...俗称为密封条，东晟密封件告诉您它的主要起到了汽车的减小车门、车门框的缝隙、减小汽车噪音、密封隔音、防止漏风漏雨等作用。 什么是汽车用的汽车油封？ 汽车油封俗称气门油封（Valve stem seal）是油封的其中一种。东晟密封件告诉您油封主要起到封油、封气的作用。
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... 90313 48001 Oil Seal 油封 90313 02116 Valve Stem Seal 密封活塞杆 90919 02197 Ignition Coil 点火线圈 ...
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valve stem seal assembly 气门杆密封组件
Valve Stem Seal Remover 侑嘉工业有限公司
SEAL VALVE STEM 气门杆油封
STEM SEAL VALVE 气门油封
SEAL-VALVE STEM 气门杆密封 ; 气门杆油封 ; 气门挺杆密封 ; 气门挺
Soft seal valve stem 软密封阀杆
SEAL - VALVE STEM 气门油封
Corrosion products formed by these reactions can prevent normal valve operation and can become embedded in the elastomeric stem tip, preventing the valve from making a complete seal.
这些反应产生的腐蚀产物会阻止正常的阀门运转，深入到人造橡胶阀杆顶端，造成阀门不能完全密封。
The same force tends to reduce the seal on the pressure side with the result that bonnet cavity and the valve stem packing are nearly always subjected to maximum pipeline pressure.
而压力侧以相同的力削弱了密封，这样使阀盖腔室和阀杆填料几乎总是承受最大管道压力。
The stem seal of a feed water control valve uses expanded graphite packing in order to produce friction and to economize on energy for the control valve working.
电站锅炉给水调节阀的阀杆密封采用柔性石墨填料，既降低了摩擦力，又为调节阀的运行节约了能源。
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