Code
    WMTS-522:2018
    Name
    Barrier type floor drain trap seal protection devices
    Description
    This Specification sets out requirements for barrier type floor drain trap seal protection devices for floor drain pipes of nominal sizes DN40, DN50, DN80, and DN100.
    WM Specification File
    WMTS-522-2018-Barrier-type-floor-drain-trap-seal-protection.pdf (1.27 MB)
    WM Specification
    Yes
    Adoption Date
    9 May 2018
    Expiry Date
    15 Mar 2021