That fitting is designed for MDPE.
However the OD is the OD regardless of material, I don't think you can get 25mm copper so a 25mm fitting is pretty much always for MDPE
Okay I will have to get another stop cock this is the one I have?
http://m.screwfix.com/p/poly-stop-cock-22-x-25mm/97324
Will this style work with MDPE pipe?
Hello,
I am relaying my water pipe to replace the old lead one and I'm also relocating the stop tap in the process.
I have laid my MDPE in a trench and fitted an INSUduct. The MDPE then comes into the house into a brass stop cock with the intention of fitting 22mm copper to the other side...