List of featured suppliers of SEWAGE Backwater Valves BS EN 13564 on Building Products Index
A sewage system is a network of pipes and other structures that are designed to transport wastewater away from buildings and into treatment plants or other disposal locations. Backwater valves are devices that are installed in sewage systems to prevent backflow of wastewater into buildings during periods of high rainfall or flooding. BS EN 13564 is a European standard that outlines the requirements for backwater valves and other components of sewage systems to ensure their safety and effectiveness.
