Reply to "metal content in centrifgual chiller oil"

mrhughesMember

water content is high. (100 ppm)
Copper content is way high (10 ppm)
Zinc is usually not in chiller oils (as a additive) - probably abnormal
Acid number (TAN?) is high.
Visk is strange (probably caused by NH3 or similar gas in the oil during analysis)

(Our recommended limits) Note: Not all oil analysis labs can do the correct analysis for cooling compressors / chillers.

- refrig guy, any comments?

4/15/051:38 AM

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