P51
cissoko
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Cissoko P51 gear pump is a heavy-duty, high-flow bushing cast iron hydraulic pump. It is designed to provide robust performance and reliable fluid dynamics in demanding heavy-duty hydraulic applications.
Heavy-Duty Bushing Design: Utilizes high-strength, Teflon-coated sleeve bushings that offer excellent load-carrying capacity, pressure distribution, and superior fatigue resistance.
High Flow & Large Displacement: Built with a larger frame size to accommodate wider gear widths, allowing it to move higher volumes of hydraulic oil under heavy work loads.
Robust Cast Iron Construction: Constructed with high-tensile doweled cast iron housings to withstand extreme operational stress, minimizing internal deflection and body wear.
Flexible Configurations: Supports bi-rotational setups, multiple porting options (such as NPT, O-ring, or Split Flange), and multiple section stacking (piggyback) for multi-circuit setups.
Global Interchangeability: Highly standardized across the industry, with exact dimensional and performance replacements widely available from trusted aftermarket manufacturers like Permco, Muncie, and Dynaco.

| Parameter | Specification / Value | Notes |
|---|---|---|
| Pump Type | High Pressure Heavy Duty Gear Pump | Cast iron body, heavy-duty bushing design |
| Max Continuous Pressure | 2,500 PSI (172 bar) | Standard high-pressure rating for P51 size |
| Max Intermittent Pressure | 3,000 PSI (207 bar) | Peak transient pressure capability |
| Speed Range | 400 - 2,400 RPM | Maintains high efficiency across speed range |
| Fluid Medium | Mineral Based Hydraulic Oil | Recommended filtration: 10-25 micron |
| Mounting Flange | SAE C 2/4-Bolt Combination | Standard larger SAE C mounting pattern |
| Drive Shaft Options | 1-1/4" 14T Spline / 1-1/4" Keyed | Heavy-duty shafts to handle higher torque |
| Rotation | Bi-Rotational (Dual Rotation) | Easy to reverse rotation direction in field |
| Housing Material | High Tensile Doweled Cast Iron | Premium strength to prevent body deflection |

Applications


P51 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.
The P51 pump has a maximum continuous working pressure of 2,500 PSI (172 bar) and can handle intermittent peak pressures up to 3,000 PSI (207 bar).
It usually features a standard SAE C 2/4-bolt combination mounting flange, along with heavy-duty shaft options like a 1-1/4" 14-tooth spline or a 1-1/4" keyed shaft to handle high torque.
Yes, the P51 series supports multiple section stacking (piggyback configuration) on a single drive shaft, allowing it to supply separate, independent flows to multiple hydraulic circuits.
Most P51 pumps are bi-rotational. You can change the rotation direction in the field by disassembling the unit, flipping the pressure-balanced wear plates, and swapping the positions of the drive and driven gears.
You can find 100% dimensionally and functionally interchangeable replacements from major trusted brands such as Permco (P5100 series), Muncie, and Dynaco.
Yes, we support OEM and customization, including nameplate, packaging, and specific performance requirements. Send us your drawings or specifications for evaluation.
P51 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 Cissoko 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.
Cissoko 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 Cissoko Hydraulic have undergone compliance testing, ensuring their quality and reliability.
To meet the diverse needs of different industries, the Cissoko 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.