GASES IN CHILLER OILS

Read our primer articles on Grease Guns and Oil Sight Glasses.

dear friends,
Can any one suggest why am i getting low viscosity results for my chiller oils.I know this is due to the fact that gases are being entrapped in the oil but how can i avoid this from happening..how can i get better results..there is about 30% deviation from the fresh oil results due to these gases.
do these gases escape at operating temperatures?or such low viscous oils are circlating in the system?
can anyone help on this?

11/9/087:05 AM

❤️ 0

Original Post

Replies sorted oldest to newest

hardyMember

frndz,
is it a right procedure to gas out chiller oils ?If they are supposed to have these gases then if we gas out the sample this would give a wrong conclusion isnt it?

11/11/086:32 AM

❤️ 0

hardyMember

but the OEM specifies that the oil should attain a specified viscosity with the gases in it?
whats your opinion on this?

11/11/088:32 PM

❤️ 0

michelleMember

Okay, just as an add on. This process is only carried out on the portion of the oil that is going to be used to test viscosity. Any other test (i.e. ICP, TAN, moisture) shouldn't need to have the gas removed. This is ensuring you are doing Karl Fischer to measure moisture, as the calcium hydride test would be effected by the gas which will give a false moisture detection reading (the gas will rise up the manometer and it will appear the same as the hydrogen gas, which is evident when water is present as a product of the reaction with calcium hydride).

11/11/0810:19 PM

❤️ 0

hardyMember

frnd,
thanks for your response.
So do you think there is no other solution to this dilution problem?

12/2/082:09 AM

❤️ 0