Standard Svensk standard · SS-EN 13648-1:2008

Kryokärl - Säkerhetsanordningar till skydd mot skadligt tryck - Del 1: Säkerhetsventiler för kryogen användning

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Standard Svensk standard · SS-EN 13648-1:2008

Kryokärl - Säkerhetsanordningar till skydd mot skadligt tryck - Del 1: Säkerhetsventiler för kryogen användning
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Omfattning
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. NOTE 1 A cryogenic fluid (refrigerated liquefied gas) is a gas which is partially liquid because of its low temperature (including totally evaporated liquids and supercritical fluids). 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. NOTE 2 All safety valves covered in this European Standard correspond to category IV of PED (Directive 97/23/EC) and category 3 of TPED (Directive 99/36/EC). NOTE 3 This European Standard does not provide methods for determining the capacity of relief valve(s) for a particular cryogenic vessel. Such methods are provided in EN 13648-3.

Ämnesområden

Kryogena kärl (23.020.40) Tryckregulatorer (23.060.40)


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Standard Svensk standard · SS-EN 13648-1:2008

Kryokärl - Säkerhetsanordningar till skydd mot skadligt tryck - Del 1: Säkerhetsventiler för kryogen användning
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Produktinformation

Språk: Engelska

Framtagen av: Vätgasteknik, SIS/TK 410

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

Artikelnummer: STD-68411

Utgåva: 2

Fastställd: 2008-12-08

Antal sidor: 24

Ersätter: SS-EN 13648-1