What kind of oil should be used for a three-cylinder plunger pump?
1 Answers
Three-cylinder plunger pumps use lubricating oil with a viscosity index of 20W-50. Below are detailed introductions to the types of oil models: 1. High-temperature type: such as SAE20-SAE50, where the number indicates the viscosity at 100*C, with higher numbers representing higher viscosity. 2. Low-temperature type: such as SAEOW-SAE25W, where W indicates it is only for winter use, and lower numbers represent lower viscosity and better low-temperature fluidity. 3. All-weather type: such as SAE15W/40, 10W/40, 5W/50, indicating that the viscosity grades at low temperatures meet the requirements of SAE15W, 10W, and 5W respectively, and the viscosity grades at high temperatures meet the requirements of SAE40 and 50 respectively, making them suitable for both winter and summer use.