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<p class="MsoBodyText"><span lang="EN-GB">This document covers the type testing of valve stem seals using a test fixture that is designed and fully defined to be representative of the performance of a valve using similar geometry.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">This document is applicable to stem seals for multi-turn, linear and quarter turn valves. It is intended to provide comparative type test results confirming the performance of seal manufacturers’ stem seal designs.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">This document is not intended to replace type testing of complete valve assemblies or valve production testing.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">Compliance with this document is not intended to be a mandatory qualification test to be completed for a stem seal design prior to testing a valve to the requirements of ISO 15848-1.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">Compressible seals with and without live loading, elastomers and pressure energized seals are in the scope of this document.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">Corrosion tests are not included in this document.</span></p>
Reģistrācijas numurs (WIID)
82929
Darbības sfēra
<p class="MsoBodyText"><span lang="EN-GB">This document covers the type testing of valve stem seals using a test fixture that is designed and fully defined to be representative of the performance of a valve using similar geometry.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">This document is applicable to stem seals for multi-turn, linear and quarter turn valves. It is intended to provide comparative type test results confirming the performance of seal manufacturers’ stem seal designs.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">This document is not intended to replace type testing of complete valve assemblies or valve production testing.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">Compliance with this document is not intended to be a mandatory qualification test to be completed for a stem seal design prior to testing a valve to the requirements of ISO 15848-1.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">Compressible seals with and without live loading, elastomers and pressure energized seals are in the scope of this document.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">Corrosion tests are not included in this document.</span></p>
