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# ISO DIS 21011

## Cryogenic vessels — Valves for cryogenic service

active, Most Current
 Organization: ISO Publication Date: 22 March 2021 Status: active Page Count: 19 ICS Code (Cryogenic vessels): 23.020.40
##### scope:

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.

It applies 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.

### Document History

ISO DIS 21011
March 22, 2021
Cryogenic vessels — Valves for cryogenic service
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...
February 1, 2008
Cryogenic vessels — Valves for cryogenic service
This International Standard 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...