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ASTM F2191-02(2008)

(Specification)

Standard Specification for Packing Material, Graphitic or Carbon Braided Yarn

Standard Specification for Packing Material, Graphitic or Carbon Braided Yarn

ABSTRACT
This specification covers staple or continuous filament carbon/graphite yarn valve stem compression packing, suitable for use as end-rings on packing systems for valves. Intended services include steam, hydrocarbons, water and non-oxidizing chemicals. The material shall be of the following types, classes, and grades: Type I, type II, and Type III; Class 1; Class 2; and Class 3; and Grade A and Grade B. The following tests shall be performed: size; mass; carbon assay; ash content; specific gravity; moisture content; detrimental materials tests; analysis of PTFE coating; compression recovery; and braid geometry retention.
SCOPE
1.1 This specification covers staple or continuous filament carbon/graphite yarn valve stem compression packing, suitable for use as end-rings on packing systems for valves. Intended services include steam, hydrocarbons, water and non-oxidizing chemicals. Where this specification is invoked as ASTM F 2191, Sections 1-18 apply. Where this specification is invoked as ASTM/DoD F 2191, Sections 1-18 and the Supplementary Requirements are applicable.
1.2 The values stated in SI units are to be regarded as the standard.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
30-Apr-2008
ICS
55.040 - Packaging materials and accessories
Technical Committee
F25 - Ships and Marine Technology
Drafting Committee
F25.02 - Insulation/Processes
Current Stage
Ref Project

Relations

Replaces
ASTM F2191-02 - Standard Specification for Packing Material, Graphitic or Carbon Braided Yarn
Effective Date
01-May-2008
Replaced By
ASTM F2191/F2191M-13 - Standard Specification for Packing Material, Graphitic or Carbon Braided Yarn
Effective Date
15-Dec-2013

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ASTM F2191-02(2008) - Standard Specification for Packing Material, Graphitic or Carbon Braided YarnASTM F2191-02(2008) - Standard Specification for Packing Material, Graphitic or Carbon Braided Yarn
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ASTM F2191-02(2008) - Standard Specification for Packing Material, Graphitic or Carbon Braided Yarn
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:F2191 −02(Reapproved 2008) An American National Standard
Standard Specification for
1
Packing Material, Graphitic or Carbon Braided Yarn
This standard is issued under the fixed designation F2191; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope D3178Test Methods for Carbon and Hydrogen in the
3
Analysis Sample of Coal and Coke (Withdrawn 2007)
1.1 This specification covers staple or continuous filament
D3684Test Method for Total Mercury in Coal by the
carbon/graphiteyarnvalvestemcompressionpacking,suitable
Oxygen BombCombustion/Atomic Absorption Method
for use as end-rings on packing systems for valves. Intended
D3761Test Method for Total Fluorine in Coal by the
servicesincludesteam,hydrocarbons,waterandnon-oxidizing
Oxygen Bomb Combustion/Ion Selective Electrode
chemicals. Where this specification is invoked as ASTM
Method
F2191, Sections 1-18 apply. Where this specification is in-
D3951Practice for Commercial Packaging
voked as ASTM/DoD F2191, Sections 1-18 and the Supple-
D4239Test Method for Sulfur in the Analysis Sample of
mentary Requirements are applicable.
Coal and Coke Using High-Temperature Tube Furnace
1.2 The values stated in SI units are to be regarded as the
Combustion
standard.
2.2 Military Standards:
1.3 This standard does not purport to address all of the 4
MIL-STD-129 Marking for Shipment and Storage
safety concerns, if any, associated with its use. It is the
MIL-P-24583 Packing Material, Graphitic or Carbon
responsibility of the user of this standard to establish appro- 4
Braided Yarn
priate safety and health practices and determine the applica-
MIL-P-24503Packing Material, Graphitic, Corrugated Rib-
4
bility of regulatory limitations prior to use.
bon or Textured Tape and Preformed Ring
2.3 Fluid Sealing Association Handbook:
2. Referenced Documents
Guidelines for the Use of Compression Packings, Copyright
2
5
2.1 ASTM Standards:
1997
C135Test Method for True Specific Gravity of Refractory
Materials by Water Immersion
3. Terminology
C561Test Method for Ash in a Graphite Sample
3.1 base fiber density—bulk density of the base fiber before
C562Test Method for Moisture in a Graphite Sample
being coated or impregnated and braided into packing; ex-
C816Test Method for Sulfur in Graphite by Combustion-
3
pressed as lb/ft .
Iodometric Titration Method
3.2 braided flexible graphite—a braid constructed of con-
C889Test Methods for Chemical and Mass Spectrometric
tinuous strands or strips of expanded flexible graphite tape or
Analysis of Nuclear-Grade Gadolinium Oxide (Gd O )
2 3
ribbons which may have been overwrapped or have imbedded
Powder
reinforcing fibers.
D129Test Method for Sulfur in Petroleum Products (Gen-
eral High Pressure Decomposition Device Method)
3.3 carbon fibers—fibers used in braided packing are pro-
D512Test Methods for Chloride Ion In Water duced from viscose rayon, pitch, or polyacrylonitrile (PAN)
D1179Test Methods for Fluoride Ion in Water andaredefinedasayarnwithacarbonassayoflessthan99%.
D1246Test Method for Bromide Ion in Water
3.4 carbon yarns—manufactured from continuous or staple
carbon fibers that are twisted or plied into continuous indi-
vidual strands of between 6 and 18 µm in diameter.
1
This specification is under the jurisdiction ofASTM Committee F25 on Ships
and Marine Technology and is the direct responsibility of Subcommittee F25.02 on
Insulation/Processes.
3
CurrenteditionapprovedMay1,2008.PublishedJuly2008.Originallyapproved The last approved version of this historical standard is referenced on
in 2002. Last previous edition approved in 2002 as F2191-02. DOI: 10.1520/ www.astm.org.
4
F2191-02R08. Available from Standardization Documents Order Desk, DODSSP, Bldg. 4,
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Section D, 700 Robbins Ave., Philadelphia, PA 19111-5098, http://
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM www.dodssp.daps.mil.
5
Standards volume information, refer to the standard’s Document Summary page on Available from the Fluid Sealing Association, 994 Old Eagle School Road,
the ASTM website. Suite 1019, Wayne, PA 19087-1866.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
F2191−02 (2008)
TABLE 2 Detrimental Materials (Class 2 only (see 13.8))
3.5 carbon/graphite fibers—carbon/graphite fibers used in
braided packing are produced from viscose rayon, pitch, or Maximum Allowable
Total
polyacrylonitrile (PAN).
Element Impurity Levels in
parts per million
...

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SCOPE
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