坚固耐用的不锈钢闸板，经久耐用的填料，不锈钢阀杆，耐腐蚀轭架轴套，重型坚固的上部结构。
Rugged stainless steel gate, long-life packing, stainless steel stem, corrosion resistant yoke sleeve, and heavy duty superstructure.
阀杆：阀杆与轭架有很长的啮合段，有助于阀座密封的精确对准。
Stem: Stem has long engagement with yoke bushing for accurate seating.
阀杆：阀杆与轭架有很长的啮合段，有助于阀座密封的精确对准。
Stem: Stem has long engagement with yoke bushing for accurate seating.
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