ASTM F2168-2002(2008) Standard Specification for Packing Material Graphitic Corrugated Ribbon or Textured Tape and Die-Formed Ring《包装材料、石墨、波纹带或织构带、冲压环的标准规范》.pdf
《ASTM F2168-2002(2008) Standard Specification for Packing Material Graphitic Corrugated Ribbon or Textured Tape and Die-Formed Ring《包装材料、石墨、波纹带或织构带、冲压环的标准规范》.pdf》由会员分享,可在线阅读,更多相关《ASTM F2168-2002(2008) Standard Specification for Packing Material Graphitic Corrugated Ribbon or Textured Tape and Die-Formed Ring《包装材料、石墨、波纹带或织构带、冲压环的标准规范》.pdf(6页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: F 2168 02 (Reapproved 2008)An American National StandardStandard Specification forPacking Material, Graphitic, Corrugated Ribbon or TexturedTape, and Die-Formed Ring1This standard is issued under the fixed designation F 2168; the number immediately following the designation indicates th
2、e year oforiginal adoption or, in the case of revision, 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.1. Scope1.1 ScopeThis specification covers various types, clas
3、ses,and grades of flexible graphite material in which valve mediatemperatures are limited to a maximum of 1050F (966C).Where this specification is invoked as ASTM F 2168, Sections1-18 apply. Where this specification is invoked as ASTM/DoDF 2168, Sections 1-18 and the Supplementary Requirementsare ap
4、plicable.1.2 The values stated in SI units are to be regarded asstandard.2. Referenced Documents2.1 ASTM Standards:2C 559 Test Method for Bulk Density by Physical Measure-ments of Manufactured Carbon and Graphite ArticlesC 561 Test Method for Ash in a Graphite SampleC 816 Test Method for Sulfur in G
5、raphite by Combustion-Iodometric Titration MethodC 889 Test Methods for Chemical and Mass SpectrometricAnalysis of Nuclear-Grade Gadolinium Oxide (Gd2O3)PowderD 129 Test Method for Sulfur in Petroleum Products (Gen-eral Bomb Method)D 512 Test Methods for Chloride Ion In WaterD 1179 Test Methods for
6、Fluoride Ion in WaterD 1246 Test Method for Bromide Ion in WaterD 3178 Test Methods for Carbon and Hydrogen in theAnalysis Sample of Coal and Coke3D 3684 Test Method for Total Mercury in Coal by theOxygen BombCombustion/Atomic Absorption MethodD 3761 Test Method for Total Fluorine in Coal by theOxyg
7、en Bomb Combustion/Ion Selective ElectrodeMethodD 3951 Practice for Commercial PackagingD 4239 Test Methods for Sulfur in the Analysis Sample ofCoal and Coke Using High-Temperature Tube FurnaceCombustion Methods3. Terminology3.1 Definitions:3.1.1 accordion crease, nbecause of the method of con-struc
8、tion of die-formed rings, an accordion-like linear indica-tion (crease) may appear singularly or in multiple locationsaround the inside and outside diameter surface.3.1.2 corrosion inhibitors, nadditives to the products tofunction in a passive or sacrificial manner to reduce galvaniccorrosion. These
9、 additives are typically embedded zinc pow-der, phosphorus, or barium molybdate.3.1.3 corrugated ribbon, ngraphite ribbon or tape that issubjected to mechanical pressure in a consistent manner toapply surface indentations to the tape or ribbon.3.1.4 density, nthe mass per unit volume at a specifiedt
10、emperature.3.1.5 detrimental materials, nabrasive or chemically ac-tive constituents such as ash particles (in high ash content foils)or elemental materials that can cause galvanic action orcorrosion in long-term storage or service environments.3.1.6 die-formed ring, na packing ring made by mechani-
11、cally compacting winds of graphite ribbon or braided packingin a die or fixture.3.1.7 lot, nall finished packing of one size, type, class,and grade produced in a continuous run or at the same timeunder essentially the same conditions.3.1.8 set, nthe packing components required to pack onevalve.3.1.9
