stem seal 阀杆密封 ; 芯轴密封 ; 阀杆密封件 ; 材料成份和机械性能
body stem seal 本体阀杆密封 ; 本体阀杆弥缝 ; 阀杆密封
Valve Stem Seal 气门油封 ; 密封活塞杆
guide vane stem seal 导叶轴密封
Stem Seal-Ring 阀杆密封圈
STEM SEAL VALVE 气门油封
upper stem seal 上阀杆密封
valve stem seal assembly 气门杆密封组件
lower stem seal 下阀杆密封
Describing several structures of stem seal and existent problems.
阐述了阀杆密封的几种结构及存在的问题。
The backup seal is secondary to the main stem seal assembly (20) in the bonnet (12).
备用密封件是阀帽(12)内主阀杆密封组件(20)的二级密封。
Introducing a new type of structure for replaceable stem seal sleeve with containing pressure and analyzing its high performance.
介绍了一种新型的可带压更换阀杆密封的结构，分析了该结构的优良性能。
应用推荐