This European Standard applies to copper alloy check valves for general use having: flanged, wafer, threaded, capillary, compression or loose nut/union end, body ends; designations PN 6, PN 10, PN 16, PN 20, PN 20, PN 25, PN 32, PN 40, PN 63, Class 150 and Class 300; nominal sizes DN 8 to DN 400. This standard specifies the design and performance requirements including materials, pressure/temperature ratings for the shell and body seats, dimensions, tests procedures and marking. For some specific fields of application, for example, drinking water or gas the requirements given in this standard may be supplemented or modified by the requirements defined in the related application standard and approval by the relevant regulatory body may be required.
Legislation related to this standard
ABANDON
prEN 12328
50.98
Project deleted
May 21, 2003