Industrial valves. Cast iron gate valves PAS 015 Metal active gas welding with

Metal active gas welding with solid wire electrode (135)

3 Single-direction test

availability and ease of production

The description is carried out on cores and other samples of natural rock and on rock masses

Annex B (normative) - Functional classes

Industrial valves. Cast iron gate valves PAS 015 Metal active gas welding withWhat is BS EN 1171 Cast iron gate valves about? BS EN 1171 specifies the requirements for cast iron gate valves with flanged ends, socket ends, or spigot ends. BS EN 1171 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 ;