采用柔性石墨填料、密封可靠、操作轻便灵活。
Using flexible graphite fillings, reliable sealing, light and nimble operation.
柔性石墨填料环是用柔性石墨带或柔性石墨编织填料(盘)，经模压成不同尺寸的环。
Flexible graphite packing rings are made of flexible graphite belt or braided graphite packings which are processed by pressing with mold to form rings in various sizes.
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。
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.
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