rising stem

基本解释

The Fig. 1710 Balancing valve is a non-rising stem design incorporating a parabolic (plug) shaped disc.
型號1710平衡閥爲暗杆結搆，配置拋物線（塞）形閥瓣。
This arrangement combined with the feature of a non-rising stem assures a positive seal against either steam or water.
這種結搆方式具有不上陞閥杆的特點，保証了對蒸汽或水都能夠達到很好的密封功能。
A floorstand for handwheel actuated valves allows operation from above. Included is handwheel, non-rising stem, fittings, extension, and floorstand with gate position indicator.
用於手輪執行器閥門上的地軸承架可以在上方對閥門進行操作，包括手輪，暗杆，連接件，加長件，以及帶牐板位置指示器的地軸承架。

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