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What is this pipeline standard?

2016-11-14View Original

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I have a comprehensive material list; the standard code for 90-degree elbows is MC17-21, while the standard code for tees is ASME.B16.9. What are these two standards? Can someone explain it? Thank you!
Reply #22016-11-14
Isn’t the latter just a standard ASME standard?
Reply #32016-11-14
M17-21 is a special fitting designed by the design institute; 16.9 refers to standard fittings according to American standards
Reply #42016-11-15
The latter one is the standard ordinary ASME butt-welded pipe fittings. . Dimension tolerance
Reply #52023-02-28
Is M17-21 a code designated by a specific design institute, or is it applicable universally?
Reply #62023-03-25
Wait patiently for the right moment; do not fight against fate
Reply #72023-05-09
MC17-21 is China Five Rings Engineering Co., Ltd.’s standard for special pipe fittings, ASME B16.9

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