Suitable for draining rain waters, fl ooded cellars, subways and tanks. Pump body and grill diffuser in nylon plastic reinforced with fi ber glass. ( versions 0,5 and 1,0 HP) Pump body and grill diffuser in cast iron. ( versions 1,5 HP) Motor case, upper cover, tie-rods, grip and impeller in stainless steel. • Non-polluting dielectric refrigerant liquid a bath moto. • Thermal protection switch incorporated. • Class F insulation. • Motor shaft in steel mod. AISI 316. • Seal on motor side is in Graphite-Allumina (by request in Silicon-Allumina). • Protection on pump side is a ring anti-sand.