Design and features Casing manufactured with cold-formed plate. Clamp connections. Open impeller manufactured with stainless steel investment casting technology. Mechanical seal according to DIN 24960 L1K. Pump certified according to 3A sanitary standards. Suitable for NEMA-C motors. Materials Parts in contact with pumped media      : AISI 316L Other parts      : AISI 304 Gaskets ( standard)                 : EPDM ( FDA)   Mechanical seal ( standard)   : C/ SiC/ EPDM Lantern        : GG-15 Inside surface finishing               : Ra < 0.8 µ m Outside surface finishing  : Mirror polished