NFPA-FIRE NFPA-FLUID EEMUA UL CTA AWS
NFPA-FIRE NFPA-FLUID EEMUA UL CTA AWS
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Purchasing Requirements for Flanges Purchasing Requirements for Flanges was withdrawn in September 2013 and its contents incorporated into PIP PNSM0116 Purchasing Requirements for Fittings and Flanges.
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The purpose of this Practice is to provide the minimum purchasing requirements for use by persons involved in the purchase, specification, or supply of flanges.
This Practice specifies the minimum requirements for the procurement of flanges listed in the PIP Line Class Specifications.
