Monobloc self-priming high performance pumps, designed for sea water. The hydraulic body, impeller and diffuser manufactured in bronze. The shaft is made of stainless steel AISI-316, and the mechanic seal is made of stainless steel AISI-316 and tungsten. Includes a prefilter with a polypropilene basket. The motor holds an IP-54 protection. The gamma ranges from triphasic 2 HP to 5.5 HP motors. Such motors have a 230/400/690V 50Hz working voltage (60 hz could also be supplied). For the 2 CV motor, 24/42V is also avaiable.  According the Energy Efficiency regulation class IE