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)]