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GLFDN High-capacity, Heavy-duty Group-3 Rotary Gear-type Hydraulic Flow Divider

The GLFDN series is a high-capacity, heavy-duty Group-3 rotary gear-type hydraulic flow divider composed of multiple large-displacement gear sections mechanically keyed onto a heavy-duty common internal shaft. This positive-displacement design splits a single high-flow pump inlet stream into multiple independent output flows. By forcing all internal gear segments to rotate at the exact same speed, it provides highly precise and robust fluid synchronization among multiple large downstream cylinders or high-power hydraulic motors, especially under severe asymmetric or shifting workload resistance
  • GLFDN

  • cissoko

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GLFDN  Motor  Overview

The GLFDN series is a high-capacity, heavy-duty Group-3 rotary gear-type hydraulic flow divider composed of multiple large-displacement gear sections mechanically keyed onto a heavy-duty common internal shaft. This positive-displacement design splits a single high-flow pump inlet stream into multiple independent output flows. By forcing all internal gear segments to rotate at the exact same speed, it provides highly precise and robust fluid synchronization among multiple large downstream cylinders or high-power hydraulic motors, especially under severe asymmetric or shifting workload resistance

Features and Benefits

  • High-Flow Positive Displacement: Driven entirely by the fluid energy of the incoming pressurized oil. Because the flow splitting accuracy is governed strictly by the precise geometry of the heavy-duty gear teeth, it is fundamentally immune to fluctuations in oil viscosity, temperature, or massive load imbalances.

  • Reinforced High-Tensile Housing: Built with a high-strength cast iron housing designed specifically to withstand the extreme structural stresses, high torque transfers, and intense internal separating forces generated during high-flow, high-pressure operations.

  • Massive Pressure Intensification Capability: Acts as a localized hydraulic pressure booster. If one downstream line experiences zero resistance (e.g., a cylinder finishes its stroke early), its mechanical energy is transmitted through the central shaft to help the remaining heavily loaded sections, raising its output pressure beyond the primary pump's relief valve threshold.

  • Integrated Heavy-Duty Re-phasing Valves: Can be configured with large-capacity end-of-stroke re-phasing relief valves and anti-cavitation check valves. This automatically bleeds air, re-aligns massive cylinders when they bottom out, and protects hoses from extreme vacuum damage.

Technical Data:

Parameter Range / Value Metric & US Units Notes
Displacement per Section 22.0 ~ 90.0 cc/rev (cm³/rev) Group-3 large displacement size, specially designed for heavy-duty high-flow hydraulic synchronization systems.
Flow Capacity per Section 50 ~ 200 L/min (approx. 13 ~ 53 US gpm) Wide allowable flow rate for single input/output channel. Low flow resistance design for continuous heavy-duty operation.
Max. Continuous Pressure 240 bar (approx. 3480 psi) Cast iron housing provides ultra-high structural rigidity to prevent valve body deformation under high pressure.
Max. Intermittent Pressure 280 bar (approx. 4060 psi) Maximum peak pressure permitted during instantaneous shifting, braking or short shock load of large construction machinery.
Synchronization Accuracy ±1.5% ~ ±2.0% Percentage error range Rigid heavy mechanical shaft synchronization, maintains extremely high accuracy even under high flow and heavy load conditions.
Number of Sections 2 ~ 4 Sections / Channels Standard configuration: 2 or 4 sections. Heavy-duty sectional assembly structure supports multi-section customization.
Typical Pressure Drop 12 ~ 18 bar (approx. 174 ~ 260 psi) Hydraulic pressure drop required to drive large-size gear rotation; heat dissipation shall be considered in large system design.
Fluid Temp. Range -20 ~ 80 °C (-4°F to 176°F) Operating condition with standard NBR rubber seals. FPM fluororubber seals are recommended for large high-heat systems.

GLFDN  Motor Installation Dimensions


3FDF-divider-motor

Applications

  • Multi-Cylinder Lifting Systems

    • Synchronizes synchronous hoists, large industrial platform lifts, and hydraulic scissor lift tables.

    • Powers vehicle lifting platforms and maintenance jacks in automotive service bays.

    • Controls heavy gate/dam leveling and stage lifting mechanisms in construction and theater engineering.

  • Agricultural & Forestry Attachments

    • Synchronizes the fold-in and fold-out wings of heavy-duty cultivators, seeders, and wide field sprayers.

