• Ball valve fully open, the flow resistance is very small, almost zero, so the ball valve diameter is widely used in petroleum and natural gas pipelines because the pipeline cleaning easy.

    球阀在完全开启时很小几乎等于零因此等球阀广泛应用于石油天然气管线中,因为容易清扫管线

    youdao

  • Ball valve fully open, the flow resistance is very small, almost zero, so the ball valve diameter is widely used in petroleum and natural gas pipelines because the pipeline cleaning easy.

    球阀在完全开启时很小几乎等于零因此等球阀广泛应用于石油天然气管线中,因为容易清扫管线

    youdao

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