NEMA IEC 60974-8 : 2008
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ARC WELDING EQUIPMENT - PART 8: GAS CONSOLES FOR WELDING AND PLASMA CUTTING SYSTEMS
09-01-2020
12-06-2012
FOREWORD
1 Scope
2 Normative references
3 Terms and definitions
4 Environmental conditions
5 Test conditions
5.1 Type tests
5.2 Routine tests
5.2.1 External gas console
5.2.2 Internal gas console
6 Components
7 Protection against electric shock
7.1 Insulation
7.2 Protection against electric shock in normal service
(direct contact)
7.2.1 Protection provided by the enclosure
7.2.2 Capacitors
7.3 Protection against electric shock in case of a fault
condition (indirect contact)
8 Thermal requirements
8.1 Heating test
8.2 Maximum temperature
9 Connections for plasma cutting torches
10 Mechanical requirements
10.1 Protection against fire or explosion
10.2 Gas line purging
10.3 Enclosure
10.3.1 Design requirements
10.3.2 Enclosure purging
10.3.4 Safe design of gas console
10.3.5 Open structure
10.4 External gas console
10.5 Internal gas console
11 Gas lines
11.1 Gas hoses and tubing
11.2 Gas fittings
11.3 Leak test
12 Control circuits
13 Instructions and markings
13.1 Instructions
13.2 Marking
14 Rating plate
14.1 Internal gas console
14.2 Warning
Annex A (informative) - Mechanized plasma system diagram
Annex C (informative) - Template of a rating plate of an
external gas console
Bibliography
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