CBW-F2 External Meshing Gear Oil Pump

CBW-F2 External Meshing Gear Oil Pump

2 week ago

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 4 year year

Product details

CBW-F2 External Meshing Gear Oil Pump

1. Product Overview

CBW-F2 series is a compact medium pressure external meshing gear oil pump, widely applied in general industrial and mobile hydraulic system. This hydraulic gear pump adopts lightweight aluminum alloy housing, precision carburized and nitrided gear sets together with floating side plate automatic compensation structure. The suffix F2 indicates flange connection port and standard pressure grade design. Featuring small dimension, light weight, low noise and reliable anti-contamination performance, this pump can run stably under intermittent load and frequent starting conditions. It is commonly used as main supply pump and pilot pressure pump for small loaders, sanitation equipment, agricultural machinery, forklifts and compact hydraulic power units. With standardized mounting dimensions, it can directly replace original OEM pumps for maintenance without modifying pipelines.

Model Code Explanation

CBW: Compact lightweight gear pump series; F2 stands for flange oil port layout and medium pressure specification.

2. Main Technical Parameters

Item Specification

Pump Type External meshing hydraulic gear pump

Rated Working Pressure 14 MPa

Maximum Intermittent Peak Pressure 17.5 MPa

Rotational Speed Range 700 ~ 3000 rpm

Internal Structure Floating side plate axial clearance compensation, radial hydraulic balance

Standard Seals HNBR nitrile rubber; FKM high temperature resistant seals optional

Applicable Hydraulic Fluid ISO VG46, VG68 anti-wear hydraulic oil

Operating Temperature Range -20℃ ~ +90℃

Mounting Form Standard diamond flange

Volumetric Efficiency ≥89%

Displacement options 4ml/r ~ 32ml/r optional

3. Working Principle

Driven by the input shaft, the paired external gears rotate synchronously. Vacuum is formed inside the suction chamber and draws hydraulic oil from the oil tank. The gear teeth trap oil and deliver pressurized fluid to the outlet, supplying steady flow to all branches of the hydraulic system. The floating side plates automatically compensate axial clearance caused by long-term friction and wear, effectively reducing internal leakage and maintaining stable efficiency of the hydraulic gear pump during continuous operation.

4. Core Advantages

1. Lightweight aluminum alloy body, compact structure, perfectly fits limited installation space.

2. Floating side plate structure minimizes internal leakage and keeps stable pressure output.

3. Optimized gear tooth profile realizes low noise and small flow pulsation during operation.

4. Good resistance to oil contamination, suitable for dusty outdoor working conditions.

5. Flange type oil ports reduce vibration and external leakage points.

6. Standard installation size enables plug-and-play replacement.

7. Simple construction, low failure rate and easy on-site maintenance.

5. Application Range

This hydraulic gear pump is widely used in hydraulic system of industrial forklifts, mini wheel loaders, road sweepers, garbage trucks, agricultural machinery and small hydraulic stations, used for main circuit oil supply and steering pilot control circuit.

6. Common Faults & Replacement Suggestion

Replace the whole pump assembly when these problems occur: system cannot build up pressure, slow movement of hydraulic actuators, oil leakage at shaft seal and mating surface, abnormal grinding noise inside pump housing.

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 Audited supplier

4 year

Address: Ningbo, China

Main Product: hydraulic motor, gear box, hydraulic pump, hydraulic valve , hydraulic winch, hydraulic system

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