CBG1 Series gear pumps

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Description

Overview

The CBG1 series gear pump is a high-performance medium and high-pressure hydraulic component, renowned for its simple structure, reliable operation, excellent impact resistance, and convenient maintenance. As a core power element in hydraulic systems, it adopts high-strength ductile iron materials and needle roller bearing support, with an automatic compensation mechanism for axial clearance. This sophisticated design ensures the pump maintains high volumetric efficiency even during long-term continuous operation, making it a preferred choice for various heavy-duty applications.

Structural Features

  • Stable Structural Design: Equipped with fixed side plates pressed tightly on the pump body by front and rear pump covers, which effectively controls the axial clearance between gears and side plates within 0.05-0.10mm. Compared with floating bushing structures, it reduces wear and ensures long-term operational stability.
  • Dual Sealing System: Adopts a two-stage sealing design. The first seal is between the gear end face and the side plate, while the second seal is achieved by sealing rings and O-rings in the bearing cavity. This design significantly reduces high-pressure oil leakage, further improving volumetric efficiency.
  • Load-Bearing Capacity: The needle roller bearing support enhances the pump’s ability to withstand radial loads, adapting to the harsh working conditions of high pressure and high speed, and improving overall impact resistance.

Performance Parameters

Model
Nominal Displacement (ml/r)
Rated Pressure (MPa)
Maximum Pressure (MPa)
Rated Speed (r/min)
Maximum Speed (r/min)
CBG1016
16
16
20
2000
2500
CBG1020
20
16
20
2000
2500
CBG1025
25
16
20
2000
2500
CBG1032
32
16
20
2000
2500
CBG1045
45
12.5
16
2000
2500

Model Coding Explanation

Taking “CBG1045 A F P R” as an example, the coding is interpreted as follows:
  1. CBG: Product code, indicating the CBG series gear pump.
  2. 1: Series identifier, representing the CBG1 series.
  3. 045: Nominal displacement, 45 ml/r.
  4. A: Installation form, diamond mounting.
  5. F: Port form, flange connection.
  6. P: Shaft extension form, flat key.
  7. R: Rotation direction, dextrorotation (clockwise), which can be omitted if default.
Other common codes: L (threaded mounting for port form, levorotation for rotation direction), H (rectangular spline for shaft extension form), etc.

Applications

With its reliable performance and strong adaptability, the CBG1 series gear pump is widely used in hydraulic systems of engineering machinery, ship machinery, hoisting machinery, mining machinery, and small loaders. It can also be customized into single pumps or double pumps according to actual working conditions, fully meeting the power needs of different hydraulic devices.

Shipping & Delivery

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