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OEM/ODM PV2R31 Double Pump Hydraulic Power Vane Pump With Low Noise And High Pressure

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PV2R31 Double Pump Hydraulic Power Vane Pump With Low Noise And High Pressure
PV2R31 Double Pump Hydraulic Power Vane Pump With Low Noise And High Pressure
PV2R31 Double Pump Hydraulic Power Vane Pump With Low Noise And High Pressure
PV2R31 Double Pump Hydraulic Power Vane Pump With Low Noise And High Pressure

PV2R31 Double Pump Hydraulic Power Vane Pump With Low Noise And High Pressure

PV2R31 52-136mL/r displacement low noise high-pressure double pump hydraulic vane pump is an hydraulic pump known for its performance and wide range of applications.
PV2R31 double pump adopts advanced noise control technology and is committed to providing a low noise level working environment. Whether operating under high pressure or high speed, the noise level of the pump can be kept within a low range, providing operators with a more comfortable and quiet working environment.
The pump's dual-pump design enables it to provide high-pressure output, making it suitable for a variety of applications requiring high-pressure hydraulic power. Whether in the industrial field or mobile equipment, the PV2R31 pump can stably provide the required high-pressure capability to ensure the normal operation of the system.
PV2R31 pumps are suitable for a wide range of applications. Whether in construction machinery, metallurgical equipment, agricultural machinery, or marine equipment, this pump can exert its performance. It can be used as the power source of hydraulic systems, lifting devices of work tables, hydraulic transmission systems, and a variety of applications requiring high-pressure hydraulic power.
PV2R31 pumps are known for their high-quality construction and precision manufacturing processes, ensuring their reliability and long-term stable operation. It adopts durable materials and design, can maintain efficient and stable operation in harsh working environments, and has pressure resistance.
The PV2R31 uses advanced pump design and fluid dynamics to ensure efficient hydraulic conversion. Its high-efficiency work can improve the efficiency of the system and reduce energy consumption. This is a very attractive feature for those users who pay attention to energy conservation and environmental protection.
PV2R31 52-136mL/r displacement low noise high-pressure double pump hydraulic vane pump stands out for its high quality, low noise, high pressure, and versatile applications. No matter the field or application, this pump provides users with performance and stable operation.
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  • Technical Parameters
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  • Model Description
  • Precautions
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  • Note: 
    1. When the nominal displacement "4", "6", and "8" pumps are used with a pressure exceeding 16MPa, the rotation speed should exceed 1450r/min.
    2. When using a large-displacement single pump and corresponding double pumps at high speeds, the suction inlet negative pressure should be reduced.
    3. When using synthetic hydraulic oil and aqueous hydraulic fluid, the maximum speed is limited to 1200r/min.
    4. For occasions where low noise is particularly required, it is recommended that the working speed be 1000r/min.
    5. The driving power is under the working conditions of P=16MPa and n=1500r/min.
    • Double Pumps
    Series Displacement of shaft end pump Displacement of cover end pump
    PV2R31 52、60、66、76、94、116、125、136 4、6、8、10、12、14、17、19、23、25、28、31
  • Install and use
    1. During installation, the coaxiality error between the pump shaft and the drive motor shaft should be ≤0.10mm, and a flexible coupling should be used. The support structure should be firm, rigid, and able to fully absorb vibration. The pump shaft should be installed horizontally.
    2. Match the pipelines according to the size of the oil port, especially the oil inlet pipe, and install a safety relief valve in the system; the oil inlet pipeline must be strictly sealed to prevent air leakage, and the oil return pipe opening should be lower than the liquid level.
    3. Before starting the pump, check whether the inlet and outlet routes and the direction of rotation are correct. When the pump is newly installed or restarted after being stopped for a long time, the air should be released from the oil outlet. When starting, run at low pressure (1.5MPa).
    4. When the pump is installed higher than the oil level of the tank, the oil suction height is ≤500mm. It is best to keep the oil suction port lower than the oil level in the fuel tank. The positive pressure at the suction port should be ≤0.03MPa.
    5. Keep the oil clean, and the pipes and fuel tank must be thoroughly cleaned. Install a filter with sufficient capacity at a position above 50mm from the pump suction inlet to the bottom of the tank. The recommended accuracy is 100μm. A fine filter should be installed in the system, it is recommended to be 25μm and the oil cleanliness level should be within NAS12.
    6. The operating temperature of the oil should be controlled within the range of 15~55°C. When starting in severe cold and low temperatures, the oil should be heated, and the oil pump should be inched several times without load before running continuously without load.
    7. Pay attention to the viscosity and quality of the oil. It is recommended to use 32 anti-wear hydraulic oil when the ambient temperature is low.
    8. If you need to change the direction of the oil port, first remove the relevant pump body screws, be careful not to separate the left and right pump bodies, ensure that the heart piece rotates at a certain angle with the oil inlet, and then gradually tighten diagonally.
    9. After the entire pump is installed, rotate the pump shaft by hand. It should be even and flexible.

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Taizhou Dengxu Hydraulic Machinery Co., Ltd. is a Wholesale PV2R31 Double Pump Hydraulic Power Vane Pump With Low Noise And High Pressure Suppliers and OEM/ODM PV2R31 Double Pump Hydraulic Power Vane Pump With Low Noise And High Pressure Factory. We are a member of the China Hydraulic and Pneumatic Seals Industry Association, recognized as a Chinese Integrity Enterprise Quality Standard Unit, and acknowledged as a technology-based small and medium-sized enterprise in Zhejiang Province. Additionally, we hold the status of an AAA credit enterprise. Our company has achieved ISO9001 quality management system certification, and our measurement and testing system is qualified. We have established a provincial-level high-tech enterprise research and development center, showcasing our strong technological innovation capabilities. With complete and advanced production and testing equipment, our products have successfully passed spot inspections conducted by the national technical supervision department for six consecutive times.




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  • Professional Supplier

    Our team has over 20 years of experience in the hydraulic export field, emphasizing both quality and price. Focusing on the hydraulic sector, it is safer to cooperate with a professional company.

  • Quality Assurance

    We have testing lab and advanced inspection equipment, which can ensure the quality of the products.

  • Customization Service

    We have a strong R&D team which can produce products according to the drawings or samples.

  • Competitive Price

    We have our own machining factory and accept large quantity purchase orders from customers. These allow us to control mass production and costs well, so that we can offer better price.

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Taizhou Dengxu Hydraulic Machinery Co., Ltd. has always been committed to the research and production of hydraulic vane pumps and gear pumps.

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