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Standards for butterfly valves

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melkov

Chemical
Oct 10, 2002
3
Could somebody to sum-up standards applicable for butterfly valves (design, face-to-face, testing,etc..)? Is there any comparison between American and DIN standards?
Hope for help. Thank you a lot.
 
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Well!,

Here goes:-

1)British:-

Design standard:-BS-5155 (WAFER TYPE)
Testing standard:-BS-6755(PT-1)(FLANGE&WAFER)

2)A)AMERICAN:-

Design standard:-API-609(OFFSET TYPE)
Testing standard:-API-598(butterfly,gate,globe,check)

B)
Design:-MSS-SP67,MSS-SP68
TEST:-AWWA-C-504
C)
FACE TO FACE-ANSI-B-16.10
DESIGN& TESTING:-ANSI-B-16.34

There are still lot of standards I have not mentioned,It is what you decide to use for your valve is important.

Hope this info. is usefull to you.
 
If fire-testing is a requirement then valves to be tested to the relevant fire test specification e.g. API 609 valves tested to API 607, BS valves to BS 6755 Part 2,etc)
 
Hopefully this will help you any furher,

Design: EN 593
Flange connection: ISO 7005
F to F: ISO 5752, EN 558
Marking: EN 19
Topflange: ISO 5211
Testing: ISO 5208, EN 12266, EN 1074
Definitions of valve parts see EN 736

Regards,
MT
 
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