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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.
Reģistrācijas numurs (WIID)
38327
Darbības sfēra
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.
