Explosive atmospheres. gear fix, overhaul and reclamation
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Extra info for BS EN 60079-19:2011
Skimmed or damaged stator cores shall be submitted to a "flux test" to ensure that there are no remaining hot spots which could adversely affect the temperature classification or cause subsequent damage to the stator windings. The “flux test” shall be conducted at 1,5 Tesla and the testing conditions and result recorded. 1 Enclosures Enclosures not containing a source of release of flammable gas may be modified. 2. Enclosures with an internal source of release of flammable gas such as analysers, chromatographs, etc.
3 Terminations The design of terminations in terms of the materials and construction used, the creepage and clearance distances and the comparative tracking indices of termination insulation will normally be fully specified in the certificate documents. Replacement parts shall be obtained from the manufacturer or his advice sought regarding acceptable alternatives. Where terminations are loose leads, the methods of termination including insulation shall be in accordance with the certificate documentation.
On the temperature classification of enclosures. Only finishes specified by the manufacturer or equivalent shall be applied. 2 Cable or conduit entries Entries shall preserve a minimum IP54 degree of ingress protection, in accordance with the requirements of IEC 60529, and at least the same IP rating as the equipment was originally designed for. 3 Terminations The design of terminations in terms of the materials and construction used, the creepage and clearance distances and the comparative tracking indices of termination insulation will normally be fully specified in the certificate documents.
BS EN 60079-19:2011 by BSi