Suggest to have cutoff valves and flow valves close during SRU shutdown.

建议在SRU停车期间关掉截止阀和流量阀。

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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.

流道孔径与阀门公称通经，基本相同的为全通径式；流通孔径比阀门公称通经小的称为缩径式。

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This machine is adopt mitsubishi PLC and touch screen, Japan intelligent flow valves, can automatically control the flow volume and automatic feedback adjustment, the control fire intensity.

本设备采用日本三菱plc及触摸屏，日本智能流量阀，能自动控制流量大小及自动反馈调节，控制火焰强弱。

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These provide access to the central bore of the well underneath most of the heavy valves which should have closed off the flow of oil, but for some reason did not.

ECONOMIST: The Gulf oil spill