... Standard: EN 593 End flange: EN 1092 Series SHD gear operated double flanged butterfly valve, concentric duoble flanged ... -10, A536 65-5-12, WCBDiscDI, ALB, CF8, CF8M, 1.4529Stem416, 420, 431, 17-4PHSeatNBR, EPDM, Viton Series20 BodyCI, ... DI, WCBDiscDI, ALB, CF8M, 1.4529Stem416, 420, 431SeatNBR, EPDMSuitable temperature-20C~150CSuitable mediumfresh water, sewage ...