55GA Inland 19 Vacuum Pump Oil for Edwards, Welch, Leybold, Agilent

55GA Inland 19 Vacuum Pump Oil for Edwards, Welch, Leybold, Agilent

Our High Grade Inland 19 Hydrocarbon Vacuum Pump Oil is molecularly distilled for reduced backstreaming, excellent vapor pressure and longer fluid life. Inland 19 is a cost-effective option for vacuum application, mass spectrometers, electron microscopes, UHV Systems, thin film sputtering, and even freeze dry systems. Don’t destroy your pumps and other items with low quality oil. Do yourself a favor and buy a high quality oil that will make your pumps last!


Vapor Pressure at 25°C 1×10-5 torr
Boiling Point at .01 torr 112°C
Viscosity at 40°C 55 cSt
Viscosity at 100°C 8.1 cSt
Pour Point -15°C
Flash Point 213°C
Fire Point 244°C
Density at 25°C 0.87 g/ml
Weights 10lbs, 39lbs, 490lbs



Inland 19 is Inland Vacuum’s recommended general purpose hydrocarbon fluid for mechanical vacuum pumps used in non-corrosive applications. The manufacturing process of Inland 19 includes molecular distillation, which removes light end fractions present in the fluid and gives it the desired properties: lower vapor pressures, reduced backstreaming, and longer fluid life. As a result, it can be used within the same applications as more expensive diffusion pump oils which would otherwise be contaminated by a vacuum oil of lower grade.

A durable, long-lasting mechanical pump fluid, Inland 19 is cost-effective in vacuum applications such as mass spectrometers, electron microscopes, thin film sputtering, UHV systems, and freeze dry systems. Proper use of this oil effects reduced maintenance costs, improved pumping cycles, and a cleaner vacuum system.

• Molecularly distilled
• Reduced backstreaming
• Increased fluid life
• Low vapor pressure

Areas of Application
• Mass spectrometry
• Electron microscopy
• Thin film sputtering
• UHV systems
• Freeze dry systems
• Other non-corrosive general applications

This oil is recommend for Edwards, Welch, Leybold, Agilent, Varien and Alcatel Vacuum Pumps.


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