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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Seat face Stellited, ground and lapped to a mirror finish.

钨铬钴合金面阀座，经过研磨抛光达到镜面抛光度。

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Input seal: input carbon seal was blistered on the sealing face; the input carbon seal was scrap. Sealing face on the input shaft was scratched, and was lapped.

输入轴碳封圈密封面产生浮泡；碳封圈报废。输入轴上的密封面划伤，研磨修复。

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