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ASTM F37-06(2019)

(Test Method)

Standard Test Methods for Sealability of Gasket Materials

Standard Test Methods for Sealability of Gasket Materials

SIGNIFICANCE AND USE
4.1 These test methods are designed to compare gasket materials under controlled conditions and to provide a precise measure of leakage rate.  
4.2 These test methods are suitable for measuring leakage rates as high as 6 L/h and as low as 0.3 mL/h. In many cases, “zero” leakage may not be attainable.  
4.3 These test methods evaluate leakage rates after time periods that are typically 5 to 30 min under load. Holding a gasket material under load for extended time periods may give different results.  
4.4 If the fluid being used in the test causes changes, such as swelling, in the gasket material, then unpredictable results may be obtained.
SCOPE
1.1 These test methods provide a means of evaluating the sealing properties of sheet and solid form-in-place gasket materials at room temperature. Test Method A is restricted to liquid leakage measurements, whereas Test Method B may be used for both liquid and gas leakage measurements.  
1.2 These test methods are suitable for evaluating the sealing characteristics of a gasket material under different compressive flange loads. The test method may be used as an acceptance test when the producer and user have agreed to specific test conditions for the following parameters: test medium, internal pressure on medium, and flange load on gasket specimens.  
1.3 These test methods use a small-diameter narrow-width gasket as the test specimen under relatively low gasket loads and relatively low pressures. Test Method F2378 is another sealability test method that uses a larger gasket specimen and higher internal pressures and flange loads.  
1.4 The values stated in SI units are to be regarded as the standard. The values in parentheses are for information only.  
1.5 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. (For specific hazard or warning statements, or both, see 5.2.11, Section 6, 6.3, 8.2.4, 11.3.2, and 11.4.2.)  
1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

Status
Published
Publication Date
30-Apr-2019
ICS
23.100.60 - Filters, seals and contamination of fluids
73.080 - Non-metalliferous minerals
Technical Committee
F03 - Gaskets
Drafting Committee
F03.10 - Composite Gaskets
Current Stage
Ref Project

Relations

Refers
ASTM F38-18 - Standard Test Methods for Creep Relaxation of a Gasket Material
Effective Date
01-Aug-2018
Referred By
ASTM F112-00(2019) - Standard Test Method for Sealability of Enveloped Gaskets
Effective Date
01-May-2019
Referred By
ASTM F104-11(2020) - Standard Classification System for Nonmetallic Gasket Materials
Effective Date
01-May-2019

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ASTM F37-06(2019) - Standard Test Methods for Sealability of Gasket MaterialsASTM F37-06(2019) - Standard Test Methods for Sealability of Gasket Materials
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ASTM F37-06(2019) - Standard Test Methods for Sealability of Gasket Materials
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This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: F37 − 06 (Reapproved 2019)
Standard Test Methods for
1
Sealability of Gasket Materials
This standard is issued under the fixed designation F37; 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.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. Scope 2. Referenced Documents
2
2.1 ASTM Standards:
1.1 These test methods provide a means of evaluating the
D471 Test Method for Rubber Property—Effect of Liquids
sealing properties of sheet and solid form-in-place gasket
D2000 Classification System for Rubber Products in Auto-
materials at room temperature. Test Method A is restricted to
motive Applications
liquid leakage measurements, whereas Test Method B may be
E691 Practice for Conducting an Interlaboratory Study to
used for both liquid and gas leakage measurements.
Determine the Precision of a Test Method
1.2 These test methods are suitable for evaluating the
F38 Test Methods for Creep Relaxation of a Gasket Material
sealing characteristics of a gasket material under different
F104 Classification System for Nonmetallic Gasket Materi-
compressive flange loads. The test method may be used as an
als
acceptance test when the producer and user have agreed to
F2378 Test Method for Sealability of Sheet, Composite, and
specific test conditions for the following parameters: test
Solid Form-in-Place Gasket Materials
3
medium, internal pressure on medium, and flange load on
2.2 ANSI Standard:
gasket specimens.
B57.1 Compressed Gas Cylinder Valve Outlet and Inlet
Connections
1.3 These test methods use a small-diameter narrow-width
2.3 ASTM Adjuncts:
gasket as the test specimen under relatively low gasket loads
4
Leakage Test Fixtures
and relatively low pressures. Test Method F2378 is another
sealability test method that uses a larger gasket specimen and
3. Summary of Test Methods
higher internal pressures and flange loads.
3.1 Both test methods utilize a test specimen compressed
1.4 The values stated in SI units are to be regarded as the
betweenthesurfacesoftwosmoothsteelflangefaces.Afterthe
standard. The values in parentheses are for information only.
specified flange load is applied, the test medium is introduced
into the center of the annular gasket compressed between the
1.5 This standard does not purport to address all of the
flangesandthespecifiedpressureisappliedtothemedium.For
safety concerns, if any, associated with its use. It is the
liquid sealability tests (Test MethodsAand B), Reference Fuel
responsibility of the user of this standard to establish appro-
A (see Test Method D471, Motor Fuel Section of Annex) is
priate safety, health, and environmental practices and deter-
recommended and the leakage rate is measured by a change in
mine the applicability of regulatory limitations prior to use.
the level of a sight-glass located in the line upstream from the
(For specific hazard or warning statements, or both, see 5.2.11,
gasket testing fixture. Nitrogen is the recommended gas for the
Section 6, 6.3, 8.2.4, 11.3.2, and 11.4.2.)
gas sealability test (Test Method B) and the leakage rate is
1.6 This international standard was developed in accor-
measured by a change in the level of a water manometer
dance with internationally recognized principles on standard-
located in the line upstream from the gasket testing fixture.
ization established in the Decision on Principles for the
3.1.1 Test MethodAuses a test fixture (Fig. 1) by which an
Development of International Standards, Guides and Recom-
external load is transferred into the fixture to produce a
mendations issued by the World Trade Organization Technical
compressive force on the gasket specimen.
Barriers to Trade (TBT) Committee.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
1
These test methods are under the jurisdiction of ASTM Committee F03 on Standards volume information, refer to the standard’s Document Summary page on
Gaskets and are the direct responsibility of Subcommittee F03.10 on Composite the ASTM website.
3
Gaskets. Available from American National Standards Institute, 11 W. 42nd St., 13th
Current edition approved May 1, 2019. Published June 2019. Originally Floor, New York, NY 10036.
4
approved in 1962. Last previous edition approved in 2013 as F37 – 06 (2013). DOI: Available from ASTM International Headquarters. Order Adjunct No.
10.1520/F0037-06R19. A
...

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