This part of the standard determines the special requirements and tests to be applied to control valves for a range PN 6 to PN 25, the nominal dimensions of which are as defined in Part 1. The Type tests shall be carried out on valves of DN <= 500, by agreement between the supplier and purchaser, for higher DNs. This Part 5 does not deal with the performance of control valve accessories whether or not these form an integral part of the valves.
Registration number (WIID)
1724
Scope
This part of the standard determines the special requirements and tests to be applied to control valves for a range PN 6 to PN 25, the nominal dimensions of which are as defined in Part 1. The Type tests shall be carried out on valves of DN <= 500, by agreement between the supplier and purchaser, for higher DNs. This Part 5 does not deal with the performance of control valve accessories whether or not these form an integral part of the valves.
