DSF/EN 161/prA1
Automatic shut-off valves for gas burners and gas appliances - Special requirements to determine the performance level (PL)
| Organization: | DS |
| Status: | inactive |
| Page Count: | 26 |
| ICS Code (Pressure regulators): | 23.060.40 |
scope:
Shall be according to Clause 1 with the following addition: This Annex is only applicable to valves or valve functions which are declared to comply with performance level requirements (PL) according to EN ISO 13849-1:2008, clauses 1, 2, 3, 4.1, 4.2, 4.5, 7, 8, 9, 10, 11, and annexes C.4, E, and F. This Annex specifies a set of additional requirements to EN 161:2011 to determine the probability of dangerous failures per hour for continuous or high demand mode (PFHD) and the performance level (PL) for electromechanical valves or valve functions used in industrial and thermoprocessing applications (e. g. EN 746-2).
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