International Standard
ISO 8659:2020
Thermoplastics valves — Fatigue strength — Test method
Reference number
ISO 8659:2020
Edición 2
2020-04
© ISO 2024
International Standard
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Publicado (Edición 2, 2020)

ISO 8659:2020

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CHF 42
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Resumen

This document specifies the endurance test necessary to confirm the ability of hand-operated plastics valves to withstand prolonged use, with repeated opening and closure. It does not specify the ability of valves to withstand adverse conditions, in particular those of chemically aggressive fluid media and/or environments, or excessive fluid velocities and cavitation.

NOTE Concerning the chemical aggression of the materials, a classification table is reported in ISO/TR 10358[1].

This document includes values of the parameters necessary for the proper performance of the endurance test, with the reservation that the parameters are different in particular product standards (see 5.1).

Informaciones generales

  • Estado
     : Publicado
    Fecha de publicación
     : 2020-04
    Etapa
    : Norma Internacional publicada [60.60]
  • Edición
     : 2
    Número de páginas
     : 5
  • Comité Técnico :
    ISO/TC 138/SC 7
  • RSS actualizaciones

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