Porcelanet e emaluar dhe të tejdukshëm - Panelet e rigjeneruara, emaluara dhe të paketuara për shkëmbyesit e nxehtësisë ajër-gas dhe gas-gas - Specifikimet (ISO 28763:2008)
Vitreous and porcelain enamels - Regenerative, enamelled and packed panels for air-gas and gas-gas heat exchangers - Specifications (ISO 28763:2008)
ISO 28763:2008 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.
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