SR EN 12953-9:2025

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

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.

50.62

Status : Valid
Approval date : 1/31/2025
Number of pages : 51
ICS : 27.060.30 Boilers and heat exchangers
Technical Committee : 225 - Central heating boilers

Relations with other standards: