CBK Series Gear Pump
2 month ago
Product details
CBK Series Hydraulic Gear Pump Technical Specification
1. Basic Key Parameters
Pressure Ratings
- Rated Working Pressure: 20 MPa (200 bar)
- Maximum Peak Pressure: 25 MPa (250 bar)
Displacement (cc/rev)
Common displacements: 4, 6, 8, 10, 12, 16, 20, 25, 32, 40 cc/rev
Rotational Speed Range
- Rated Speed: 2000 rpm
- Minimum Stable Operating Speed: 600 rpm
- Maximum Permissible Speed: 3000 rpm
Structural Specifications
- Pump Housing: High‑strength die‑cast aluminum alloy
- Gear Material: Precisely ground alloy steel with excellent wear and pressure resistance
- Mounting Type: Flange mounting / Foot mounting
- Standard Weight: Approx. 2.0–2.8 kg for small displacements; 3.2–4.5 kg for medium and large displacements
2. Model Code Explanation (Example: CBK‑F20)
1. CBK: Series code for high‑pressure gear pump
2. F: Mounting type; F = flange type, L = foot type
3. 20: Displacement of 20 cc/rev
4. R / L: Rotation direction; R = clockwise (viewed from shaft end), L = counter‑clockwise
5. Port Thread: Metric thread or BSPP thread available
3. Product Features
1. High‑pressure design with high volumetric efficiency and low internal leakage, suitable for continuous heavy‑duty operation.
2. Compact size and simple structure, low failure rate and easy maintenance.
3. Stable operation, low noise and high temperature resistance, applicable for harsh working environments.
4. Cost‑effective, directly interchangeable with imported HGP‑2A / HGP‑3A gear pumps.
5. Strong contamination resistance with moderate requirements for hydraulic oil cleanliness.
4. Operating Principle
This is an external meshing fixed‑displacement gear pump. A pair of driving and driven gears rotate in opposite directions inside a sealed housing. Negative pressure is generated at the gear disengagement zone for oil suction, while high pressure is formed at the meshing zone for oil discharge, delivering stable flow to the hydraulic system continuously. Flow rate is proportional to rotational speed.
5. Typical Applications
- Construction machinery: Forklifts, loaders, mini excavators, dump trucks, sanitation vehicles
- Agricultural machinery: Harvesters, tractors and other agricultural hydraulic systems
- Industrial equipment: Hydraulic power units, injection molding machines, machine tools and small hydraulic units
- Special vehicles: Aerial work platforms, modified vehicle hydraulic systems
6. Port Specifications
- Small displacement: Inlet G3/4, Outlet G1/2
- Medium & large displacement: Inlet G1, Outlet G3/4
CBK Series Hydraulic Gear Pump
The CBK series hydraulic gear pump is a high-pressure gear pump widely used as a hydraulic power component in hydraulic systems. Below is detailed information about the CBK series hydraulic gear pump:
I. Product Features
1. High Pressure and Wide Speed Range: The CBK series hydraulic gear pump can withstand high pressures and operates over a wide speed range, catering to various operational requirements.
2. Multiple Displacement Specifications: This series offers a variety of displacement options, ranging from low to high flow rates, to meet the diverse flow demands of different hydraulic systems.
3. Compact Size and Lightweight: Constructed with a high-strength aluminum alloy housing, the pump body is compact and lightweight, facilitating easy installation and maintenance.
4. Reliable Operation and Convenient Maintenance: Utilizing high-quality materials and precision machining processes, the CBK series ensures excellent wear and corrosion resistance of the pump body and gears, extending service life. Its modular design simplifies installation and disassembly, reducing maintenance time and costs.
5. Long Service Life: The use of high-load-capacity DU bearings and other premium components contributes to the long service life of the CBK series hydraulic gear pump.
II. Application Areas
As a power source, the CBK series hydraulic gear pump is extensively employed in hydraulic systems across various industries, including:
1. Construction Machinery: Such as excavators, loaders, and road rollers, where it serves as a core component, providing stable high-pressure hydraulic power.
2. Lifting and Transport Machinery: Including cranes and forklifts, for lifting and handling goods.
3. Mining Machinery: Such as crushers and screeners, offering power support for mining operations.
III. Models and Specifications
The CBK series hydraulic gear pump encompasses multiple models and specifications to accommodate different hydraulic system requirements. For instance, models like CBK-F2.1, CBK-F3.2, and CBK-F4.8 offer displacement ranges from 0.63 ml/r to 5.8 ml/r, with rated pressures typically exceeding 10 MPa and speed ranges from 600 r/min to 4000 r/min. Additionally, this series can be configured as twin or multi-pumps to meet more complex hydraulic system needs.
IV. Selection and Installation
1. Selection Guide:
• Choose the appropriate displacement model based on the system's flow requirements.
• Select the model with the suitable rated and maximum pressures according to the system's pressure demands.
• Consider the installation space and layout to determine the appropriate installation method (e.g., flange or foot mounting).
2. Installation Precautions:
• Ensure that the pump's mounting base has sufficient rigidity and that the motor shaft is well-aligned with the pump shaft to avoid excessive radial forces.
• Clean the pipelines and oil tank before installation to ensure the oil cleanliness meets the requirements.
• Follow the pump's installation instructions for proper installation and commissioning.
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