Asme b31.4 & b31.8

Good Afternoon Everyone,

I am looking for the difference in the calculations on pipelines that are ran at B31.4 and ran at B.31.8. Can anyone post the codes for B31.4 and B31.8?

Thanks!

ASME B31.4-2009 - Pipeline Transportation Systems for Liquid Hydrocarbons and Other Liquids.pdf 3.318 MB
[url]http://ifile.it/axzkgbd[/url]

ASME B31.8-2010 Gas Transmission and Distribution Piping Systems.pdf 4.196 MB
[url]http://ifile.it/vo5u4cz[/url]

Thanks. this is just what i was looking for.