12、 size, nrefers to the physical dimensions of thepacking material.4. Classification4.1 ClassificationThe material shall be of the followingtypes, classes, and grades as specified (see Section 5).4.1.1 Type ICorrugated ribbon or textured tape.4.1.2 Type IIDie-formed ring.1This specification is under t
13、he jurisdiction of ASTM Committee F25 on Shipsand Marine Technology and is the direct responsibility of Subcommittee F25.02 onInsulation/Processes.Current edition approved May 1, 2008. Published July 2008. Originally approvedin 2002. Last previous edition approved in 2002 as F 2168 - 02.2For referen
14、ced 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.3Withdrawn.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C
15、700, West Conshohocken, PA 19428-2959, United States.4.1.3 Class 1For use where detrimental material contentof the packing need not be controlled beyond normal manu-facturing limit (commercial grade).4.1.4 Class 2For use where detrimental material contentmust be controlled to the limits specified he
16、rein.4.1.5 Grade ATreated with corrosion inhibitor.4.1.6 Grade BNo corrosion inhibitor.5. Ordering Information5.1 Contracts or orders for the units under this specificationshall include the following information:5.1.1 Title, number, and date of this specification.5.1.2 Type, class, and grade.5.1.3 T
17、ype of corrosion inhibitor (see 6.1.3 and Supplemen-tary Requirements).5.1.4 Specify density of die-formed rings.5.1.5 Inspection, testing, and certification of the materialshould be agreed upon between the purchaser and the supplieras part of the purchase contract (see Sections 14 and 16).5.1.6 Whe
18、n die-formed (Type II) packing rings are desired,the ring height, inside diameter, outside diameter, number ofcuts, and number of packing rings required per set (see 9.2 and9.3).5.1.7 Marking requirements (see Section 17 and Supple-mentary Requirements).5.1.8 Packaging requirements (see Section 18 a
19、nd Supple-mentary Requirements).5.1.9 Application data (to include operating pressure, oper-ating temperature, and media).5.1.10 Specify thickness of Type I.6. Materials and Manufacture6.1 MaterialRequirements specified herein apply to Class1 and Class 2 and Grade A and Grade B packing, except where
20、noted.6.1.1 Type IThe packing shall be made entirely of flexiblegraphitic material having no binders and meeting the require-ments of Tables 1 and 2.6.1.2 Type IIDie-formed packing rings shall be manufac-tured from flexible graphitic material conforming to the re-quirements of Tables 1 and 2.6.1.3 C
21、oating and Corrosion-Inhibiting Treatments:6.1.3.1 Grade AGrade A packing shall be provided with apowdered zinc active corrosion-inhibiting treatment or a pas-sive inhibiting treatment such as phosphorous or bariummolybdate, as specified (see Section 5). If the use of inhibitorsis required, both pas
22、sive and active inhibitors shall be permit-ted to be used.6.1.3.2 Grade BGrade B packing shall not containcorrosion-inhibiting additives.6.1.4 Mercury ExclusionDuring manufacturing, fabrica-tion, handling, packaging, and packing, the packing materialshall not come in contact with mercury or mercury
23、containingcompounds.7. Properties7.1 Chemical and Physical PropertiesUnless otherwisespecified, the properties of the finished packing shall conformto the requirements of Table 1. Class 2 also requires compli-ance with Table 2.7.2 Prohibited AdditionsThere shall be no intentionaladditions of any of
24、the detrimental materials of Table 2 orantimony (Sb), arsenic (As), bismuth (Bi), cadmium (Cd),gallium (Ga), indium (In), lead (Pb), mercury (Hg), silver (Ag),or tin (Sn) during the manufacturing, fabrication, handling,packaging, and packing of the product.8. Other Requirements8.1 No other requireme
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