SCOPE
This Standard Practice covers dimensions, design, testing, and marking requirements for butterfly
valves. Further reference should be made to the MSS SP-68.
This Standard Practice covers two types of butterfly valves:
—Type I – Valves for tight shut-off (Tested per Section 10.2.1)
—Type II – Valves permitting seat leakage (See Section 10.2.2)
This Standard Practice covers flangeless (wafer-type), single-flange (lug-type), and flanged-end
valves in size NPS 1? through NPS 72, along with grooved-end valves, and shouldered-end valves,
with pressure ratings in accordance with the requirements of Sections 3 and 4.
Document identifier
MSS SP-67-2017
Title
Butterfly Valves, Includes Errata (2017)
MSS Category
Butterfly Valves
Publication date
2017-05-01
International Relationship
History of version
MSS SP-67-2017 * MSS SP-67-2011 * MSS SP-67-2002a * MSS SP-67-2002 * MSS SP-67-1995
| Price |
107 vnd |
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