ISO - DIS 23991
Irrigation applications of ductile iron pipelines — Product design and installation
|Publication Date:||3 June 2021|
|ICS Code (Iron and steel pipes):||23.040.10|
|ICS Code (Steel pipes and tubes for specific use):||77.140.75|
This International Standard 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 International Standard, all pressures are relative pressures expressed in bars1).
This International Standard 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 International Standard.
This International Standard applies to pipes, fittings and accessories cast by any type of foundry process or manufactured by fabrication of cast components.
1) 100 kPa = 1 bar