ASTM F1098-87(2015) - 1.5.2015 | ||
1. Scope | ||
1.1 This specification provides standard dimensions for manual (lever and gear actuator) butterfly valves installed in shipboard piping systems in NPS 2 to NPS 24, inclusive. 1.2 This specification covers conventional and ANSI B16.34 class butterfly valves of both lug and wafer types. 1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard. | ||
2. Referenced Documents | ||
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