SP-67-2017
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SP-67-2017

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 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 1½ 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.

Price: $104.00 - $208.00
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May 25, 2017

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