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Homepage>BS Standards>23 FLUID SYSTEMS AND COMPONENTS FOR GENERAL USE>23.020 Fluid storage devices>23.020.40 Cryogenic vessels>21/30429537 DC BS EN ISO 21011. Cryogenic vessels. Valves for cryogenic service
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immediate downloadReleased: 2021-04-01
21/30429537 DC BS EN ISO 21011. Cryogenic vessels. Valves for cryogenic service

21/30429537 DC

BS EN ISO 21011. Cryogenic vessels. Valves for cryogenic service

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Standard number:21/30429537 DC
Pages:21
Released:2021-04-01
Status:Draft for Comment
DESCRIPTION

21/30429537 DC


This standard 21/30429537 DC BS EN ISO 21011. Cryogenic vessels. Valves for cryogenic service is classified in these ICS categories:
  • 23.020.40 Cryogenic vessels

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.