Outstanding advantages of pneumatic flexible polished rod stuffing box:
It can adapt to the tiny swing of polished rod and reduce eccentric wear
It can reduce the wear of polished rod and packing,
It can improve utilization of packing materialsPolished Rod Stuffing Box_Structure.jpg
It can increase packing replacement cycle by times
It can improve the service life of packing and polished rods
It can reduce the maintenance of polished rods and stuffing box
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