ISO/CD 21011

Projet

Examen du projet par le comité en cours.

Remplacera ISO 21011:2008

Résumé

This document specifies the requirements for the design, manufacture, and testing of valves for a rated

temperature of −40 °C and below (cryogenic service), i.e., for operation with cryogenic fluids in addition

to operation at temperatures from ambient to cryogenic.

This document is applicable to all types of cryogenic valves, including vacuum jacketed cryogenic valves

up to size DN 200. This document can be used as guidance for larger size valves.

This document is not applicable to pressure relief valves covered by ISO 21013-1