ASTM F993-2017 Standard Specification for Valve Locking Devices《阀门锁紧装置的标准规格》.pdf
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1、Designation: F993 86 (Reapproved 2011)F993 17 An American National StandardStandard Specification forValve Locking Devices1This standard is issued under the fixed designation F993; the number immediately following the designation indicates the year of originaladoption or, in the case of revision, th
2、e year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscriptepsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S. Department of Defense.1. Scope1.1 This specification2 covers
3、 the application, design, and materials for valve locking devices.1.2 Locking devices Types I and II described in this specification are designed to secure the valve in a fully opened orcompletely closed position.1.3 This specification does not apply to valves equipped with locking devices from the
4、valve manufacturer, unless this standardis invoked in the procurement ordering data for the valve or its locking device, or both.1.4 This specification is intended to supersede NASEA drawing S4824-1385509. However, cancellation of that drawing andadoption of this specification can only be effected b
5、y the navy.1.5 The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in thisstandard.1.6 This international standard was developed in accordance with internationally recognized principles on standardizationestablished in the Decision on Prin
6、ciples for the Development of International Standards, Guides and Recommendations issuedby the World Trade Organization Technical Barriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:3A36/A36M Specification for Carbon Structural SteelA167A240 Specification for StainlessChromiu
7、m and Heat-Resisting Chromium-Nickel Stainless Steel Plate, Sheet, and Strip forPressure Vessels and for General Applications (Withdrawn 2014)A492 Specification for Stainless Steel Rope WireA668/A668M Specification for Steel Forgings, Carbon and Alloy, for General Industrial UseB209 Specification fo
8、r Aluminum and Aluminum-Alloy Sheet and PlateB580 Specification for Anodic Oxide Coatings on AluminumF708 Practice for Design and Installation of Rigid Pipe Hangers2.2 Other Documents:ANSI B18.1B18.1.1 Small Solid Rivets 7/16 Inch Nominal Diameter and Smaller4American Welding Society D1.1 on Steel53
9、. Classification3.1 Valve locking devices shall be classified by the following types and grades in accordance with the method of locking andmaterial used.3.2 Types:1 This specification is under the jurisdiction of ASTM Committee F25 on Ships and Marine Technology and is the direct responsibility of
10、Subcommittee F25.11 onMachinery and Piping Systems.Current edition approved April 1, 2011May 1, 2017. Published April 2011May 2017. Originally approved in 1986. Last previous edition approved in 20062011 asF993 86 (2011).(2006). DOI: 10.1520/F0993-86R11.10.1520/F0993-17.2 This specification is inten
11、ded to supersede NAVSEA Drawing S4824-1385509. However, cancellation of that drawing and adoption of this specification can only beeffected by the Navy.3 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Sta
12、ndardsvolume information, refer to the standards Document Summary page on the ASTM website.4 Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http:/www.ansi.orghttp:/www.ansi.org.5 Available from American Welding Society (AWS), 550 NW LeJeun
13、e Rd., 8669 NW 36 St., #130, Miami, FL 33126,33166-6672, http:/www.aws.org.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately
14、depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA
15、 19428-2959. United States13.2.1 Type IWire rope assembly (see Fig. 1 and Fig. 2).3.2.2 Type IIHandwheel latch (see Fig. 3 and Fig. 4).3.2.3 Type IIILocking shield (see Fig. 5).3.3 Grades:3.3.1 Grade AStainless steel, Specification A167A240, Type 316.3.3.2 Grade BAnodized aluminum, Specification B20
16、9, Alloy 5052.3.3.3 Grade CCarbon steel, commercial quality steel (see Specification A36/A36M).4. Ordering Information4.1 Orders for material under this specification shall include the following:4.2 ASTM Designation and year of issue.4.3 Type.4.4 Grade.4.5 Padlock Size (if necessary).4.6 Rubber Coat
17、ing (if necessary).4.7 Necessary Dimensions:4.7.1 Type I:4.7.1.1 Length of wire strand.4.7.1.2 Diameter of pipe.4.7.2 Type II:4.7.2.1 Maximum height (fully opened).4.7.2.2 Minimum height (fully closed).4.7.2.3 Handwheel thickness.4.7.2.4 Handwheel depth.4.7.2.5 Diameter at location of attachment.4.7
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