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This Document Has Been Superseded
A newer publication replaces it: BSI BS EN 12334
Specification for cast iron check valves for general purposes
Specification for Cast Iron Check Valves for General Purpose
This document outlines the technical requirements and standards for the design, manufacture, and testing of cast iron check valves intended for general purpose applications.
Materials: The valves shall be made from cast iron, ensuring durability and resistance to corrosion under normal operating conditions.
Design: The check valves should be designed to prevent backflow in piping systems, with a reliable sealing mechanism to ensure efficient operation.
Standards Compliance: The valves must comply with relevant national and international standards applicable to check valves in industrial settings.
Testing: Each valve shall undergo rigorous testing for pressure resistance, leak tightness, and operational reliability before delivery.
Nominal diameters DN 10 to 1000 and nominal sizes ½ to 6 for nominal pressure ratings PN 6, 10, 16, and 25.
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