The extension includes handwheel, non-rising stem, fittings and extensions to allow remote operation normally from above.
加长件包括手轮，暗杆，连接件和加长件，允许在上方进行远程操作。
This arrangement combined with the feature of a non-rising stem assures a positive seal against either steam or water.
这种结构方式具有不上升阀杆的特点，保证了对蒸汽或水都能够达到很好的密封功能。
The Fig. 1710 Balancing valve is a non-rising stem design incorporating a parabolic (plug) shaped disc.
型号1710平衡阀为暗杆结构，配置抛物线（塞）形阀瓣。
A floorstand for handwheel actuated valves allows operation from above. Included is handwheel, non-rising stem, fittings, extension, and floorstand with gate position indicator.
用于手轮执行器阀门上的地轴承架可以在上方对阀门进行操作，包括手轮，暗杆，连接件，加长件，以及带闸板位置指示器的地轴承架。
Sluice valves are to be of a non-rising stem type and to have solid wedge discs.
泄水阀应该是一种闸阀，并且有一致的闸板。
Sluice valves are to be of a non-rising stem type and to have solid wedge discs.
泄水阀应该是一种闸阀，并且有一致的闸板。
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