WM Specification File
Download Specification (1.23 MB)
This WaterMark Technical Specification sets out requirements for plastic bodied couplings up to DN225 with included elastomeric element that provides limited flexibility and are utilised in non pressure rigid pipeline systems. The design of the coupling is such that it allows for movement of the pipeline and prevents damage due to imposed stresses.
Adoption Date
19 Jul 2016
Expiry Date
21 Feb 2025

Licences evaluated under this specification