Which oil is best for vacuum pump?

Liquid ring vacuum pumps generally require an ISO 22 or ISO 32 viscosity. Rotary vane vacuum pumps normally utilize an ISO 68 (SAE 20) or ISO 100 (SAE 30) oil. Process pumps and other vacuum pumps driven by a gearbox will require a much more viscous oil, such as an ISO 220 (SAE 50).

How often should you change vacuum pump oil HVAC?

After a long period of work, it is absolutely necessary to replace it with a new one. Even without the above mentioned symptoms, it is recommended to change the oil after every 100 hours of vacuum pump operation.

Can you use air compressor oil in a vacuum pump?

Vacuum pumps use vacuum pump oil, which is available at all good hvac wholesalers. You can put any oil you like in your pump, but like one of my customers at a bakery who put cooking oil in their air compressor found out, it won’t work very well or for very long.

What happens if you don’t change vacuum pump oil?

Because vacuum pumps don’t have filters, the oil inside becomes saturated with contaminants, which reduces the pump’s efficiency. Once oil is saturated it can’t absorb any more system moisture. If the oil becomes contaminated, it eventually turns into a sludge, which greatly reduces the pump’s efficiency.

Does vacuum pump oil go bad?

Vmaxol and Duratex brand vacuum pump oils have an indefinite shelf life under the right conditions. As long as the container has not been opened or left outside, there should not be a reason for the lubricant to deteriorate.

Can you mix vacuum pump oil?

Remarks: Mixing with other types of oil must be absolutely avoided. We recommend to order the rotary vane pump directly with these vacuum oil to ensure best performance.

How many times can you filter vacuum pump oil?

It is recommended that you drain and filter your oil after every time you run your vacuum pump. On average, this tends to work out to three to five uses before the oil needs to be replaced completely.