手轮

Hand wheel,lever and spanner driving and safety valve,pressure reducing valve,traps overleap this symbol.

1、手轮、手柄和扳手及安全阀、减压阀、疏水阀省略本代号。

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的地轴承架可在对阀门进行操作，包括手轮，暗杆，连接件，加长件，及带闸板位置指示器的地轴承架。