What are these and what do the letters and numbers stand for? by AWiseMelon Tags:Northern IrelandUnited Kingdom 2 comments Sluice Valve markers **used to indicate the position of underground valves used to regulate water in pipes** or scour valves are **located at low points or between valved sections of the pipeline**. Bxzxx Rural District Council. Leave a ReplyYou must be logged in to post a comment.
Sluice Valve markers **used to indicate the position of underground valves used to regulate water in pipes** or scour valves are **located at low points or between valved sections of the pipeline**.
2 comments
Sluice Valve markers **used to indicate the position of underground valves used to regulate water in pipes**
or scour valves are **located at low points or between valved sections of the pipeline**.
Bxzxx Rural District Council.