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ASTM F1098-87(2019)
Standard Specification for Envelope Dimensions for Butterfly Valves—;NPS 2 to 24
3 стр.
Действует
Печатное изданиеЭлектронный (pdf)
68.64 $ (включая НДС 20%)
Разработчик:
Зарубежные/ASTM
ICS:
23.060.10 Globe valves / Проходные клапаны
Сборник (ASTM):
01.07 Ships and Marine Technology (I): F670 – F1511 / Судоходные и Морские Технологии (I): F670 – F1511
Описание
Реферат

This specification covers standard envelope dimensions for manual (lever and gear actuator) butterfly valves installed in shipboard piping systems. Materials covered by this specification are conventional and ANSI B16.34 class butterfly valves (from NPS 2 to NPS24) of both lug and wafer types.

Область применения

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 ASME 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.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Ключевые слова:
envelope dimensions; gear actuator butterfly valves; lever butterfly valves; manual butterfly valves;