1、Designation:F113898(Reapproved 2014)An American National StandardStandard Specification forSpray Shields for Mechanical Joints1This standard is issued under the fixed designation F1138;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,
2、the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()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 specification describ
3、es the manufacturing require-ments for spray shield stock and the fabrication and installationrequirements for spray shields made from that stock.1.1.1 Sections 2 14 address the manufacturing require-ments for the spray shield stock.Annex A1 addresses thefabrication and installation requirements for
4、 the spray shields.1.1.2 Fig.1 shows the typical construction of a spray shield.Figs.2-6 show methods of installation of a spray shield onvarious mechanical joints.1.2 The shields are intended for use around mechanicaljoints(flanged,bolted unions,and so forth)in liquid pipingsystems to prevent the i
5、mpingement of flammable liquid on hotsurfaces or fluids onto electrical switchboards and componentsresulting from a leak in the mechanical joint.1.3 The values stated in inch-pound units are to be regardedas the standard.The values given in parentheses are forinformation only.2.Referenced Documents2
6、.1 ASTM Standards:2A176 Specification for Stainless and Heat-Resisting Chro-mium Steel Plate,Sheet,and StripA276 Specification for Stainless Steel Bars and ShapesA580/A580M Specification for Stainless Steel WireB134/B134M Specification for Brass WireB164 Specification for Nickel-Copper Alloy Rod,Bar
7、,andWireB166 Specification for Nickel-Chromium-Iron Alloys(UNSN06600,N06601,N06603,N06690,N06693,N06025,N06045,andN06696),Nickel-Chromium-Cobalt-Molybdenum Alloy(UNS N06617),and Nickel-Iron-Chromium-Tungsten Alloy(UNS N06674)Rod,Bar,andWireD1308 Test Method for Effect of Household Chemicals onClear
8、and Pigmented Organic FinishesD1424 Test Method for Tearing Strength of Fabrics byFalling-Pendulum(Elmendorf-Type)ApparatusD1682 Test Method for Breaking Load and Elongation ofTextile Fabric(Withdrawn 1992)3D1777 Test Method for Thickness of Textile MaterialsD3389 Test Method for Coated Fabrics Abra
9、sion Resistance(Rotary Platform Abrader)D3776 Test Methods for Mass Per Unit Area(Weight)ofFabricD3786 Test Method for Bursting Strength of TextileFabricsDiaphragm Bursting Strength Tester MethodD3951 Practice for Commercial PackagingF501 Test Method for Aerospace Materials Response toFlame,with Ver
10、tical Test Specimen(for Aerospace Ve-hicles Standard Conditions)(Withdrawn 1998)32.2 American Association of Textile Chemists and ColoristsStandards:AATCC-22 Water Repellency,Spray Test4AATCC-35 Water Resistance,Rain Test4AATCC-127 Water Resistance,Hydrostatic Pressure Test42.3 Military Standards:MI
11、L-C-20079 Cloth,Glass,Tape,Textile Glass and Thread,Glass5MIL-C-20696 Cloth,Coated,Nylon Waterproof52.4 Federal Standard:WW-C-440 Clamps,Hose(Low Pressure)53.Ordering Information3.1 ASTM designation and year of issue,3.2 Length and width required(see 7.1),and1This specification is under the jurisdic
12、tion of ASTM Committee F25 on Shipsand Marine Technology and is the direct responsibility of Subcommittee F25.07 onGeneral Requirements.Current edition approved Feb.1,2014.Published February 2014.Originallyapproved in 1988.Last previous edition approved in 2007 as F1138 98(2007).DOI:10.1520/F1138-98
13、R14.2For 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.3The last approved version of this historical standard is refe
14、renced onwww.astm.org.4Available from American Association of Textile Chemists and Colorists(AATCC),P.O.Box 12215,Research Triangle Park,NC 27709,http:/www.aatcc.org.5Available from U.S.Government Printing Office Superintendent of Documents,732 N.Capitol St.,NW,Mail Stop:SDE,Washington,DC 20401,http
15、:/www.access.gpo.gov.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 3.3 Type of stainless steel(see 4.1).3.4 Type of lacing hardware required(see 4.1.1).4.Materials and Manufacture4.1 Lacing hooks,lacing rings,and lacing washers(see Fig.
16、7)shall be constructed of stainless steel in accordance withSpecifications A176,A276,or A580/A580M.4.1.1 Lacing rings may be used instead of lacing hookswhere practicable or preferable(see 3.3).4.1.2 Lacing washers for fastening hooks or rings shall betwo-hole washers.4.2 Stitch wire(Piece 5 in Table 1)shall be constructed ofstainless steel in accordance with Specification A580/A580M.4.3 The aluminized glass cloth,thread,and the protectiveouter jacket shall be constructed of material as specifie
