CBGj3 Series High-Pressure Gear Pump
2 month ago
Product details
CBGj3 series is a mainstream domestic medium-high pressure fixed displacement gear pump, mainly manufactured by Jinan Hydraulic Pump Factory and other manufacturers. As the third series of the CBGj product family, it features 20MPa high pressure, large displacement and long service life, widely applied in hydraulic systems of construction machinery, mining equipment, hoisting machinery, forklifts, injection molding machines and other facilities.
Structure & Features
1. Adopts double axial clearance automatic compensation structure, ensuring high volumetric efficiency and low wear under high pressure
2. Pressure grade: rated pressure 20MPa, peak pressure 25MPa, partial models up to 31.5MPa
3. Displacement range: 63~220 mL/r, meeting medium and large flow demands
4. Equipped with high wear-resistant and pressure-resistant gears, bearings and seals, featuring strong impact resistance, good anti-pollution performance and low noise, with much longer service life than ordinary gear pumps
5. Available in double pump, triple pump and multi-combined pump types; can integrate pilot valves and flow stabilizing valves to satisfy complex oil circuit requirements
6. Interchangeable installation dimensions with traditional CBG series, easy for replacement and upgrading
Main Models & Core Parameters
- CBGj3063: 63 mL/r
- CBGj3080: 80 mL/r
- CBGj3100: 100 mL/r
- CBGj3125: 125 mL/r
- CBGj3140: 140 mL/r
- CBGj3160: 160 mL/r
- CBGj3180: 180 mL/r
- CBGj3200: 200 mL/r
- CBGj3220: 220 mL/r
Typical Technical Data
- Rated Pressure: 20 MPa
- Max Pressure: 25 MPa
- Rotation Speed: 600~2500 r/min
- Volumetric Efficiency: ≥92% under rated working condition
- Working Medium: Anti-wear hydraulic oil ISO VG46/VG68
- Working Oil Temperature: -20~80℃
Model Naming Rule (Example: CBGj3160)
- CBGj: Series code, improved high-pressure gear pump
- 3: Third series
- 160: Nominal displacement 160 mL/r
Typical Applications
Construction machinery: Loader, bulldozer, road roller, excavator
Hoisting equipment: Truck crane, crawler crane, forklift
Mining machinery: Drilling rig, roadheader, hydraulic prop
Industrial hydraulic equipment: Injection molding machine, die-casting machine, hydraulic power unit
Installation & Port Connection
- Flange: Diamond/square flange in line with GB/T 2353 standard
- Shaft end: Flat key / spline optional
- Oil port: Flange connection for reliable high-pressure sealing
CBGj3 Series High-Pressure Gear Pumpis a high-performance gear pump specifically designed for hydraulic systems. Below is a detailed introduction to its specific features:
I. Product Characteristics
1. High Efficiency: The CBGj3 series high-pressure gear pump employs advanced gear design to minimize internal leakage and enhance volumetric efficiency, resulting in higher operational efficiency.
2. Excellent Impact Resistance: This series of gear pumps demonstrates outstanding impact resistance, enabling stable operation under harsh working conditions and reducing failures and damages caused by impacts.
3. Low Noise Level: By optimizing gear shape and reducing internal friction, the CBGj3 series high-pressure gear pump generates relatively low noise during operation, improving the comfort of the working environment.
4. Strong Contamination Resistance: The gear pumps in this series have relatively low requirements for the cleanliness of hydraulic oil and can resist erosion from contaminants to a certain extent, thereby extending their service life.
5. Compact Structure and Lightweight: The CBGj3 series high-pressure gear pump features a compact design, resulting in a small size and lightweight, facilitating easy installation and maintenance.
II. Application Areas
The CBGj3 series high-pressure gear pump is widely used in various hydraulic engineering machinery, such as loaders, bulldozers, cranes, and road rollers. As the core component of the hydraulic power mechanism, it provides a stable and reliable pressure oil source for these equipment, ensuring their normal operation.
III. Technical Parameters (Example)
Below is an example of the technical parameters for a specific model in the CBGj3 series high-pressure gear pump (parameters may vary for different models):
【表格】
Parameter Name Value
Model CBGj3100
Displacement (ml/r) 100
Pressure (MPa) 20 (maximum rated pressure may be higher, e.g., 25MPa)
Rotational Speed (rpm) 2200-2500
Material Cast Iron
IV. Configuration Options
The CBGj3 series high-pressure gear pump can be configured in various ways to meet different working conditions and customer requirements. For example:
1. Dual and Triple Pumps: Depending on customer needs, two or three CBGj3 series high-pressure gear pumps can be combined to form dual or triple pumps, increasing system pressure and flow rate.
2. Safety Valve Configuration: According to the requirements of the host machine, an appropriate safety valve can be selected to protect the system from overloading and pressure surges.
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