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ASTM F2168-13

Standard Specification for Packing Material, Graphitic, Corrugated Ribbon or Textured Tape, and Die-Formed Ring
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This specification covers various types, classes, and grades of flexible graphite material in which valve media temperatures are limited to a maximum temperature. The material shall be classified into two types, classes, and grades. Type I is a corrugated ribbon or textured tape, Type II is die-formed ring. Class 1 is for use where detrimental material content of the packing need not be controlled beyond normal manufacturing limit and Class 2 is for use where detrimental material content must be controlled to the limits specified herein. Grade A is treated with corrosion inhibitor and Grade B not treated with corrosion inhibitor. Different tests and measurements shall be conducted in order to determine the following properties: size, bulk density, ash content, and graphite purity.

1.1 Scope—This specification covers various types, classes, and grades of flexible graphite material in which valve media temperatures are limited to a maximum of 966°C. Where this specification is invoked as ASTM F2168, Sections 1 – 18 apply. Where this specification is invoked as ASTM/DoD F2168, Sections 1 – 18 and the Supplementary Requirements apply.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

SDO ASTM: ASTM International
Document Number F2168
Publication Date Oct. 1, 2013
Language en - English
Page Count 7
Revision Level 13
Supercedes
Committee F25.02
Publish Date Document Id Type View
June 1, 2024 F2168-13R24 Revision
Dec. 1, 2019 F2168-13R19 Revision
Oct. 1, 2013 F2168-13 Revision
May 1, 2008 F2168-02R08 Revision
Feb. 10, 2002 F2168-02 Revision