stem seal valve

基本解釋

According to the international informations and Santana engine, the seal mechanism and effective factors of valve stem oil seal is analyzed in this paper.
本文根據(jù)國外資料并結(jié)合桑塔納汽車發(fā)動機，分析了氣門桿油封的密封性機理及影響因素。
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.
電站鍋爐給水調(diào)節(jié)閥的閥桿密封采用柔性石墨填料，既降低了摩擦力，又為調(diào)節(jié)閥的運行節(jié)約了能源。
Download-type valve stem, set down with a sealing gasket sealing structure, sealed down with the media in the valve sealing force increases with increasing pressure to ensure that the valve stem seal.
閥桿采用下裝式、設(shè)置帶有密封墊片的倒密封結(jié)構(gòu)，倒密封的密封力隨閥腔介質(zhì)壓力的增高而增大，從而確保閥桿的密封效果。