BS EN 1171:2015 specifies the requirements for cast iron gate valves with flanged ends, socket ends or spigot ends.

This European Standard is applicable to cast iron gate valves mainly used for industrial and general-purpose applications. However, they can be used for other applications provided the requirements of the relevant performance standards are met.

The range of nominal sizes covered is:

DN 40 ; DN 50 ; DN 65 ; DN 80 ; DN 100 ; DN 125 ; DN 150 ; DN 200 ; DN 250 ; DN 300 ; DN 350 ; DN 400 ; DN 450 ; DN 500 ; DN 600 ; DN 700 ; DN 800 ; DN 900 ; DN 1 000.

The range of pressure designations covered is:

• isobaric PN 6; PN 10; PN 16; PN 25;
• isomorphic, PS 10 bar to PS 1 bar at room temperature.

Cross References:
EN 19:2002
EN 545:2010
EN 558
EN 736-1
EN 736-2
EN 736-3
EN 1092-2:1997
EN 12266-1
EN 12266-2
EN 12351
EN 12516-3:2002
EN 12516-4:2014
EN 12570
EN ISO 5210
ISO 5210
ISO 185:2005
ISO 1083:2004
ISO 2531:2009
ISO 5922:2005
97/23/EC
EN 1561
EN 1562
EN 1563


All current amendments available at time of purchase are included with the purchase of this document.