SRPS EN 12953-9:2025

Shell boilers - Part 9: Requirements for limiting devices of the boiler and accessories

Scope

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.

Related directives

NOTE: If the word "harmonized" (marked in green) is not found in the field with the name of the directive, it means that the European standard is not cited in the OJEU.