WM Specification File
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.
Adoption Date
9 May 2018
Expiry Date
15 Mar 2021

Licences evaluated under this specification

WM Certificates associated with this Specification

Certificate Current Certification Date Current Expiry Date Status
022837 30 Jul 2021 29 Jul 2026 Active