| 摘要 |
For the sake of improving an emergency shut-off system, the present disclosure teaches a control system comprising a first valve (11) that blocks, in response to a first emergency shut-off signal of a first signal type, a flow of fluid between a first section of a flow line (10) and a second section of the flow line; and a second valve (12) that blocks, in response to a second emergency shut-off signal of a second signal type, a flow of fluid between the second section of the flow line and a third section of the flow line, wherein the first signal type differs from the second signal type. |
