CAT 7J0587 Fixed Displacement Pump and Variable Displacement Pump Vickers 30VQ

Wuhan Xinlaifu Hydraulic Equipment Co., Ltd. is one of the leading manufacturers and suppliers of cat 7j0587 fixed displacement pump and variable displacement pump vickers 30vq in China. With abundant experience, we warmly welcome you to buy high quality customized products at competitive price from our factory. Also, OEM&ODM service is available.

 

CAT 7J0587 Fixed Displacement Pump And Variable Displacement Pump Vickers 30VQ 

 

 

In construction machinery, mining equipment and industrial production lines, the power output of the hydraulic system directly determines the efficiency of the equipment - and the combination of the CAT 7J0587 series pump and the Vickers 30VQ pump is precisely an efficient power solution designed for such scenarios. Whether it is a fixed-displacement scenario that requires a constant flow rate or a variable working condition that needs flexible flow adjustment, both of these pumps can meet the demands with their stable performance. Among them, cat 7j0587 pump, as a dedicated adapter pump for CAT equipment, is in line with the core technology of mechanical piston pump and provides reliable support for heavy-duty operations. ​

 

 

Precise adaptation, reliable at the original factory level

cat 7j0587 is specially designed for CAT series equipment. From installation dimensions to performance parameters, it strictly adheres to the original factory standards. Its flange interface and shaft extension dimensions are perfectly matched with the hydraulic systems of CAT loaders and excavators. During installation, there is no need to modify the pipelines, and the old pump body can be directly replaced. As a professional mechanical piston pump, the fit clearance between the plunger and the cylinder is controlled within 0.003mm to ensure no leakage under high pressure. In the continuous operation of mining equipment, the volumetric efficiency can still remain above 92%. ​
The variable version of the 7j0587 pump continues this advantage - through a precise flow regulation mechanism, it can automatically switch the displacement according to the load. For instance, when a CAT excavator is transferred under light load, the flow rate is automatically reduced to cut down on energy consumption. When performing heavy-load excavation, the maximum displacement is restored, and the power response speed is increased by 20%. This "on-demand energy supply" feature enables the equipment to be both efficient and energy-saving in complex working conditions. ​

Durable design, suitable for harsh environments

The core components of cat 7j0587 pump are made of high-strength alloy materials: the pump body undergoes high-temperature quenching treatment, with its impact strength increased by 40%. The surface of the plunger is sprayed with a wear-resistant coating. In a dusty and vibrating construction site environment, its service life is 50% longer than that of ordinary pumps. As a mechanical piston pump, its sealing system uses high-pressure resistant fluororubber, which can withstand a continuous pressure of 300bar, and can reduce the risk of leakage even in conditions with severe hydraulic oil contamination. ​
The Vickers 30VQ pump shares the technical advantages with cat 7j0587. The key components of its variable mechanism are precisely ground, enabling it to operate flexibly in a temperature difference environment ranging from -20 ℃ to 120℃. Whether it is a severely cold mine or a high-temperature steel mill, it can operate stably, ensuring that the equipment does not "break down" under extreme conditions. ​

 

 

The field of construction machinery

In the lifting system of the CAT loader, cat 7j0587 serves as a fixed displacement pump to provide a constant flow rate, ensuring uniform lifting speed of the bucket - even when fully loaded with stone materials, it can avoid action stalling. If it is necessary to deal with compound actions (such as lifting and turning simultaneously), the Vickers 30VQ variable pump can be used to achieve flow distribution. At this time, the stable output of the 7j0587 pump complements the flexible adjustment of the variable pump, improving the operation efficiency. ​

 

Mining and heavy industry

In the hydraulic lifting system of the mine dump truck, the characteristics of mechanical piston pump are fully utilized: cat 7j0587 pump can provide continuous high pressure when lifting heavy cargo carriages, and the anti-fatigue design of the plunger can withstand high-frequency impact of 200 lifting cycles per day. When the vehicle is running empty, the variable pump automatically reduces the displacement, lowering fuel consumption by 15% and balancing power and economy. ​

Industrial production line

In equipment such as ceramic presses and injection molding machines, the fixed displacement feature of 7j0587 pump ensures a stable flow rate. Combined with the variable function of Vickers 30VQ, it can precisely control the pressing speed and holding pressure. For instance, during the molding of ceramic tiles, the constant pressure provided by cat 7j0587 can ensure the flatness of the tile surface, while the variable pump regulates the flow rate during the pressure-holding stage to reduce energy loss.

 

 

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