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EN 13648-1:2008 Standard

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  Keywords:

#european #requirements #standard #iso #gases

  Directive

Pressure equipment Directive (2014/68/EU)

  Last Official Journal reference

Monday 12th of January 2026

  Description:

Cryogenic vessels - Safety devices for protection against excessive pressure - Part 1: Safety valves for cryogenic service

  Purpose

This European Standard specifies the requirements for the design, manufacture and testing of safety valves for cryogenic service, that is to say for operation with cryogenic fluids (as defined in EN 1251-1) below – 10 °C in addition to operation at ambient temperature. It is a requirement of this European Standard that the valves comply with EN ISO 4126-1 or EN ISO 4126-4. In the event of different requirements, the requirements for cryogenic service are applied. This European Standard is restricted to valves not exceeding a size of DN 100 for category B. The valves of category A are limited to DN 25 and set pressures up to 40 bars. Both categories are 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.

  Publication

Tuesday 19th of July 2016

  Related Standards

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EN ISO 21009-2:2015

Pressure equipment Directive (2014/68/EU)

Cryogenic vessels - Static vacuum insulated vessels - Part 2: Operational requirements (ISO 21009-2:2015)

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