This document specifies requirements for limiters which are incorporated into safety systems for shell boilers as specified in EN 12953 1:2012.
The design requirements and examination of the limiters are covered in this document.
NOTE See Annex E for determination of the characteristic data for use in protective circuits with a safety integrity level (SIL) rating. The requirements for limiters with regard to the safety integrity level (SIL), for example, in accordance with EN 61508 are not covered in this document.
Directives related to this standards.
Directive 2014/68/EU of the European Parliament and of the Council of 15 May 2014 on the harmonisation of the laws of the Member States relating to the making available on the market of pressure equipment
PUBLISHED
SSH EN 12953-9:2007
IN_DEVELOPMENT
prSSH EN 12953-9:2024
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Feb 10, 2025
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