ASTM F 993 : 2017
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Specification for Valve Locking Devices
Hardcopy , PDF
16-09-2021
English
11-05-2017
Important note : Users cannot be edited or removed once added to your Multi user PDF.| Committee |
F 25
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| DocumentType |
Standard
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| Pages |
5
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| PublisherName |
American Society for Testing and Materials
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
1.1This specification2 covers the application, design, and materials for valve locking devices.
1.2Locking devices Types I and II described in this specification are designed to secure the valve in a fully opened or completely closed position.
1.3This specification does not apply to valves equipped with locking devices from the valve manufacturer, unless this standard is invoked in the procurement ordering data for the valve or its locking device, or both.
1.4This specification is intended to supersede NASEA drawing S4824-1385509. However, cancellation of that drawing and adoption of this specification can only be effected by the navy.
1.5The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.
1.6This 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.
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