How to view French standard grades
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How should one evaluate the standard grade of a flange? For example: Flange grade 16Brag. When asked, they will *inherently use abbreviations and can’t tell the difference properly: L
Just perform the unit conversion; it’s still necessary to use the domestic terminology, PN1.6, PN2.5
So how can we tell which system it belongs to from these abbreviations? :P
For the system, one can only rely on the markings on the French side; standard numbers are indicated there. If it’s just mentioned as PN1.6, no one will know which system it refers to
Just look at HG20592/HG20615 to understand; the latter is compatible with SH3406
You have to go and check the standards by yourself! Go and remember it; there’s no way to slack off!
FLANG,CLass150,HG/T20615，NB/T47008