Water Supply Industry Interpretations and Advice

  • Area of Interest : Installation
  • Topic : DZR
  • Title : Clarification of DZR requirement for closed circuits
  • Clause Reference : Schedule 2 paragraph 3
  • Reference Number : I24
  • Decision Date : February 2009

Having considered all the available evidence, in 1997 the Water Byelaws Scheme agreed that there was no need for brass safety devices installed in closed circuits to be manufactured from DZR brass. Having reviewed this decision in February 2009 the WRAS Technical Committee concluded that there was no reason to change the policy adopted in 1997.