What does NNF mean in Construction?

This page is about the meanings of the acronym/abbreviation/shorthand NNF in the Miscellaneous field in general and in the Construction terminology in particular.

Not Normally Flowing

Used to denote a situation where there is no flow through a pipe.

Miscellaneous » Construction


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"NNF." Abbreviations.com. STANDS4 LLC, 2017. Web. 18 Oct. 2017. <http://www.abbreviations.com/term/1382326>.