For the first time in Europe, a 500mm P3 valve from COSMOKOKI was installed under 4 bars pressure on a ductile iron sewerage pumping main without interruption of operation in France. Equipment was designed, developed and supplied by EIE (Equipement Industriel Européen) and installation was successfully carried out under the supervision of COSMOKOKI.
Plug 
Cutting tool 
Plug installation 
Removal of drainage valve 
Drilling under pressure