How to calculate oil consumption of a rotary screw vacuum unit

by Rich Firestine
(Hammonton NJ)

I've been in the air compressor/vacuum industry for 25 years and understand how to calculate oil carry over on compressors 3-5ppm etc Have you ever seen a formula for vacuum screw carryover/consumption ?

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Bill says...

No Rich, I haven't. Which doesn't mean that there isn't one.

I've posted this for you. Someone has the info, I'm sure.

Cheers,

Bill