Design and features Casing manufactured with cold-formed plate. Stainless steel investment casting inletbody and venturi. Star-shaped floating impeller manufactured with investment casting technology. External mechanical seal that prevents contact between the springs and the pumped fluid. Very robust stainless steel-cast lantern. Pump support of stainless steel. Materials Parts in contact with pumped media  : AISI -316 Other parts        : AISI-304 Gaskets ( standard) : EPDM ( FDA)     Mechanical seal ( standard)         :   C/ SiC/ EPDM Surface finishing : Electro polished I Technical specifications Maximum flow : 56 m³ / h 247 GPM Maximum head : 9 bar 130 PSI Maximum suction pressure : 40 mcl 58 PSI Maximum suction height : 7 m 10 PSI Maximum working temperature : 120 º C 248 º F Maximum speed : 1750 rpm