Industrial valves - Ball valves of thermoplastics materials

This document establishes technical specifications for ball valves manufactured from thermoplastic materials intended for industrial applications. It defines the dimensional requirements, material performance criteria, and testing methodologies necessary to ensure the valves function reliably within specified pressure and temperature ranges. The content covers design features, pressure ratings, and leak-tightness tests relevant to the operation of these components in various industrial fluid systems. Compliance with these provisions ensures compatibility and safety in environments where thermoplastic materials are utilized for their chemical resistance and lightweight properties. The document provides guidance on classification based on pressure classes and specifies limits for mechanical strength and thermal behavior. It addresses quality assurance requirements and outlines procedures for verification that align with established international practices for valve manufacturing and performance assessment.