Code
    WMTS-006:2014
    Name
    Reflux Valves - Sewerage
    Description
    This WaterMark Technical Specification sets out requirements for plastics-bodied reflux valves manufactured from PVC-U (Polyvinyl Chloride Unplasticised) and ABS (Acrylonitrile Butadiene Styrene), that are intended to prevent the reversal of waste water flow by means of a resilient-seated disc/flap or other mechanism. It covers nominal sizes DN 100 to DN 600.
    WM Specification File
    WMTS-006-2014.pdf (1.26 MB)
    WM Specification
    Yes