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。
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。
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。
Seat face Stellited, ground and lapped to a mirror finish.
阀座面为钨铬钴合金，经过研磨抛光达到镜面光洁度。
Seat face Stellited, ground and lapped to a mirror finish.
阀座面为钨铬钴合金，经过研磨抛光达到镜面光洁度。
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