Api Rising Stem Stainless Steel Gate Valve Flange Type Gate Valve .
8, Packing, Graphite. 9, Bushing, A182 F6a. 10, Gland, A216 WCB. 11, Stem nut, Aldary. 12, Retaining nut, A105. 13, Handwheel, QT400 17. 14, H.W.lock nut, A105 . In Hebei, the base of the processing and transformation of casting steel flanges (Suicheng,Baoding), and one of the largest Chinese Manufacturers of cast.