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.
| File Size : | 2
files
, 1.4 MB |
| Note : | This product is unavailable in Ukraine, Russia, Belarus |
| Number of Pages : | 22 |
| Published : | 05/01/2017 |
| Redline File Size : | 3
files
, 6.5 MB |
