Gas supply systems. Gas pressure regulating installations on service lines. Functional requirements Ingestion-build-205840 and mutual acceptance of the

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Gas supply systems. Gas pressure regulating installations on service lines. Functional requirements Ingestion-build-205840 and mutual acceptance of the1 Scope This European Standard contains the relevant functional requirements for gas pressure regulating installations forming a part of the service lines in gas supply systems. It is applicable to the design, materials, construction, testing, operation and maintenance of gas pressure regulating installations which form a part of the service line for the supply of residential, high rise, public access, commercial and mixed use buildings (see EN 1775)