CBF-F5 External Gear Pump
2 week ago
Product details
1. Basic Product Overview
The CBF-F5 External Gear Pump is a lightweight high-pressure fixed-displacement Hydraulic gear pump with aluminum alloy casing, belonging to the classic CBF general-purpose high-pressure gear pump series. It serves as a compact and economical power supply element for medium-duty open-loop hydraulic system, widely deployed on forklifts, small loaders, agricultural tractors, sanitation machinery and small hydraulic power packs. Featuring axial floating side plate automatic clearance compensation, this Hydraulic gear pump maintains high volumetric efficiency even after long-term wear, far outperforming low-cost basic gear pumps in stability and service life. It is a mainstream OEM matching and aftermarket replacement pump for light & medium mobile machinery and general industrial hydraulic equipment.
Model Code Explanation
- CBF: Industry standard series code for high-pressure external meshing hydraulic gear pump
- F: High-pressure grade configuration (rated 20MPa working pressure)
- 5: Fifth frame size, covering small to medium displacement specifications (10/14/16/20/25/32mL/r optional)
Suffix AL/BL stands for mounting form: AL = flange mounting, BL = square flange mounting; rotation direction (clockwise/counterclockwise) and shaft types (flat key / involute spline) are customizable.
2. Core Technical Parameters
Item Specification
Product Type Lightweight High-pressure External Meshing Hydraulic gear pump
Rated Working Pressure 20MPa
Instant Peak Pressure 25MPa
Rotational Speed Range 600–2500rpm
Optional Displacement 10, 14, 16, 20, 25, 32 mL/r
Pump Body Material High-strength die-cast aluminum alloy housing, carburized quenched alloy steel precision gears
Core Structure Floating pressure compensation side plates, DU self-lubricating composite bearings
Sealing Kit HNBR oil-resistant seals standard; FKM high-temperature resistant seals optional
Applicable Hydraulic Medium ISO VG46, VG68 anti-wear hydraulic oil
Operating Temperature -20℃ ~ +85℃
Mounting Form Standard SAE flange / square flange mounting
Volumetric Efficiency ≥92%
Warranty Period 1 year
3. Structure & Working Principle
This Hydraulic gear pump consists of driving gear, driven gear, aluminum pump housing, floating side plates, DU bearings, front/rear end covers and composite shaft seals, integrated into the oil supply loop of the whole hydraulic system:
1. External power drives the main shaft to rotate; the meshing gear pair separates on the suction side to generate negative pressure, drawing hydraulic oil from the reservoir into gear tooth grooves.
2. Gears rotate circumferentially to convey oil along the pump housing inner wall to the high-pressure outlet, delivering pressurized fluid to downstream pipelines of the hydraulic system.
3. The built-in floating side plates are pressed tightly against gear end faces by system working pressure to automatically compensate axial wear clearance, minimizing internal leakage and locking in high efficiency—this is the core optimized design of CBF-F5 compared to ordinary cheap Hydraulic gear pump models.
4. Pressurized oil actuates hydraulic cylinders and small hydraulic motors to complete lifting, pushing and conveying actions; low-pressure return oil flows back to the tank to finish the circulation.
5. DU self-lubricating bearings reduce friction loss and bear radial loads, preventing shaft deflection and eccentric gear abrasion in frequent start-stop working conditions.
4. Core Product Advantages
1. Lightweight aluminum alloy design reduces overall equipment load, with compact size easy to install in narrow mounting spaces of small machinery without altering the layout of the original hydraulic system.
2. Floating side plate clearance compensation structure slows efficiency attenuation caused by gear wear, ensuring stable pressure output and prolonging the service cycle of the whole hydraulic system.
3. Cost-effective structural design balances performance and procurement cost, ideal for mass stocking and batch equipment assembly, superior in cost performance to heavy cast iron Hydraulic gear pump for light-duty scenarios.
4. Multiple displacement, shaft type and rotation direction options enable flexible matching for OEM assembly and old pump replacement.
5. Radial hydraulic balance structure lowers gear eccentric wear, tolerating mild hydraulic oil contamination on construction and farm sites.
6. Low flow pulsation cuts pipeline vibration and noise, protecting delicate valve components inside the hydraulic system.
5. Typical Application Scenarios
1. Main oil supply Hydraulic gear pump for manual & electric forklifts, small wheel loaders and mini dump trucks’ integrated hydraulic system;
2. Hydraulic power unit for agricultural tractors, harvesters, green maintenance and small farm machinery;
3. Auxiliary oil supply pump for road sweepers, small garbage trucks and light sanitation equipment;
4. Standard matching pump for small stationary hydraulic stations, machine tool clamping and conveying hydraulic assemblies;
5. Equipment renovation replacement: upgrade outdated low-pressure gear pumps to boost the working pressure of the whole hydraulic system.
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Ningbo Hengnuo Hydraulic Drive Co.,Ltd
Audited supplier
4 year
Main Product:
hydraulic motor,
gear box,
hydraulic pump,
hydraulic valve ,
hydraulic winch ,
hydraulic system