MSS SP-51:2021
Current
The latest, up-to-date edition.
Class 150LW Corrosion Resistant Flanges and Cast Flanged Fittings
Hardcopy , PDF
English
11-16-2021
This Standard Practice specifies a series of cast austenitic stainless-steel flanged fittings and austenitic stainless-steel flanges of reduced weight with mating dimensions for assembly with ASME B16.5, Class 150 flanges, but identified as Class 150LW (Light Weight) and limited to use at reduced pressure-temperature ratings.
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