Marine Bronze Cock JIS F7388U is marine bronze globe valve 20K. Design Standard: JIS F7388-1996 Test Standard: JIS 7400-1996 Nominal Pressure: 20KG Hydraulic Test Pressure: Body- 42KG, Plug-30.8KG Main Material: 1-Body: Bronze (BC6) 2-Plug: Bronze (BC6) 3-Stem: Brass (C3771BD)