Abstract Preview

Specifies a test method for the determination of the opening and closing torque of thermoplastic valves. Testing shall be carried out by nominal pressure before and after a conditioning period.


General information

  • Status :  Published
    Publication date : 1988-12
  • Edition : 1
    Number of pages : 2
  • :
    ISO/TC 138/SC 7
    Valves and auxiliary equipment of plastics materials
  • 23.060.01
    Valves in general
    83.140.30
    Plastics pipes and fittings for non fluid use

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Life cycle

A standard is reviewed every 5 years



Revisions / Corrigenda

  • Now under review
    ISO 8233:1988
  • Will be replaced by
    ISO/WD 8233

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