YUKEN PV2R2-41-F-RAA-41 is a high-performance single-stage vane pump independently developed by Yuken Industry Co., Ltd., a renowned Japanese hydraulic equipment manufacturer with a history of more than 70 years. As a large-displacement core model of the PV2R2 sub-series in the PV2R product line, this pump inherits the series’ inherent advantages of low noise, high pressure resistance, high reliability and stable performance, while integrating customized structural designs (reflected in its model suffixes) to meet specific installation and working condition requirements. It is widely applied in large-flow, high-load hydraulic systems, playing an irreplaceable role in heavy industry, metallurgy, port machinery, large-scale injection molding and other fields that require efficient and stable hydraulic power supply.

Model Suffix Explanation

The suffixes of YUKEN PV2R2-41-F-RAA-41 have clear professional meanings, which directly determine the pump’s installation mode, structural characteristics and matching standards. The specific explanation is as follows to help with equipment matching and selection:

• PV2R2: The basic series code, indicating that the pump belongs to the PV2R2 sub-series of YUKEN PV2R vane pumps, which is mainly designed for medium and large-displacement hydraulic systems.
• 41: The displacement code, corresponding to the pump’s geometric displacement, which is the core parameter determining the output flow.
• F: The flange installation code, indicating that the pump adopts a standard flange connection mode, which is convenient for quick assembly and matching with conventional hydraulic equipment, and has strong universality in installation.
• RAA: The structural and sealing code, representing the pump’s customized sealing structure and oil port layout, which enhances the sealing performance and adapts to complex working environments with high requirements for leakage prevention.
• 41: The auxiliary matching code, corresponding to the pump’s shaft end structure and installation dimension standard, ensuring perfect matching with the driving device and hydraulic system pipeline.

Product Core Parameters

As a large-displacement model of the PV2R2 series, YUKEN PV2R2-41-F-RAA-41 has excellent high-pressure and large-flow performance, with precise parameters and stable working performance, which can fully meet the demand of high-load hydraulic systems for efficient power supply. The specific core parameters are detailed as follows:

• Geometric Displacement: 40.8 cm³/rev (2.49 cu.in./rev), which is the largest displacement model in the PV2R2 series, enabling it to output large flow under standard operating conditions.
• Maximum Operating Pressure: When using anti-wear petroleum base oils, the maximum operating pressure can reach 21 MPa (3050 psi), which is consistent with the high-pressure standard of the PV2R series, ensuring stable oil supply under long-term high-load working conditions without leakage.
• Shaft Speed Range: 600 r/min to 1800 r/min, and the recommended operating speed is 1200 r/min. This speed range balances working efficiency and service life, avoiding excessive wear caused by ultra-high speed operation.
• Volumetric Efficiency: Not less than 92%, which is a key indicator reflecting the pump’s leakage resistance. High volumetric efficiency effectively reduces energy loss, improves the overall energy-saving performance of the hydraulic system, and reduces operating costs.
• Hydraulic Medium Adaptability: Compatible with a variety of hydraulic media, including anti-wear petroleum base oils, R&O type oils, water glycols and synthetic fluids, which can adapt to different industrial working condition requirements.
• Medium Temperature Range: -10°C to 80°C, with strong environmental adaptability, ensuring stable operation in both low-temperature and high-temperature working environments without affecting performance.
• Installation Mode: Standard flange installation (marked by suffix F), with compact overall structure, convenient for installation in limited space of large-scale equipment, and easy to disassemble and maintain.

Structural Features & Core Advantages

YUKEN PV2R2-41-F-RAA-41 adopts advanced structural design and high-quality materials, integrating the overall advantages of the PV2R series and the characteristics of customized design, with excellent performance and high durability. Its core advantages are reflected in the following aspects:

1. Low Noise & Stable Operation: It adopts an arc vane structure and a high-order equation stator curve design, which effectively optimizes pressure and flow pulsation, and controls the operating noise below 70 dB(A). This not only meets the quiet environment requirements of industrial production, but also reduces the impact of noise on the service life of other equipment components.
2. High Pressure & Large Flow Performance: With a maximum operating pressure of 21 MPa and a geometric displacement of 40.8 cm³/rev, it can deliver sufficient hydraulic flow and pressure for high-load, large-flow hydraulic systems, meeting the demand for efficient and continuous operation of heavy-duty equipment such as large-scale injection molding machines and port cranes.
3. Long Service Life & High Reliability: The stator and vanes are treated with special surface hardening technology, which significantly improves their wear resistance and corrosion resistance, and extends their service life by 30% compared with ordinary vane pumps. The pump body is made of high-strength aluminum alloy material, which has good explosion-proof, heat-dissipating and pressure-bearing performance, enabling stable operation in complex and harsh working conditions such as high temperature, high pressure and large vibration.
4. Excellent Sealing Performance: The customized sealing structure (marked by suffix RAA) adopts high-quality sealing components, which effectively enhances the leakage prevention performance, avoids hydraulic oil leakage during high-pressure operation, and ensures the stability of the hydraulic system and the safety of the working environment.
5. Easy Maintenance & Strong Universality: It adopts an integrated driving component design, which is configured as a complete kit and can be supplied as a cartridge assembly. This design facilitates quick replacement of wearing parts such as vanes and bearings, shortens maintenance time and reduces maintenance costs. At the same time, the standard flange installation mode (suffix F) makes it highly compatible with conventional hydraulic equipment, improving the flexibility of equipment matching.

Application Scenarios

Due to its large displacement, high pressure resistance, stable performance and customized structural design, YUKEN PV2R2-41-F-RAA-41 vane pump is mainly used in large-flow, high-load hydraulic systems, and its application fields are mainly concentrated in heavy industry and large-scale equipment, specifically including:

• Heavy Industrial Equipment: It is widely used in hydraulic systems of metallurgical machinery (such as steel rolling machines, continuous casting machines), forging machinery (such as large forging presses) and heavy-duty machine tools, providing stable and efficient hydraulic power for the operation of equipment, ensuring the smooth progress of heavy industrial production.
• Large-Scale Plastic Machinery: Suitable for large-scale injection molding machines and die-casting machines with large flow demand, it provides sufficient hydraulic power for the mold clamping, injection and other processes of the equipment, ensuring the molding quality and production efficiency of products.
• Port & Construction Machinery: Applied to hydraulic systems of port cranes, container handlers and large excavators, it adapts to the harsh working environment of ports and construction sites, and provides reliable hydraulic support for the heavy-load operation of equipment.
• Other Large-Scale Hydraulic Systems: It can also be used in hydraulic systems of large-scale ship auxiliary equipment, industrial boilers and other equipment, adapting to different working condition requirements and providing stable and efficient hydraulic power supply for industrial production.

Summary

YUKEN PV2R2-41-F-RAA-41 is a high-quality large-displacement single-stage vane pump integrating high performance, reliability and customization. With its large displacement, high pressure resistance, low noise, long service life and excellent sealing performance, it is especially suitable for large-flow, high-load hydraulic systems in heavy industry, large-scale plastic machinery, port machinery and other fields. The clear division of model suffixes makes equipment matching more convenient, while the easy maintenance design reduces the overall operating cost. As a core model of the YUKEN PV2R2 series, it has become the preferred matching product for upgrading and transforming large-scale hydraulic systems in various industries, effectively improving the stability and efficiency of hydraulic systems.