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F1
cissoko
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The F1 Bent-Axis Monodirectional Piston Pump is a heavy-duty, fixed-displacement truck pump designed specifically for direct-mounting onto vehicle Power Take-Off (PTO) gearboxes. Its defining characteristic is its monodirectional (single-direction) design, which mathematically optimizes the internal fluid dynamics for one specific rotation to achieve industry-leading self-priming speeds and volumetric efficiency
Unrivaled Self-Priming Speed: Because the single-direction suction port minimizes internal pressure drops, it can safely operate at much higher engine RPMs (up to 3,000+ RPM on smaller models) without cavitating .
Extreme High Pressure Capability: Delivers up to 400 bar (5,800 psi) peak pressure, which translates to massive hydraulic lifting force inside a very lightweight and compact casing .
Zero Leakage Case Drainage: Employs a smart internal bypass mechanism that routes case leakage back into the suction side. This eliminates the need for an external, separate case drain line, reducing hose routing complexity .
Exceptional Cold-Start Tolerances: The robust mechanical layout tolerates thick, cold hydraulic fluids much better than competing design concepts .
| Parameter | Standard Specification | Unit | Remarks |
|---|---|---|---|
| Pump Type | Bent-Axis Fixed-Displacement Piston Pump | — | 45° heavy-duty bent-axis design with excellent self-priming capability |
| Flange / Shaft | DIN 5462 (ISO 7653) / SAE options available | — | Common truck configuration: 4-bolt flange with an 8-tooth splined shaft |
| Operating Pressure | 350 continuous / 400 maximum intermittent | bar | Peak pressure up to 400 bar, depending on the pump series |
| Rotation Direction | Fixed single direction: Left (L) or Right (R) | — | Rotation cannot be reversed on site; the internal inlet and outlet flow passages are optimized for the specified direction |
| Self-Priming | Excellent; suitable for installation above the oil level | — | Dedicated Gerotor directional-flow design provides strong resistance to cavitation |
| Porting | Rear BSP threaded connections | — | Outlet port is typically G 3/4" or G 1" |
Applications
Heavy Duty Tipper Trucks & Tippers: For fast and smooth lifting of large aggregate dump beds.
Knuckle-Boom Cranes & Loaders: Supplies steady, ultra-high-pressure flow to complex multi-axis truck-mounted cranes.
Hookloaders & Refuse Vehicles: Drives heavy hydraulic slides and high-force garbage compactors.
F1 Bent Axis Momodirectional Piston 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.
Asymmetrical Flow Optimization: Bi-rotational pumps must use completely symmetrical internal fluid channels to accommodate spinning both ways. In contrast, the F1 pump is mathematically modeled and sculpted for one specific rotation, maximizing the internal cross-sectional area of the suction port while minimizing flow resistance [The].
The Advantage: This single-direction optimization grants the F1 series an exceptionally high self-priming speed and suction capability (up to 3,000+ RPM on smaller models) [The]. It can safely draw thick fluids without cavitating, even when mounted high up on a truck chassis far away from the oil reservoir.
Instant Dry-Running Seizure: The internal port timing plate and suction geometries are physically locked for one direction and cannot be field-reversed by rotating the rear cover [The]. If spun backward, the designed inlet behaves as an outlet. The pump cannot pull oil and instead creates a severe vacuum inside the cylinders.
Speed of Failure: Without hydraulic oil to lubricate the moving parts, the spherical piston shoes and swashplate faces will generate hundreds of degrees of friction heat within 3 to 5 seconds of truck engagement. The internal components will instantly gall, weld together, and shear the drive shaft, rendering the pump a total loss.
Smart Internal Porting: Most industrial bent-axis pumps require a dedicated external case drain line piped back to the reservoir to keep case pressures low and protect the front shaft seal. The F1 truck pump bypasses this requirement with a smart internal return check valve system that channels microscopic internal case weeping straight back into the low-pressure suction stream [The].
Installation Benefit: Eliminating an external drain hose drastically simplifies plumbing in cramped truck chassis spaces and removes a primary leak and component failure point [The].
Inlet Cavitation: Although the F1 handles suction exceptionally well, if the engine revs too high (or the truck's PTO has an overly aggressive overdrive gear ratio), the pump will exceed its maximum self-priming speed threshold [The]. The fluid cannot travel fast enough to fill the cylinders, causing vapor bubbles to violently implode.
Suction Line Restriction: Check that your inlet hose meets the minimum required diameter and is wire-reinforced. Unreinforced hoses will collapse flat under high suction vacuums. Also, inspect the reservoir's air breather cap or intake filter for heavy contamination blockages.
Check the Rear Cast Markings: The F1's heavy cast iron rear port cover usually features the letter "L" or "R" stamped or cast directly into the metal frame, often near the fluid ports or alignment seams [The].
Observe Port Positioning: Due to the geometric constraints of a 45° bent-axis design combined with single-direction porting, the large intake port splits slightly askew to one specific side relative to the bend axis [The]. Facing the drive shaft directly, the offset alignment of the larger suction port dictates its dedicated direction (it is highly recommended to cross-reference with a factory schematic blueprint to match the port offset with your truck’s PTO rotation).
Yes, we support OEM and customization, including nameplate, packaging, and specific performance requirements. Send us your drawings or specifications for evaluation.
F1 Bent Axis Momodirectional Piston 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.
