The unique SPL (Disc Spring Pack Loaded) gate trim unit comprises all of the operating parts of sliding discs.No wedging effects and much smaller contacting stresses on the seating mechanism.

 
  • 唯一的SPL閘閥芯部件包括所有滑動(dòng)閥板的操作零件,沒(méi)有楔形閘的影響并且閥座接觸應力較小。
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