Industrial valves. Copper alloy gate valves Ingestion-build-83346 NOTE 1 Independent declarations are

NOTE 1 Independent declarations are an increasingly important aspect of product and facility data

This standard should be adopted because since 2009 some catering establishments have been closed unnecessarily due to equipment failing tests that were not of themselves accurate

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BS 7121-1 is Part 1 of the revised BS 7121 series

A subclause on interferences is included

Industrial valves. Copper alloy gate valves Ingestion-build-83346 NOTE 1 Independent declarations are1 Scope This European Standard applies to copper alloy gate valves for general use having flanged, threaded, capillary, compression or loose nut union body ends. This European Standard specifies the design and performance requirements including materials, pressure temperature ratings, dimensions, test procedures and marking. For some specific fields of application, for example, drinking water or gas, valves to this European Standard can be used