... it is mainly used as a part of butterfly valve.4) Material for this part is WCC and WCB.5) Other ... -40.3EN-GJS-400-15GGG-40EN-GJS-450-10 EN-GJS-500-7GGG-50EN-GJS-600-3GGG- ... 13 BodyHT200 A126 Class B QT450-10 A536 65-45-12DiscQT450-10 A536 65-45-12Stem304 416 420 431SeatNBR ... ALB, CF8M, 1.4529 Stem416, 420, 431SeatNBR, EPDMSuitable temperature-10°C~80°CSuitable mediumfresh water, sewage, sea water, food ...