This European Standard applies to valves of DN 15 and greater, made of metallic materials for chemical and petrochemical plants. It contains additional requirements to those contained in the relevant European product standards. Two levels of quality are included. All valves shall meet the requirements of level I. Valves shall meet the requirements of level II only when required by the order.
Registration number (WIID)
1719
Scope
This European Standard applies to valves of DN 15 and greater, made of metallic materials for chemical and petrochemical plants. It contains additional requirements to those contained in the relevant European product standards. Two levels of quality are included. All valves shall meet the requirements of level I. Valves shall meet the requirements of level II only when required by the order.
