Externally coated with zinc (400 gr / sqm.) and the next layer of epoxy paint "blue. " Internal lining with cement mortar blast furnace applied by centrifugation, according to ISO 4179. Seal according to EN 681 / 1. Testing according to EN 545.
Externally coated with zinc (200 gr / sqm.) and the next layer of powder-coated "RED". Internal lining with cement mortar alumina by centrifugation, according to ISO 4179. Nitrile NBR seal according to EN 681 / 1. Testing according to EN 598.
Ductile iron spun pipes, for pressure and gravity pipes, class K-9 or C 40. Fast automatic type flexible coupling according to UNI 9163 Tyton type or automatic coupling to DIN 28600
Coupling Quick Profile divergent "accepted by the UNI EN 9163 and EN 598 545
Quick Coupling "Tyton" accepted by the DIN 28600 EN 545 and EN 598