ASME B31.4 vs B31.8
ASME B31.4 vs B31.8
(OP)
I know B31.4 is meant for liquid pipeline transportation, whereas B31.8 is for gas transmission.
Apart from this distiction, I would really appreciate if someone can tell me what are the major differences between these codes.
Apart from this distiction, I would really appreciate if someone can tell me what are the major differences between these codes.





RE: ASME B31.4 vs B31.8
Also there are special considerations for gas transfer measurement governed by AGA Report Number 3. The code does apply to liquids, gases independently BUT NOT two phase flow.
Kenneth J Hueston, PEng
Principal
Sturni-Hueston Engineering Inc
Edmonton, Alberta Canada
RE: ASME B31.4 vs B31.8