Vitreous and porcelain enamels. Inside and outside enamelled valves and pressure pipe fittings for untreated and potable water supply. Quality requirements and testingWhat is ISO 11177 Vitreous and porcelain enamels about? ISO 11177 discusses vitreous and porcelain enamels. ISO 11177 specifies the requirements for product quality and product testing of enamelled valves and pressure pipe fittings for untreated and potable water supply. ISO 11177 defines the requirements for product quality of enamelled valves and pressure pipe fittings for untreated and potable water supply considering the real stress conditions a

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Nationally Determined Parameters specified in NA to BS EN 1992-4 recognizes the responsibility of regulatory authorities

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BS EN ISO 11126-6:2018 includes a technical change with respect to BS EN ISO 11126-6:1998

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