In order to ensure that the plunger pump runs smoothly in subsequent use, what details should we pay attention to during the installation process?
In order to ensure that the plunger pump runs smoothly in subsequent use, what details should we pay attention to during the installation process? Dalan Motor made a summary, the specific reference is as follows:
1. Avoid connecting the drain pipe of the relief valve to the suction pipe of the hydraulic pump.
If the drain pipe of the relief valve is connected to the suction pipe of the hydraulic pump, because the overflow valve discharges hot oil, the temperature of the hydraulic pump and even the entire hydraulic system will rise, and it will be a vicious cycle, eventually leading to component or system failure.
2, when piping, to avoid causing excessive resistance to hydraulic pump suction
1 The hydraulic pump has several sections of hard pipe, shut-off valve, filter and a length of hose on the suction line. It requires more pipe joints and the total pressure loss on the pipeline will be large.
2 When the piping causes the local flow area of ​​the pipeline to become smaller, the problem will be more serious, causing the hydraulic pump to absorb insufficient oil until the hydraulic pump is damaged.
3 If the hose and shut-off valve are required to be installed, the diameter of the hose should be appropriately increased to ensure the required suction pressure of the hydraulic pump.
3. Hydraulic pumps with poor self-priming should avoid installing filters on their suction pipes.
If the self-priming hydraulic pump is equipped with a filter at its suction port, as the pressure drop of the filter increases, the minimum suction pressure of the hydraulic pump will not be guaranteed, and the hydraulic pump will not absorb oil and the volumetric efficiency will drop sharply. And vibration and noise appear until the hydraulic pump is damaged.
4. Avoid connecting the external leakage oil pipe of the hydraulic pump to the suction pipe of the pump.
1Because the external leakage of the hydraulic pump discharges hot oil, it is easy to raise the temperature of the pump body, which is unfavorable to the service life of the pump.
2 In some cases, the external leakage pipe of the pump is connected to the suction pipe of the pump, which also causes the pump body not to be filled with the required hydraulic oil, which is even more disadvantageous.
----- Editor-in-Chief: Dalan Oil Pump Motor 02-Procurement Consultant
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