They are used when required joining an existing metal pipe with a GRP. or to insert valves, pumps, etc.. It should mold flange P.R.F.V. and unite under one of the above methods, to tube P.R.F.V.
The diameters of the pipes and fittings are presented are from 1 "to 157.5" (4000 mm). The features described above exterior finish, etc.. are the same for all diameters.
