... valve Size from DN50-1800mm High quality and competitive price Manual Knife gate valve, wafer type knife gate valve, Lug knife ... , DIN1). Pressure: 0.6-1.6 MP , 150Lb, 125LB2). Size: 50-1800mm, NPS: 2''TO 72'' inch3). Body, Bonnet, material: Carbon ... stainless steel stainless steel Rubber,TPFE,stainless steel,hard alloy Manual flanged knife gate valve