Precision ground blade on both sides for tighter packing chamber sealing. Sealing face of the gate is lapped to provide the best possible seat tightness.

两侧都经过精密光亮磨光的刀片确保填料腔的气密性密封。闸板的密封面经过研磨，以提供最好的阀座密封性。

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They feature a precision ground finish on both sides to prevent packing and seat damage.

闸板两面均经过精密精磨加工，避免损坏填料和阀座。

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They have a precision ground finish on both sides to prevent packing and seat damage.

闸板两侧经过精密的精磨加工工艺，能够防止密封填料和阀座的损坏。

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