What type of oil should be added to a three-cylinder plunger pump?

1 Answers
DiIsabelle
07/30/25 6:11am
1. Oil with a viscosity index above 15kw should be added to a three-cylinder plunger pump. Here is additional information about three-cylinder plunger pumps: 1. Hydraulic pumps with poor self-priming capability: If a hydraulic pump with poor self-priming capability is equipped with a filter at its suction port, as the pressure drop across the filter gradually increases, the minimum suction pressure of the hydraulic pump cannot be guaranteed. This results in insufficient oil suction, a sharp decline in volumetric efficiency, and the occurrence of vibration and noise, eventually damaging the hydraulic pump. 2. System temperature rise: If the discharge pipe of the relief valve is connected to the suction pipe of the hydraulic pump, since the relief valve discharges hot oil, it will cause the temperature of the hydraulic pump and even the entire hydraulic system to rise. This creates a vicious cycle, ultimately leading to component or system failure.
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