• 对于公称通大于8英寸的蝶阀如果液体中使用,则在关闭阀门时,动态扭矩有比较明显增加

    Butterfly valves, sizes 8 "and larger, when used on liquids, show a marked increase in dynamic torque which tends to close the valve."

    youdao

  • 使用适量焊料如果使用线状焊料,那么公称通径为3/4英寸的阀门就要采用3/4英寸的焊料,等等

    Use just enougn solder: with wire solder, use 3/4" for a 3/4" valve, etc. If too much solder is used, it may flow past tube stop and clog sealing area.

    youdao

  • 流道阀门公称经,基本相同的为通径阀门公称通称为式。

    Nominal diameter and flow valves, basically the same breath for full-bore type, Circulation than nominal diameter valve is given. it small called non-reducing type.

    youdao

  • 流道阀门公称经,基本相同的为通径阀门公称通称为式。

    Nominal diameter and flow valves, basically the same breath for full-bore type, Circulation than nominal diameter valve is given. it small called non-reducing type.

    youdao

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