S Pumps Series :Shaft ,external jacket ,coupling ,filter,guide sleeve ,cable guard are in stainless steel .
General Specs :
Shaft ,external jacket ,coupling ,filter,guide sleeve ,cable guard are in stainless steel .
Suction casing and delivery casing are in cast iron.
Impellers and diffusers are noryl homologated for drinkable water use ,and are equipped with stainless steel insert in correspondence of the wearable zones.