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P31 Gear pump
Cissoko
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The P31 gear pump is a high-strength, heavy-duty bushing-type cast iron hydraulic gear pump. It is a modern upgrade and replacement for traditional roller bearing gear pumps. Due to its excellent pressure resistance, high efficiency, and compact structure, it is currently widely used in heavy vehicles, dump trucks, truck-mounted cranes, and industrial hydraulic power units.
| Parameter | Specification / Value | Notes |
|---|---|---|
| Pump Type | High Pressure Heavy Duty Gear Pump | Cast iron body, premium bushing design |
| Max Continuous Pressure | 3,000 PSI (207 bar) | Higher pressure rating than P21 series |
| Max Intermittent Pressure | 3,500 PSI (241 bar) | Peak transient pressure capability |
| Speed Range | 400 - 3,000 RPM | Better high-speed performance than P21 |
| Fluid Medium | Mineral Based Hydraulic Oil | Recommended filtration: 10-25 micron |
| Mounting Flange | SAE B 2/4-Bolt Combination | Fits both 2-bolt and 4-bolt mounts |
| Drive Shaft Options | 7/8" 13T Spline / 1" 15T Spline | Keyed shaft options also available |
| Rotation | Bi-Rotational (Dual Rotation) | Easy to change rotation direction in field |
| Housing Material | High Tensile Doweled Cast Iron | Maximum durability and fatigue resistance |
Applications
P31 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 P31 pump can handle a maximum continuous pressure of 3,000 PSI (207 bar) and an intermittent peak pressure up to 3,500 PSI (241 bar).
The Teflon-coated sleeve bushings provide superior pressure distribution, excellent fatigue resistance, and quieter operation compared to traditional bearing styles.
The pump features a bi-rotational design. You can reverse the rotation in the field by disassembling the unit, flipping the pressure-balanced wear plates, and swapping the drive and driven gear positions.
You can find 100% compatible direct replacements from major hydraulic manufacturers including Permco (P3100 series), Muncie, and Dynaco.
The P31 series offers excellent high-speed performance, with an operational speed range extending from a minimum of 400 RPM up to a maximum of 3,000 RPM.
Yes, we support OEM and customization, including nameplate, packaging, and specific performance requirements. Send us your drawings or specifications for evaluation.
P31 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.
