Gear oil pump PGP511A0160CL1D3NK1K1B1B1

Product Description

The Gear oil pump PGP511A0160CL1D3NK1K1B1B1 is engineered by Hengmeisi, a leading China manufacturer and factory direct supplier. This gear pump is fully interchangeable with Rexroth equivalent products, and we also provide the original Rexroth version to meet diverse project demands. Built with precision machining and premium materials, it delivers consistent flow and reliable performance for industrial and mobile hydraulic systems.

Product Advantages

Full Compatibility with Rexroth Systems

Our Gear oil pump PGP511A0160CL1D3NK1K1B1B1 is 100% mechanically and hydraulically interchangeable with Rexroth equivalent products, allowing seamless plug-and-play installation without modification. Both Hengmeisi replacement version and original Rexroth version are available in stock.

High-Pressure & High-Efficiency Performance

Rated for continuous operation up to 250 bar, this pump delivers stable flow with volumetric efficiency above 90%. Its precision gear profile reduces internal leakage, ensuring consistent performance under varying loads and long-cycle operations.

Durable Construction for Harsh Conditions

The pump features a lightweight high-rigidity aluminum housing and heat-treated alloy steel gears. NK1K1 heavy-duty seals offer excellent wear resistance and wide temperature adaptability, ensuring reliable performance in complex working environments.

Low Noise & Smooth Operation

Advanced pressure-balanced structure and optimized tooth profile minimize pressure pulsation and vibration, effectively reducing running noise. The pump operates quietly and stably, improving the overall performance of matched machinery.

Built-in Anti-Contamination Protection

Precision-fit components and high-quality seals prevent hydraulic oil impurities from entering key parts, reducing wear and extending service life, which is critical for long-term reliability in harsh environments.

Model Code Explanation

The model code of Gear oil pump PGP511A0160CL1D3NK1K1B1B1 features a clear, intuitive coding logic for easy parameter identification:

PGP511: High-performance aluminum body gear pump series, distinguished from other pump types

A0160: Rated displacement of 16.0 cm³/rev, suitable for medium-flow hydraulic systems

CL1D3: Specified port configuration and rotation direction, compatible with standard industrial interfaces

NK1K1: Heavy-duty seal and bearing configuration for high-pressure and wide-temperature applications

B1B1: Standard shaft type and mounting flange specification, ensuring universal compatibility

As the core model of the PGP511 series, the Gear oil pump PGP511A0160CL1D3NK1K1B1B1 is optimized for medium-high pressure scenarios, with outstanding comprehensive performance, and is widely favored by purchasers in industrial machinery, construction equipment and material handling fields.

Product Structure

Core Architecture: External Gear Structure

The pump adopts a classic external gear design, fundamentally different from other pump types. It consists of a high-precision aluminum housing, hardened gear pair, pressure balance mechanism and integrated seal assembly, ensuring reliable and stable operation.

Pressure Balance Mechanism: Axial Wear Compensation

The built-in axial pressure balance plate automatically compensates for gear wear clearance, reducing internal leakage and maintaining high volumetric efficiency throughout the pump’s service life.

Material Upgrades for Extreme Durability

Housing: High-strength aluminum alloy, lightweight, corrosion-resistant and with excellent heat dissipation

Gears: Case-hardened alloy steel, precision-ground for low friction and high wear resistance

Seals: NK1K1 composite material, rated for wide temperature ranges and high-pressure resistance

Bearings: High-precision roller bearings, supporting long-term stable operation

Integrated Sealing System

The reinforced multi-layer sealing assembly prevents oil leakage under high pressure, adapting to various standard hydraulic oils and complex working conditions.

Application Scenarios

Industrial Hydraulic Systems: CNC machine tools, hydraulic presses, power units and conveying equipment

Agricultural Machinery: Farm tractors, harvesters and supporting hydraulic actuators

Construction Equipment: Loaders, excavators, aerial work platforms and small cranes

Material Handling: Forklifts, pallet jacks and warehouse logistics equipment

General Lubrication & Fluid Transfer Systems: Centralized lubrication stations, industrial hydraulic test benches