CEN - PREN 12953-9
Shell boilers - Part 9: Requirements for limiting devices of the boiler and accessories
Organization: | CEN |
Publication Date: | 1 June 2023 |
Status: | pending |
Page Count: | 51 |
ICS Code (Boilers and heat exchangers): | 27.060.30 |
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 regulated in this document.