    • Operates the simultaneous clamping claws of forestry log grabbers and large tree harvesters.

    • Controls the parallel movement of levelers and crop feeding beds in combine harvesters.

  • Industrial Processing & Manufacturing Machinery

    • Drives the parallel compression cylinders on large hydraulic presses, trash compactors, and metal balers.

    • Controls the precise alignment of molding plates, heavy scrap shears, and automated material clamping jigs.

    • Synchronizes multi-point positioning fixtures in automated production lines.

  • Multi-Motor Hydrostatic Drives

    • Distributes oil equally to multiple hydraulic wheel motors on small wheeled vehicles or specialized field equipment to prevent wheel spinning (acting as a hydraulic differential lock).

    • Synchronizes parallel conveyor belt drives or dual blending paddles in chemical and aggregate processing.


Vane Pump Application


Packaging & Delivery

Shipping Methods

GLFDN  Motors 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.


GLFDN Motor  FAQ:

1. What makes the GLFDN series different from smaller group-1 or group-2 dividers?
The GLFDN is a Group-3 heavy-duty hydraulic component, meaning it features significantly larger structural housings and wide gear teeth. It handles individual section displacements from 22 cc/rev up to 90 cc/rev, allowing it to manage massive flow capacities up to 200 L/min per section. It is designed specifically for heavy industrial applications, giant mining equipment, and large-scale multi-cylinder structures where smaller dividers would create extreme flow restrictions.
2. What are the severe risks of "pressure intensification" in a high-flow Group 3 divider
Because the internal gear sets share a massive common shaft, the GLFDN can act as a powerful mechanical pressure booster. If one output line experiences zero resistance while another encounters a massive load, the mechanical energy from the free line is transferred to help push the loaded section. This can cause the output pressure in that active line to climb well over the main relief setting of your primary pump. Given the high flow and high energy of a Group 3 system, installing secondary, high-capacity relief valves on each individual output line is absolute mandatory to prevent catastrophic hose or cylinder failures.
3. How do integrated phase-correction valves operate in a high-flow system?
Microscopic manufacturing clearances allow a small percentage of oil to slip internally within each gear section. Over continuous operations, this minor slip causes massive cylinders to travel at slightly different speeds. When equipped with integrated re-phasing valves, the fastest cylinder will bottom out first, opening a large internal bypass valve. This allows the remaining high-flow oil to safely bypass the stalled section and feed the lagging cylinder, automatically re-aligning the entire structure at the end of every stroke.
4. What happens to the synchronization precision if the input flow drops below specifications?
The synchronization precision (within ±1.5% to ±2.0%) depends heavily on maintaining sufficient fluid velocity through the large Group 3 gear pockets. If the input pump flow drops too low (near or below the 50 L/min minimum rating per section), the internal oil slippage becomes a much larger percentage of the total passing volume. This results in a severe drop in synchronization accuracy. Always size the GLFDN based on your actual minimum working flow rather than just pump peaks.
5. Can a GLFDN series gear flow divider combine return flows during retraction?
Yes, the GLFDN is completely bi-directional. It splits a single flow into multiple streams during cylinder extension, and it combines multiple return lines into a single stream during retraction. This ensures that heavy loads or giant cylinders descend at identical speeds even under uneven gravity or external pulling forces. However, keep in mind that forcing massive flows backward through the mechanical gear teeth creates a structural pressure drop (typically 12 to 18 bar), which introduces notable backpressure into the return circuit.

6. Do you provide OEM or customized services

Yes, we support OEM and customization, including nameplate, packaging, and specific performance requirements. Send us your drawings or specifications for evaluation.

Certifications & Quality Assurance

GLFDN  Motor 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 motor does not contain hazardous materials.

Factory Testing: Every Motor is rigorously tested for performance, pressure, and leak integrity before shipping.



Green Hydraulic Patent Certificate

FAQ

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.


2.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.


3.Can you make my own brand on the products?

Of course we can. Just send me your logo  we can make it for you.


4.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 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.

Unedited footage of the Green Hydraulic Factory

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 Factory

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.

Unedited footage of the Green Hydraulic Factory3

All hydraulic pumps produced by Cissoko 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 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.

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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CISSOKO specializes in dump truck hydraulic parts, delivering reliable lifting kits and full hydraulic solutions for global tipper vehicle manufacturers.

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