Issues regarding the addition of manual valves and blind flanges to the pipelines leading to the flare separator tank
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That expert knows whether it is reasonable to install manual valves and blind flanges on the pipelines leading to the torch separator tank; if so, what precautions need to be taken. Are there any relevant provisions in that standard as well?
What is the purpose of using pipes of such a large diameter, along with manual valves and blind flanges?
For 20\" pipes, the owner has taken into account the varying times at which pilot gas can be used for initial commissioning, as well as the fact that during subsequent operation it will be necessary to isolate one stream of pilot gas for maintenance without affecting the other stream, which continues to be sent to the surface flare