结构特点
DESIGN FEATURES

• 和垂直截止阀相比，压降比较小。
  Low pressure drop compared to vertical globe valves.
• 对于热变化具有很好的抵抗性。
  Excellent resistance to thermal changes.
• 能够在线迅速简易的维修。
  Quick and easy repair in the line.
• 由于下述原因而导致的低扭矩行程
  Low torque stroking due to:
  1. 径向止推轴承
     radial thrust bearings,
  2. 不旋转阀杆
     non-rotating stem,
  3. 冲击性手轮（比普通手轮效率高出3至10倍）
     impactor handwheel (3-10 times more effective than standard handwheel).

• 钨铬钴合金整体阀座。
  Seat integrally Stellited.
• 阀瓣完全靠钨铬钴合金阀座和导轨面引导。
  Disc fully guided with Stellited seating and guiding surfaces.
• 关闭紧密。
  Tight shutoff.
• 用于高温应用的阀杆膨胀/收缩推动装置
  Stem expansion/contraction thrust unit for high temperature application.
• 可根据要求提供其它尺寸的阀门。
  Other sizes available on request.
• 可供选择的填料动负载。
  Live-loading of packing optional.