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Overview EN ISO 11177:2019 (CEN endorsement of ISO 11177:2019) sets product quality requirements and testing procedures for vitreous and porcelain enamels applied to the inside and outside of valves…
Overview ISO 11177:2019 specifies product quality and testing requirements for inside and outside vitreous and porcelain enamelled valves and pressure pipe fittings used in untreated and potable wate…