- 连接形式:螺纹 公称通径:25 mm TN 三通式黄铜丝扣缩口径球心阀 3-Way Forged brass Ball Valve Threaded ends to BS21,Reduced bore 最高工作压力(Maximum Working Pressure) 压力变动小的水、油、气 [W.O.G non-shock]2.75MPa(27.5bar)150℃水、油、气 [150℃ W.O.G.]0.7MPa(7bar) 材质[Materials] 零件 [Parts]材质 [Materials] 阀体 [Body]黄铜(DN8-DN50)/青铜(DN65)[Forged brass(DN8-DN50)/Cast bronze](DN65 and over)阀盖 [Body cap]黄铜 [Forged brass]阀杆 [Stem]K合金 [K-Metal]球心 [Ball]黄铜 [Forged brass]密封座 [Ball seat]聚四氟乙烯 [PTFE]O型圈 [O-ring]橡胶 [FPM]手轮 [Handwheel]不锈钢(DN8-DN50) [Stainless steel(DN8-DN50)] 球墨铸铁(DN65以上) [Ductile iron(DN65 and over)]