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ASTM D3832-79(2022)

Current Reaffirmation

Standard Specification for Rubber Seals Contacting Liquids in Solar Energy Systems

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1.1 This specification covers the general requirements for materials used in preformed rubber seals that contact the circulating liquid in solar energy systems. Particular applications may necessitate other requirements that would take precedence over these requirements when specified.

1.2 This specification does not include requirements pertaining to the design, fabrication, or installation of the seals.

1.3 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.


This specification covers the general requirements for materials used in preformed rubber seals that contact the circulating liquid in solar energy systems. Rubber seal can be classified into types, grades and classes. It has two kinds according to what climate they should be used: Type C which is intended for use in cold climates and Type W which is intended for use in warm climates. Its grade designations represent differing degrees of hardness such as Grade 3, Grade 4, Grade 5, Grade 6, Grade 7 and Grade 8. As for the classes, it should be determined into 3 kinds. Class A for seals used with aqueous liquid at a certain maximum service temperature. Class AT for seals used with aqueous liquids at an above maximum service temperature and class N for use with nonaqueous liquids. Different tests shall be conducted in order to determine the following properties of rubber seals in liquid heat-transport systems: compression, resistance to heating, hardness, ultimate elongation, volume, resistance to ozone, resistance to low temperature, and resistance to liquid.


SDO ASTM: ASTM International
Document Number D3832
Publication Date Oct. 1, 2022
Language en - English
Page Count 3
Revision Level 79(2022)
Supercedes
Committee D11.37
Publish Date Document Id Type View
Oct. 1, 2022 D3832-79R22 Reaffirmation
May 1, 2017 D3832-79R17 Reaffirmation
Nov. 1, 2011 D3832-79R11 Reaffirmation
July 1, 2006 D3832-79R06 Reaffirmation
Jan. 1, 2001 D3832-79R01 Reaffirmation
Jan. 1, 2001 D3832-79R97E01 Reaffirmation