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.
英
美
释义
唯一的SPL闸阀芯部件包括所有滑动阀板的操作零件,没有楔形闸的影响并且阀座接触应力较小。
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