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Chromium-Nickel Stainless Steel Plate, Sheet, and Strip forPressure Vessels and for General Applications (Withdrawn 2014)A492 Specification for Stainless Steel Rope WireA668/A668M Specification for Steel Forgings, Carbon and Alloy, for General Industrial UseB209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
18、.3 Type III:4.7.3.1 Depth.4.7.3.2 Height.4.7.3.3 Width.4.7.3.4 Outside diameter (OD) of pipe.5. Materials and Manufacture5.1 Materials:5.1.1 Type I Materials:5.1.1.1 Pipe ClampIndicate diameter, similar to Practice F708, Fig. 1, material specified by grade.5.1.1.2 Ring LinkSize to be not less than c
19、learance shown in Practice F708, Table 3, Column F, material specified by grade.5.1.1.3 Common Wire Strand316-in. diameter, seven strands of seven wires each, stainless steel, Specification A492, Alloy316.5.1.1.4 Tiller Rope Clamp316-in. cable size, manufacturer, stainless steel (optional).FIG. 1 Ty
20、pe IWire Rope AssemblyF993 1725.1.1.5 Rigid Eye Spring Hook58-in. eye diameter, 12-in. snap opening, plated forged steel, Specification A668/A668M, ClassD.5.1.1.6 SleeveSwaging, oval, for 316-in. diameter wire rope, copper.5.1.2 Type II Materials:5.1.2.1 Modified Pipe ClampIndicate diameter, similar
21、 to Practice F708, Fig. 1, Fig. 1, material specified by grade.5.1.2.2 Flat Head Rivet14-in. nominal size, ANSI B18.1,B18.1.1, material specified by grade.5.1.2.3 Single Acting Quick Release Pin14-in. nominal size by 510-in. grip, stainless steel, Specification A167A240, Type 316.5.1.2.4 LanyardWire
22、 rope, 18-in. diameter, seven strands of seven wires each, 12 in. long, stainless steel Specification A492,Alloy 316.5.1.2.5 SleeveSwaging, oval, for 18-in. diameter wire rope, copper.5.1.2.6 Lanyard ClipFlatbar, 116 in. thick by 1 in. wide by 112 in. long, stainless steel, Specification A167A240, A
23、lloy 316.5.1.2.7 Lever ArmSize to suit, 16-gage material specified by grade.5.1.3 Type III Materials:5.1.3.1 PlateIndicate size, 16 gage, material specified by grade.5.1.3.2 Single-Acting Quick Release Pin14-in. nominal size by12-in. grip, stainless steel, Specification A167A240, Type 316.5.1.3.3 La
24、nyardWire rope, 18-in. diameter, seven strands of seven wires each, 12 in. long, stainless steel, Specification A492,Alloy 316.5.1.3.4 SleeveSwaging, oval, for 18-in. diameter wire rope, copper.5.1.3.5 Lanyard ClipFlatbar, 116 in. thick by 1 in. wide by 112 in. long, stainless steel, Specification A
25、167A240, Alloy 316.5.1.3.6 Lockbar78 in. wide by length to suit by 116 in. thick, material specified by grade.5.2 Manufacture:FIG. 2 Miscellaneous Type I DetailsF993 1735.2.1 Edges of the locking device shall be smooth. The devices shall also be free of defects and burrs.5.2.2 Welds shall be done in
26、 accordance with American Welding Society D1.1.6. General Requirements6.1 A label plate shall be installed on or near the locking device to instruct the operator on usage.6.2 When noise reduction is necessary, the contacting parts of the locking device shall have a rubber coating or lining.6.3 The l
27、ocking device must be able to lock the valve in both the fully opened and completely closed positions.6.4 When using Type I, the cable shall be installed sufficiently tight to prevent more than slight movement of the handwheelin a direction opposite of the designed position but not so tight as to pl
28、ace the cable in tension.6.5 The position of the locking device on the handwheel shall be as to resist movement of the valve stem.6.6 Type II dimensions shall be used to determine the size of the lever arm, extension on pipe hanger, and the position of thelocking holes and slot.6.7 When specified by
29、 the purchaser, a padlock can be used instead of the quick release pin or spring hook.7. Dimensions and Tolerances7.1 Dimensions shall be as specified in the figures shown.7.2 Tolerances are 6116 in. except for drilled hole diameter for pin which shall be +132 in., 0 in.8. Keywords8.1 locking device
30、; marine technology; ship; valve; valve locking deviceFIG. 3 Type IIHandwheel LatchF993 174FIG. 4 Miscellaneous Type II DetailsF993 175ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this stand
31、ard are expressly advised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andi
32、f not revised, either reapproved or withdrawn.Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, whi
33、ch you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,U
34、nited States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ The last approved version of this historical standard is referenced on www.astm.org.FIG. 5 Type IIIValve Cover BoxF993 176
