This Part of EN 746 applies to all combustion and fuel handling equipment used in industrial thermoprocessing equipment which meets the definition for machinery given in 3.1 of EN 292-] :1991, referred to hereafter as "equipment", e.g. furnaces, kilns, ovens, heating systems such as salt baths and melting tanks, and equipment such as integrated burners and torches used in casting machines, ladle heating etc.
It applies to the handling of fuel immediately adjacent to the equipment but downstream of and including the main plant manually operated fuel shut off valve. It specifies the list of hazards, the safety requirements and associated measures as well as the user instructions relating to fuel handling and combustion equipment.
It applies to all forms of gaseous, liquid and solid fuel and any combinations of them in combustion with air or other gas containing free oxygen.
This Part of EN 746 also applies to gas torches, work station burners, working flame burners and other burners not integral with the plant, even though they are not covered by the mandate.
This Part of EN 746 specifies the requirements to be met by the manufacturer to ensure the safety of persons and property during commissioning, start-up, operation, shut-down and maintenance, as well as in the event of foreseeable faults or malfunctions. It specifies the safety requirements at stages in the life of the equipment, and its design, ordering, construction and use The hazards covered by this Part of EN 746 are listed in clause 4.
This Part of EN 746 applies to equipment which is placed on the market after the date of issue of this standard.
This Part of EN 746 does not apply to but may be used as reference for:
- gas torches for welding, flame cutting and related processes;
- boiler installations,
- environmental space heating of any kind;
- the storage of fuel;
- industrial food processing.
SANS 74-2:2003 history
2003SANS 74-2:2003 Industrial thermoprocessing equipment Part 2: Safety requirements for combustion and fuel handling systems