PVV series pumps belong to the category of fixed - displacement vane pumps. The nominal sizes range from 18 to 193, with series 1x. For example, models like PVV1 - 1x/018 and PVV2 - 1x/040 are included.
Advantages and Features
- Fixed Displacement: They have a constant displacement, which is suitable for applications requiring a stable flow rate.
- Long Bearing Life: The shaft is hydraulically unloaded, resulting in a long bearing life.
- Low Wear: The vanes are also hydraulically unloaded, leading to low wear and a long service life of the pump.
- Low Noise: They operate with low noise, which helps to create a relatively quiet working environment.
- Good Maintainability: The pump cartridges are exchangeable, making maintenance and repair easy.
- High Efficiency: They have good efficiency, which can save energy and improve the overall performance of the hydraulic system.
- Optional Pressure Port Position: The position of the pressure connection can be individually selected to meet different installation and usage requirements. In addition, the pump can rotate clockwise or counter - clockwise, and the drive shaft can be either cylindrical or splined.
Performance Parameters
- Maximum Operating Pressure: The maximum operating pressure can reach 210 bar, which can meet the requirements of most industrial hydraulic systems.
- Maximum Displacement: The maximum displacement is from 18 to 193 cm^{3}, providing a wide range of flow options.
PVV series pumps are widely used in various fields due to their excellent performance and reliability. Here are the detailed applications:
Industrial Machinery
- Machine Tools: They are used in machine tools such as lathes, milling machines, and grinders. The stable flow and pressure output of the PVV series pumps ensure the accurate movement of the tool and the workpiece, improving the machining accuracy and surface quality.
- Plastic Processing Machinery: In injection molding machines, the PVV series pumps provide the necessary pressure and flow to inject molten plastic into the mold cavity. They also control the movement of the mold clamping mechanism, ensuring the stability and efficiency of the injection molding process.
- Textile Machinery: In textile machinery like looms and spinning machines, these pumps are used to drive hydraulic cylinders for controlling the movement of components such as the warp and weft yarn feeding mechanisms, ensuring the smooth operation of the textile production process.
Construction Machinery
- Excavators: The PVV series pumps supply hydraulic power to the boom, arm, and bucket cylinders of excavators, enabling precise control of their movements for efficient earth - moving and digging operations.
- Loaders: In loaders, the pumps provide power for the lifting and tilting mechanisms of the bucket, allowing for easy loading and unloading of materials. They also ensure the smooth operation of the steering system, improving the maneuverability of the loader.
- Crane: For cranes, these pumps are crucial for the lifting, slewing, and telescoping functions. They provide the necessary hydraulic pressure and flow to ensure the safe and stable operation of the crane during lifting and moving heavy objects.
Agricultural Machinery
- Tractors: The PVV series pumps are used in tractors to power hydraulic systems for operating attachments such as plows, harrows, and loaders. They provide the necessary force to lift and lower these attachments, improving the efficiency of agricultural operations.
- Combine Harvesters: In combine harvesters, the pumps supply hydraulic power to the cutting, threshing, and conveying mechanisms. They ensure the proper functioning of these mechanisms, enabling efficient harvesting of crops.
Automotive Industry
- Automotive Production Lines: In automotive production lines, the PVV series pumps are used in various hydraulic systems, such as those for welding robots, painting equipment, and assembly line conveyors. They provide the necessary power to ensure the smooth operation of these systems, improving production efficiency and quality.
- Vehicle Hydraulic Systems: In some vehicles, especially those with hydraulic - assisted steering or suspension systems, the PVV series pumps can be used to provide the necessary hydraulic pressure. This helps to improve the driving comfort and handling performance of the vehicle.
Aerospace Industry
- Aircraft Ground Support Equipment: The PVV series pumps are used in aircraft ground support equipment such as hydraulic tow bars and aircraft jacks. They provide the necessary hydraulic power to move and lift aircraft, ensuring the safety and efficiency of ground support operations.
- Aerospace Manufacturing: In the aerospace manufacturing process, these pumps are used in various hydraulic - driven machine tools and equipment for machining and assembling aircraft components. The high - precision and stable performance of the PVV series pumps help to ensure the quality and accuracy of aerospace components.
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