产品简介：Brief Introduction球阀是带圆形孔的球体作启闭件，球体随阀杆转动，以实现启闭动作。The valve’s disc is ball with hole and driven by stem to open and close.执行标准：GB/T12237-89    Manufacture Standard: GB/T12237-89试验标准：GB/T13927-1992    Test Standard: GB/T13927-1992 主要性能参数：Main Performance Parameters:公称压力Nominal Pressure（Mpa）试验压力Testing Pressure（MPa）适用温度Suitable Temprature°C适用介质Suitable Medium密封Seal壳体Shell1.61.762.4≤200水、蒸汽Water, Vapor 主要部件材料：MainMaterial:名称Name材料Material名称Name材料Material阀体BodyCast Iron球体BallWCB密封圈SeatPTFE手柄HandleQ23阀杆StemSS416螺母NutQ235 主要外形尺寸及连接尺寸：Outline Dimensions & Connection Dimensions:尺寸SizeLL1DD1D2Hn-dDN15108150956545614-14DN201171501057555634-14DN251271801158565724-14DN3214018013510075754-18DN40165220145110841024-18DN501782201601251001084-18DN651902601801451201454-18DN802033002001601351858-18DN1002293002151801552038-18