile Applications – Suitable for both industrial and mobile hydraulic systems.

    • Cost-Effective – Combines efficiency, durability, and low maintenance costs.

    • Energy Efficient – Optimized design reduces energy loss and improves overall system efficiency.



P5051 Series Gear Pump




Application


1. Industrial Hydraulic Systems

2. Mobile Equipment

3. Construction and Engineering Machinery

4. Metallurgy and Steel Industry

5. Marine and Offshore Equipment


Vane Pump Application



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.


P5051 Series Gear Pump2


CODE 05 07 10 12 15 17 20 22 25 27 30
Gear Wodth 1/2" 3/4" 1" 1-1/4" 1-1/2" 1-3/4" 2" 2-1/4" 2-1/2" 2-3/4" 3"
Displacement 1.28 1.91 2.55 3.19 3.83 4.46 5.1 5.74 6.38 7.01 7.66
20.9 31.3 41.8 52.2 62.7 73.1 83.6 94 104.5 114.9 125.4
Max Pressure 50 2500 2500 2500 2500 2500 2000 2000 2000 2000 2000 2000
172 172 172 172 172 145 145 145 145 145 125
51 3000 3000 3000 3000 3000 3000 2500 2500 2500 2500 2500
207 207 207 207 207 207 172 172 172 172 145
Speed RPM 600-2400


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.


Green Hydraulic Patent Certificate


Speed RPM Gear width Output(gpm/lpm)and Inches(HP/KW)
1" 1-1/4" 1-1/2" 1-3/4" 2" 2-1/4" 2-1/2"
Flow Power Flow Power Flow Power Flow Power Flow Power Flow Power Flow Power
900 32 14 39.5 17 49 20 57 23 66 26 75.5 29 83.5 32
8.5 19 10.5 22 13 26 15 30 17.5 34 20 38 22 42
1200 45.5 18 57 22 68 26 79.5 30 91 34 102 38 114 42
12 25 15 30 18 34 21 40 24 45 27 51 30 56
1500 57 23 72 27 87 32 102 37 117 42 132 47 148 51
15 31 19 37 23 43 27 50 31 56 35 63 39 69
1800 68 27 87 33 104 38 123 44 142 50 159 56 178 61
18 36 23 44 27.5 51 32.5 59 37.5 67 42 75 47 82
2100 81.5 31 102 38 123 44 146 51 167 58 187 65 208 72
21.5 42 27 51 32.5 60 38.5 69 44 78 49.5 87 55 96
2400 94.5 35 117 43 140 51 167 59 193 66 216 74 240 82
25 47 31 57 37 68 44 79 51 89 57 99 63.5 110


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%).


Unedited footage of the Green Hydraulic Factory

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.

Unedited footage of the Green Hydraulic Factory1

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.

Unedited footage of the Green Hydraulic Factory2

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.

Unedited footage of the Green Hydraulic Factory3

All hydraulic pumps produced by Green Hydraulic have undergone compliance testing, ensuring their quality and reliability.

Unedited footage of the Green Hydraulic Factory4

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.

Unedited footage of the Green Hydraulic Factory5

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.


Green Hydraulic Advantages


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