ISO 21013-1:2021

Status : Published

	Format	Language
std 1 61	PDF + ePub
std 2 61	Paper

CHF61

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Abstract

This document specifies the requirements for the design, manufacture and testing of pressure relief valves for cryogenic service, i.e. for operation with cryogenic fluids below −10 °C in addition to operation at ambient temperatures from ambient to cryogenic.

This document is applicable to valves not exceeding a size of DN 150 designed to relieve
single-phase vapours or gases. A valve can be specified, constructed and tested such that it is suitable for use with more than one gas or with mixtures of gases.

NOTE This document does not provide methods for determining the capacity of relief valve(s) for a particular cryogenic vessel. Such methods are provided in ISO 21013-3.

General information

Status
: Published

Publication date
: 2021-12

Stage
: International Standard published [60.60]
Edition
: 2

Number of pages
: 11
Technical Committee :
ISO/TC 220

ICS :
23.020.40
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