MSS SP 67
Butterfly Valves
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| Organization: | MSS |
| Publication Date: | 1 January 1995 |
| Status: | inactive |
| Page Count: | 18 |
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 subsection 10.2.1).
Type II - Valves permitting seat leakage (see subsection 10.2.2).
This Standard Practice covers flangeless (wafer-type), single flange (lug-type), and flanged end valves in sizes 1 1/2 NPS thru 72 NPS, grooved end valves, and shouldered end valves with pressure ratings in
Document History
January 1, 2022
Butterfly Valves
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...
January 1, 2017
Butterfly Valves
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...
January 1, 2011
Butterfly Valves
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...
January 1, 2002
Butterfly Valves
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...
January 1, 2002
Butterfly Valves
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...
MSS SP 67
January 1, 1995
Butterfly Valves
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...
January 1, 1983
Butterfly Valves
This Standard Practice covers dimension, design, testing and marking requirements for butterfly valves Further reference should be made to the MSS Standard Practice for high pressure, offset,...