This part of EN 746 together with EN 746-1 specifies safety requirements for single and multiple burners that are part of Industrial Thermoprocessing Equipment. (In this standard referred to as IThE).This document deals with significant hazards, hazardous situations and events relevant to combustion and fuel handling systems that are part of IThE as listed in Clause 4, when used as intended and under the conditions foreseen by the manufacturer.This European Standard covers:- fuel pipework downstream of and including the manual isolating valve;- burner(s), burner system and ignition device;- safety related control system (protective system).This European Sta