The inlet pipe penetration into the vessel, the pressure drop across any block valves used. upstream of the venting device, and the inlet piping must be considered when determining these losses.

对与容器连通的进口管，要使用其通过阻断阀时的压力降。在确定这些压损时，必须要考虑进口管线和放空装置的上游线路。

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The inlet pipe penetration into the vessel, the pressure drop across any block valves used. upstream of the venting device, and the inlet piping must be considered when determining these losses.

对与容器连通的进口管，要使用其通过阻断阀时的压力降。在确定这些压损时，必须要考虑进口管线和放空装置的上游线路。

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