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按照美国标准如何选用医疗气体系统阀门
来源:作者:本站
90o回转青铜球阀:
  QUARTER-TURN BRONZE BALL VALVES:

  按照美国阀门和管件制造商标准化协会MSS-SP110标准制造,额定非冲击冷水工作压力为600 psi。阀体应该是焊接连接,三件式结构,便于铜焊安装时的拆卸。阀门应配置聚四氟乙烯阀座,不缩径全流道,防吹出阀杆和镀铬黄铜/青铜球体。新购买的阀门应该经过制造商的清洗和包装,适用于氧气管道系统。
  Manufactured in compliance with MSS-SP-110 and rated 600 psi non-shock cold working pressure
are to be used. Body shall have solder ends and 3-pc. design permitting disassembly for brazing
installation. Valve to have TFE seats, full-port, anti-blowout stems and chrome-plated
brass/bronze ball. Valve shall be provided by manufacturer cleaned and bagged for oxygen service.
  可采用的阀门:
  美国尼伯科S-595-YX球阀(焊接)
  ACCEPTABLE VALVES:
  NIBCO S595-YX (solder)
  可采用的阀门,带6英寸连接端:
  美国尼伯科CS-595-YX-EC球阀(焊接,带加长阀罩)
  美国尼伯科CS-595-66-EC球阀(焊接,带加长阀罩和不锈钢阀内件)
  ACCEPTABLE VALVES W/6" STUB ENDS:
  NIBCO CS595-YX-EC (solder w/expanded cup)
  NIBCO CS595-66-YX-EC (solder w/expanded cup and stainless steel trim)
 注意:
  NOTE:

  如果要求管道处于绝缘状态,所选的球阀应该配置2英寸加长不导热手柄。此外,还要配置保护性套管,使得操作阀门时不会破坏气体密封或绝缘性能。
  Where piping is insulated, ball valves shall be equipped with 2" extended handles of non-
thermal conductive material. Also, provide a protective sleeve that allows operation of the valve
without breaking the vapor seal or disturbing the insulation.
  可采用的阀门:
  美国尼伯科S-595-YXNS球阀(焊接)
  ACCEPTABLE VALVES:
  NIBCO S595-YXNS (solder)