... .com, with professional factory, is one of the leading China class 150 butterfly valve manufacturers, we are able to offer you ... products from us.class 150 butterfly valveWorking Pressure:150LBBody: GG25, GGG40Disc: CF8/ CF8M/ GGG40/ Al-BrShaft: 416 S. S ,304S. S, 316S.S and so on ...