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  • Users: elhead
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  1. elhead

    Variable speed drives in Class I hazardous environments?

    I am curious if anyone has had recent experience applying mechanical 'Disc-Trac' type mechanical variable speed drives in a Class I Div. 2 area. I have felt that the possiblility of sparking (if the friction disc drive fails), or excessive heating of disc components makes it difficult to apply...

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