特别要注意刮油环（scraper ring）刮油圈的安装方向内径较大的一边朝上。T型动封严（两个封严的圆角要与支撑环中间结合）的安装，否则会造成渗漏或部件的损坏。
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短语
活塞刮油环
piston scraper ring
钩形刮油环
hook oil ring
双联刮油环
double oil ring
填料函刮油环
scraping ring for stuffing box
钻孔刮油环
drilled oil ring
活塞刮油环凸缘
flange of pol piston ring
斜口刮油环
bevel oil ring
双刃刮油环
double hook oil ring
填料箱刮油环
Scraper ring for Stuffing box
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oil scraping ring
scrapper rin
piston scraping ring
oil wiper rings
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scraper ring
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scraper ring
oil control rail
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