This document is a reissue of SP-67-2002.
1. SCOPE
1.1 This Standard Practice covers dimensions, design, testing, and marking requirements for butterfly valves. Further reference should be made to MSS SP-68.
1.2 This Standard Practice covers two types fo 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)
1.3 This Standard Practice covers flangeless (wafer-type), single flange (lug-type), and flanged end valves in sizes 1½ NPS through 72 NPS, grooved end valves, and shouldered end valves with pressure ratings in accordance with the requirements of Sections 3 and 4.
| File Size : | 1
file
, 3.7 MB |
| Note : | This product is unavailable in Ukraine, Russia, Belarus |
| Number of Pages : | 19 |
| Published : | 07/19/2004 |
