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Rating of Multiple-Ply Belts

 Rating of Multiple-Ply Belts

Multiple-ply belts are now rated on the basis of tensile strength (in pounds-per-inch-width per ply) when the splices are vulcanized. With normal mechanical-fas tener splices, the rating is reduced to approximately three-quarters of the vulcanized values. Some belt man ufacturers can get adequate fastener holding due to their weave, and no reduction in the rating is required. 

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