Vitreous and porcelain enamels. Regenerative, enamelled and packed panels for air-gas and gas-gas heat exchangers. Specifications1 Scope This document specifies the minimum requirements and the functional characteristics of enamel coatings applied by any process, such as wet dipping, wet flow coating, wet spraying, wet electrostatic spraying, wet electrodeposition or dry powder electrostatic spraying, to profiled steel heat exchanger panels in regenerative heat exchangers, before and after packing in baskets. For very severe service conditions, or to obtain extended operational

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