1、Designation:F99386(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 of last
2、 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 specification2covers the application,de
3、sign,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 manufacturer,unles
4、s 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.Referenced Docum
5、ents2.1 ASTM Standards:3A36/A36M Specification for Carbon Structural SteelA167 Specification for Stainless and Heat-ResistingChromium-Nickel Steel Plate,Sheet,and Strip(With-drawn 2014)4A492 Specification for Stainless Steel Rope WireA668/A668M Specification for Steel Forgings,Carbon andAlloy,for Ge
6、neral 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 Rivets5American Welding Society D1.1 on Steel63.Class
7、ification3.1 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 Fig.5).
8、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 includethe follow
9、ing: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:1This specification is under the jurisdiction of ASTM Committee F25
10、 on Shipsand Marine Technology and is the direct responsibility of Subcommittee F25.11 onMachinery and Piping Systems.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 specificat
11、ion is intended to supersede NAVSEA Drawing S4824-1385509.However,cancellation of that drawing and adoption of 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 A
12、STMStandards volume information,refer to the standards Document Summary page onthe ASTM website.4The last approved version of this historical standard is referenced onwww.astm.org.5Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036,http:/www.ansi.org
13、.6Available from American Welding Society(AWS),550 NW LeJeune Rd.,Miami,FL 33126,http:/www.aws.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 4.7.2.1 Maximum height(fully opened).4.7.2.2 Minimum height(fully closed).4.7.2.3 Handwheel
14、 thickness.4.7.2.4 Handwheel depth.4.7.2.5 Diameter at location of attachment.4.7.3 Type III:4.7.3.1 Depth.4.7.3.2 Height.FIG.1 Type IWire Rope AssemblyFIG.2 Miscellaneous Type I DetailsF993 86(2011)2 4.7.3.3 Width.4.7.3.4 Outside diameter(OD)of pipe.5.Materials and Manufacture5.1 Materials:5.1.1 Ty
15、pe I Materials:5.1.1.1 Pipe ClampIndicate 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 eac
16、h,stainless steel,Specification A492,Alloy 316.5.1.1.4 Tiller Rope Clamp316-in.cable size,manufacturer,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 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
