Abstract

Specifies a method for testing the fatigue strength and performance of thermoplastic valves incorporated in a valve assembly with its obturator mechanism under pressure. Repeated opening and closing shall be performed for as many cycles and using the torque as specified by the particular product standard.


General information 

  • Status
     :  Withdrawn
    Publication date
     : 1989-06
  • Edition
     : 1
    Number of pages
     : 2
  • Technical Committee
     : ISO/TC 138/SC 7 Valves and auxiliary equipment of plastics materials
  • ICS
     :
    23.060.01 Valves in general
    83.140.30 Plastics pipes and fittings for non fluid use

Life cycle


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