ISO 23991:2022
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ISO 23991:2022
77567

Abstract  Preview

This document specifies the design factor, technical requirements, test methods, installation technologies and operation advices applicable to ductile iron pipes, fittings and accessories used in piped irrigation applications.

NOTE      In this document, all pressures are relative pressures expressed in bars.

This document also specifies materials, dimensions and tolerances, mechanical properties and standard coatings of pipes, fittings and accessories. It also gives performance requirements for all components including joints.

Joint design and gasket shapes are outside the scope of this document.

This document applies to pipes, fittings and accessories cast by any type of foundry process or manufactured by fabrication of cast components.


General information 

  •  :  Published
     : 2022-04
  •  : 1
     : 30
  •  : ISO/TC 5/SC 2 Cast iron pipes, fittings and their joints
  •  :
    23.040.10 Iron and steel pipes
    77.140.75 Steel pipes and tubes for specific use

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std 1 138 PDF + ePub
std 2 138 Paper
  • CHF138

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