Gear pump

Mini External Gear Pump, Group 1PUF (0.8~8cm³/rev.)

Mini External Gear Pump 1PUF (0.8~8cm³/rev.) Widely used Car lifts,Material handling equipment Wind turbine Hydraulic system,The main features are:Low noise, high efficiency, long lifespan Optional high-low pumps,

Leakage-free shaft seal,High performance even at low speeds, Optional built-in overflow valve,Multiple oil port and shaft extension options available


Technical Information

Displacement: (0.8~8cm³/rev.)

Rotation direction: clockwise (D), counter-clockwise(S)

Min. speed: 600~1000r/min

Max. speed: 2100~6000r/min

Peak pressure: 200~270bar

Served Industry

Hydraulic system

Car lifts

Wind turbine

Material handling equipment


Description

HENGYUHANG 1PUF Hydraulic Gear Pump is a compact external gear pump engineered for stable hydraulic output and reliable continuous operation. The pump is manufactured with high-precision hardened gears and a high-strength aluminum or cast iron housing, ensuring low internal leakage and high volumetric efficiency.

The 1PUF series supports multiple displacement options, operates under high working pressure, and maintains smooth performance across a wide speed range. It is designed for use with mineral hydraulic oils and performs reliably within standard hydraulic system temperature limits. Featuring standardized mounting flanges, shaft types, and port connections, the HENGYUHANG 1PUF gear pump allows easy installation and interchangeability, making it suitable for industrial machinery, construction equipment, and hydraulic power units.

Why Choose HENGYUHANG 1PUF Gear Pump

Choosing the HENGYUHANG 1PUF gear pump means selecting a reliable hydraulic solution engineered for stable performance and long service life. The 1PUF series is manufactured with precision-machined gears and high-quality housing materials, ensuring high volumetric efficiency, low internal leakage, and consistent hydraulic output.

Designed for continuous-duty operation, the 1PUF gear pump supports high working pressure and operates smoothly across a wide speed range with low noise and vibration. Its standardized mounting dimensions and port configurations allow easy installation and direct replacement for many common hydraulic gear pumps, reducing downtime and maintenance costs.

With proven performance in industrial machinery, construction equipment, and hydraulic power units, the HENGYUHANG 1PUF gear pump offers an excellent balance of performance, durability, and cost efficiency, making it an ideal choice for both OEM applications and aftermarket replacement.

ItemTechnical Parameters & FunctionsApplicable Industries
Pump TypeExternal hydraulic gear pump with compact and rigid structureIndustrial machinery, mobile hydraulics
DisplacementAvailable in multiple displacement options depending on model configurationHydraulic power units, OEM equipment
Working PressureDesigned for stable operation under medium to high hydraulic pressureConstruction machinery, agricultural equipment
Operating SpeedSupports a wide speed range with smooth and reliable performanceIndustrial automation systems
Hydraulic OutputProvides consistent oil flow with high volumetric efficiency and low leakageManufacturing equipment, hydraulic stations
Noise & VibrationPrecision gear design ensures low noise and reduced vibrationIndoor industrial applications, precision machinery
Fluid CompatibilityCompatible with mineral hydraulic oils (ISO VG series)General industrial and construction applications
Mounting & PortsStandardized mounting flange, shaft, and port connectionsOEM installation, aftermarket replacement
Continuous OperationSuitable for long working hours and continuous-duty operationHydraulic power units, production lines
Service LifeWear-resistant materials ensure durability and long service lifeHeavy-duty industrial and construction environments

FAQ – 1PUF Hydraulic Gear Pump

Q1: What type of pump is the 1PUF gear pump?
A: The 1PUF is an external hydraulic gear pump designed to provide stable oil flow and reliable performance in industrial and mobile hydraulic systems.

Q2: What industries is the 1PUF gear pump suitable for?
A: The 1PUF gear pump is widely used in construction machinery, industrial equipment, hydraulic power units, agricultural machinery, and other systems requiring consistent hydraulic pressure and flow.

Q3: What kind of hydraulic oil can be used with the 1PUF pump?
A: The pump is compatible with mineral-based hydraulic oils, typically ISO VG 32, 46, or 68, depending on operating conditions and temperature.

Q4: Can the 1PUF gear pump be used for continuous operation?
A: Yes, the 1PUF gear pump is designed for continuous-duty operation and can work reliably for long hours under proper installation and maintenance conditions.

Q5: Is the 1PUF gear pump easy to install and replace?
A: The pump features standardized mounting dimensions, shaft types, and port connections, making installation simple and suitable for OEM use or aftermarket replacement.

Q6: How does the 1PUF gear pump ensure durability?
A: It is manufactured with precision-machined gears and wear-resistant materials, ensuring low internal leakage, reduced wear, and long service life.



HENGYUHANG Company  is a set design, production, sales in one of the hydraulic components production company, the company has advanced hydraulic components manufacturing technology and technology, the use of high-precision equipment CNC machining center, gear hot processing automatic production line, , automatic heat treatment multi-purpose furnace, single-piece flow assembly line, automatic hydraulic pump performance test bench.          Intelligent equipment adopts automatic unmanned production, and realizes online measurement to ensure product consistency and reliability, intelligent system uses ERP, MES management software, improve production efficiency, and achieve product traceability.

Hengyuhang Power Technology produces and sells external gear pumps, hydraulic synchronous motors, multi-pump units, gear pumps with built-in valves, and custom valve blocks.       Meanwhile, according to the specific needs of customers, we provide a variety of products with special specifications.       And it can also be used as a substitute for other products (such as Rexlex, Danfoss, MARZOCCHI, Parker, RONZIO, Atos, Buchet, ECKERLE, CONCENTRIC, HYADC, JIHOSTROJ, Hydraulic, SDH, VIVOLO, ARGO-HYTOS, HESPER,   HPLPA, HPI, DUPLOMATIC, ROQUET, BODEN,PERMCOP, Caproni, DUPLOMATIC, HIDRAULICA, SETTIMA, SALAMI, HONOR, SHIMADZU, GRH, Brevini, Galtech, BONDIOLI, REXROTH-SIGMA, BLUEASCEND, RISUNY, SUMITOMO, HYDROMAX, SCENERY, REXPOWER, CML, HOERBIGER, SUNNY, HYTEK, Hydro-pack, )

HENGYUHANG also sells a wide range of other international brands of hydraulic pumps, hydraulic valves, hydraulic motors, hydraulic cylinders, hydraulic oil seals, hydraulic equipment and accessories, and has high-quality overseas ordering channels

HENGYUHANG products are mainly used in the supporting services of industries such as automobiles, construction machinery, agricultural machinery, aerial work platforms, hydraulic systems, logistics handling vehicles, new energy vehicles, metallurgical machinery, petroleum machinery, machine tools, and wind powe

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No. 173, Xiacuo, Sihuang Village, Xiamei Town, Nan 'an City, Fujian Province

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