1、Designation: F993 86 (Reapproved 2011)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, the year o
2、f 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 Department of Defense.1. Scope1.1 This specification2covers the applicati
3、on, design, andmaterials for valve locking devices.1.2 Locking devices Types I and II described in thisspecification are designed to secure the valve in a fully openedor completely closed position.1.3 This specification does not apply to valves equippedwith locking devices from the valve manufacture
4、r, unless thisstandard is invoked in the procurement ordering data for thevalve or its locking device, or both.1.4 This specification is intended to supersede NASEAdrawing S4824-1385509. However, cancellation of that draw-ing and adoption of this specification can only be effected bythe navy.2. Refe
5、renced Documents2.1 ASTM Standards:3A36/A36M Specification for Carbon Structural SteelA167 Specification for Stainless and Heat-ResistingChromium-Nickel Steel Plate, Sheet, and StripA492 Specification for Stainless Steel Rope WireA668/A668M Specification for Steel Forgings, Carbon andAlloy, for Gene
6、ral Industrial UseB209 Specification for Aluminum and Aluminum-AlloySheet and PlateB580 Specification for Anodic Oxide Coatings on Alumi-numF708 Practice for Design and Installation of Rigid PipeHangers2.2 Other Documents:ANSI B18.1 Small Solid Rivets4American Welding Society D1.1 on Steel53. Classi
7、fication3.1 Valve locking devices shall be classified by the follow-ing types and grades in accordance with the method of lockingand material used.3.2 Types:3.2.1 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 F
8、ig. 5).3.3 Grades:3.3.1 Grade AStainless steel, Specification A167, Type316.3.3.2 Grade BAnodized aluminum, Specification B209,Alloy 5052.3.3.3 Grade CCarbon steel, commercial quality steel (seeSpecification A36/A36M).4. Ordering Information4.1 Orders for material under this specification shall incl
9、udethe following:4.2 ASTM Designation and year of issue.4.3 Type.4.4 Grade.4.5 Padlock Size (if necessary).4.6 Rubber Coating (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 Minimu
10、m height (fully closed).4.7.2.3 Handwheel thickness.4.7.2.4 Handwheel depth.4.7.2.5 Diameter at location of attachment.1This specification is under the jurisdiction of ASTM Committee F25 on Shipsand Marine Technology and is the direct responsibility of Subcommittee F25.11 onMachinery and Piping Syst
11、ems.Current edition approved April 1, 2011. Published April 2011. Originallyapproved in 1986. Last previous edition approved in 2006 as F993 86(2006). DOI:10.1520/F0993-86R11.2This specification is intended to supersede NAVSEADrawing S4824-1385509.However, cancellation of that drawing and adoption o
12、f this specification can only beeffected by the Navy.3For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.4Availab
13、le from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org5Available from American Welding Society (AWS), 550 NW LeJeune Rd.,Miami, FL 33126, http:/www.aws.org.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshoho
14、cken, PA 19428-2959, United States.4.7.3 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.FIG. 1 Type IWire Rope AssemblyFIG. 2 Miscellaneous Type I DetailsF993 86 (2011)25. Materials and Manufacture5.1 Materials:5.1.1 Type I Materials:5.1.1.1 Pipe ClampIndic
15、ate diameter, similar to PracticeF708, Fig. 1, material specified by grade.5.1.1.2 Ring LinkSize to be not less than clearance shownin Practice F708, Table 3, Column F, material specified bygrade.5.1.1.3 Common Wire Strand316-in. diameter, sevenstrands of seven wires each, stainless steel, Specifica
16、tionA492,Alloy 316.5.1.1.4 Tiller Rope Clamp316-in. cable size, manufac-turer, stainless steel (optional).5.1.1.5 Rigid Eye Spring Hook58-in. eye diameter,12-in.snap opening, plated forged steel, Specification A668/A668M,Class D.5.1.1.6 SleeveSwaging, oval, for316-in. diameter wirerope, copper.5.1.2
17、 Type II Materials:5.1.2.1 Modified Pipe ClampIndicate diameter, similar toPractice F708, Fig. 1, material specified by grade.5.1.2.2 Flat Head Rivet14-in. nominal size, ANSI B18.1,material specified by grade.5.1.2.3 Single Acting Quick Release Pin14-in. nominalsize by510-in. grip, stainless steel,
18、Specification A167, Type316.5.1.2.4 LanyardWire rope,18-in. diameter, seven strandsof seven wires each, 12 in. long, stainless steel SpecificationA492, Alloy 316.5.1.2.5 SleeveSwaging, oval, for18-in. diameter wirerope, copper.5.1.2.6 Lanyard ClipFlatbar,116 in. thick by 1 in. wide by112 in. long, s
19、tainless steel, Specification A167, Alloy 316.5.1.2.7 Lever ArmSize to suit, 16-gage material specifiedby grade.5.1.3 Type III Materials:5.1.3.1 PlateIndicate size, 16 gage, material specified bygrade.5.1.3.2 Single-Acting Quick Release Pin14-in. nominalsize by12-in. grip, stainless steel, Specifica
20、tion A167, Type316.5.1.3.3 LanyardWire rope,18-in. diameter, seven strandsof seven wires each, 12 in. long, stainless steel, SpecificationA492, Alloy 316.5.1.3.4 SleeveSwaging, oval, for18-in. diameter wirerope, copper.5.1.3.5 Lanyard ClipFlatbar,116 in. thick by 1 in. wide by112 in. long, stainless
21、 steel, Specification A167, Alloy 316.5.1.3.6 Lockbar78 in. wide by length to suit by116 in.thick, material specified by grade.5.2 Manufacture:5.2.1 Edges of the locking device shall be smooth. Thedevices shall also be free of defects and burrs.5.2.2 Welds shall be done in accordance with AmericanWe
22、lding Society D1.1.6. General Requirements General Requirements6.1 A label plate shall be installed on or near the lockingdevice to instruct the operator on usage.6.2 When noise reduction is necessary, the contacting partsof the locking device shall have a rubber coating or lining.6.3 The locking de
23、vice must be able to lock the valve inboth the fully opened and completely closed positions.6.4 When using Type I, the cable shall be installed suffi-ciently tight to prevent more than slight movement of thehandwheel in a direction opposite of the designed position butnot so tight as to place the ca
24、ble in tension.FIG. 3 Type IIHandwheel LatchF993 86 (2011)36.5 The position of the locking device on the handwheelshall be as to resist movement of the valve stem.6.6 Type II dimensions shall be used to determine the size ofthe lever arm, extension on pipe hanger, and the position of thelocking hole
25、s and slot.6.7 When specified by the purchaser, a padlock can be usedinstead 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 diameterfor pin which shall be +132 in., 0 in
26、.8. Keywords8.1 locking device; marine technology; ship; valve; valvelocking deviceFIG. 4 Miscellaneous Type II DetailsF993 86 (2011)4FIG. 5 Type IIIValve Cover BoxF993 86 (2011)5ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item me
27、ntionedin this standard. Users of this standard 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 committe
28、e and must be reviewed every five years andif 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 meeti
29、ng of theresponsible technical committee, which 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
30、 Box C700, West Conshohocken, PA 19428-2959,United 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 ASTM website (www.astm.org/COPYRIGHT/).F993 86 (2011)6
