Selection Guidance of Rotary Vane Vacuum Pump Oil

2018-04-21 11:27:00
Nina
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Summary : Rotary vane vacuum pump can not work without oil, do you know what kind of vacuum pump oil it use? And how to refuel the rotary vane vacuum pump? These two questions are concerned by many customers, let’s find the answer.

Rotary vane vacuum pump can not work without oil, do you know what kind of vacuum pump oil it use? And how to refuel the rotary vane vacuum pump? These two questions are concerned by many customers, let’s find the answer.

vacuum pump oil

rotary vane vacuum pump oil

Choosing the right rotary vane vacuum pump oil, you must know following things:

Selection of vacuum pump oil should on basis of the performance of rotary vane vacuum pump, don’t use engine oil instead of professional rotary vane vacuum pump oil, misuse will increase the maintenance cost and service life. Following are the performance requirements of rotary vane vacuum pump oil:

1.Ultra low vapour pressure. It is an important performance for vacuum pump oil, rotary vane vacuum pump require high vacuum degree, it has low vaporability requirement for the oil. Generally we use paraffin base narrow fraction lubricating oil, for diffusion pump, it could use low vapour pressure oil such as silicone oil or other synthetic oil.

2.Good viscosity-temperature property and suitable viscosity. The pump chamber volume is changing and exhausting air, it require the vacuum pump oil has good viscosity-temperature property and suitable viscosity.

3.Good heat oxidation stability. The high speed friction of slip vane and pump will rise the oil temperature, and it is easy to oxygenolysis and rise vapour pressure and reduce vacuum degree.

4.The vacuum pump oil also has functions of lubricating, cooling and sealing the mechanical engineering friction points.

5.Higher flashing point. Not carry light component in case of effect oil saturated vapor pressure.


How to refuel the rotary vane vacuum pump? Basically there are two methods: forcing method and gravitational method. Lanphan rotary vane vacuum pump have been exported to many countries and areas. Our product quality is superior among peers, welcome your enquiry at [email protected]

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