NF EN ISO 28763
Vitreous and porcelain enamels - Regenerative, enamelled and packed panels for air-gas and gas-gas heat exchangers - Specifications
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 life, more stringent limits can be agreed between customer and supplier.
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 life, more stringent limits can be agreed between customer and supplier.
Le présent document spécifie les exigences minimales et les caractéristiques fonctionnelles des revêtements émaillés utilisés au cours de tout processus d'émaillage, tels que le trempage dans un liquide, l'aspersion humide, la pulvérisation humide, la pulvérisation électrostatique humide, l'électrodéposition humide ou la pulvérisation électrostatique sèche, sur des panneaux en acier profilé d'échangeurs thermiques remplaçables et démontables, avant et après assemblage dans les paniers.
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1 Domaine d'application
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2 Références normatives
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3 Termes et définitions
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4 Substrats d'acier
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5 Fritte d'émail
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6 Caractéristiques du revêtement émaillé
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7 Caractéristiques après emballage
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8 Documentation
- Annexe A Méthode de détermination de la résistance au choc thermique des revêtements en émail vitrifié
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