Ductile iron clamps for torino polyethylene, are used to install household connections, in polyethylene (PE) pipes, are used in water pipes and other fluids. They are composed of two pieces of ductile iron ASTM A – 536, with zinc-sealed tortilleria, hot-dip galvanized or stainless steel and elastomeric packaging, which guarantees a long service life, its derivation is an NPT thread.