Monobloc horizontal centrifugal pumps attached to a pre-filter with an stainless steel AISI-304 basket. Appropriate for sea water. 3000 r.p.m. high performance pumps with the body, impeller, pre-filter and bracket manufactured in bronze. The shaft is made of stainless steel AISI-316 with bronze protection, and the mechanic seal is made of stainless steel AISI-316. The motor holds an IP-54 protection. The gamma ranges from triphasic 3 HP to 15 HP motors. 230/400/690V 50Hz working voltage (60 hz could also be supplied). Hub by flange according to DIN-2501 regulation. According the Energy Efficiency regulation class IE2