BUTTERFLY VALVE TYPE : WAFER TYPE, LUG TYPEBODY : CAST IRON/ DUCTILE IRONDISC : DUCTILE IRON, SS304/316, JIS 10K/16K/20K, PN 16/40, ANSI 150/300SIZE : 2″ – 14″SEAT : NBR / EPDM / VITON / SILICONE STEM : SUS416/316/431/630