ČSN EN 12953-9
Válcové kotle - Část 9: Požadavky na omezovací zařízení pro kotle a příslušenstvíNOVÁ NORMA
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ČSN EN 12953-9
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.
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