OUTER CASE AND MOTOR SUPPORT: stainless steel AISI 304 case with threaded ports ISO 228-1.IMPELLERS AND DIFFUSERS: technopolymer .DIAPHRAGMS: stainless steel AISI 304 , complete with anti-wear rings.MOTOR SHAFT: stainless steel EN 10088-3 - 1.4104.DOUBLE SEAL: mechanical seal silicon carbide-NBR, with oil barrier chamber and inner lip seal to protect the seal in the event of dry running.SCREWS : stainless steel AISI 304.MOTOR: electric, asynchronous for continuous duty.VLm 2: single-phase 220
vertical multi-stage pumps