rod packing 抽油直盘根 ; 轴用油封
piston rod packing 活塞杆密封 ; 活塞杆填料 ; 拉杆盘根
Rod pressure packing case 杆压力填料函
metallic piston rod packing 活塞环金属填料
coiled wire rod packing machine 盘条打捆
Rod Packing piston 拉杆盘根
Valve rod with valve lids between bring fall airproof structure, Convenients for valve bring press replacing valve stem packing.
阀杆与阀盖之间带倒密封结构，便于阀门带压更换阀杆填料。
A packing sealing structure is arranged between the valve rod and the upper end of the valve body.
在阀杆与阀体的上端部之间设置填料密封结构。
Valve rod seal packing can adopt lip shape structure, seal up dependable, Operates moment of force small.
阀杆密封填料可采用唇形结构，密封可靠、操作力矩小。
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