Re: LOS pipeline MOC

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We are in receipt of lube oil system wherein the pipeline after the filter is of SS material, However the flanges used are of MS.

The LOS is non API, Is it acceptable.

Tags: API

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Registered Member

Complete lub oil pipeline may be of MS. SS is not required unless you will be operating at vey high TAN value.

3/9/204:11 AM

Registered Member

Thanks for the reply, What is generally acceptable TAN value.

3/9/2011:59 PM

Registered Member

For fresh oil TAN is around 0.06. Oil replacement is at around 1. Better also see oil datasheet from manufacturer. CS is used in most of the lub oil lines. If you have oil purifier for removing moisture, you will have little increase in TAN value, and increased lub oil life.

3/10/2012:27 AM

Registered Member

If using oil at TAN >1, CS lines may face corrosion .

3/10/2012:42 AM

Registered Member

Thanks.

3/10/203:16 AM

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