This document specifies the applicable requirements and appropriate verification tests for control valves used in water supply systems. It covers aspects such as design, materials, performance, and testing procedures to ensure the valves meet the necessary standards for safe and efficient operation. The scope includes general requirements, specific functional characteristics, and methods for verifying compliance with the specified criteria. The document provides detailed information on the conditions under which the valves should operate, as well as the procedures for conducting tests to confirm their suitability for use in water supply applications. It is intended to be used by manufacturers, testing authorities, and other relevant parties involved in the production and evaluation of control valves for water supply systems.
*** Please note: This description may not be accurate, please refer to the official documentation.