位置指示(position indicator)无升降手轮(non-rising handwheel) 进口美国威盾直流式波纹管截止阀用途(selection of possible applications)：?
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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。
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。
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