Classe 150 Bronze 10K SDNR Valves OpenClose IndicatorTest Standard: JIS F7400-1996Test Pressure: Body-1.05Mpa, Seat-0.77MpaMaterial Material:1-Body: Bronze (BC6)2-Bonnet: Brass (C3771BD)3-Disc: Brass (C3771BD) )4 tiges : laiton (C3771BD)5 volants : fonte (FC200)