SHELL vaporizer
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Why are cut-off valves and safety valves installed at the steam inlet and outlet of the three internal manholes A2, A11, and A12 located at the upper part of the gasifier and SGC?
That’s a very detailed question; I want to know the answer too
The shut-off valve is installed to cut off the water pipeline during disassembly, while the safety valve prevents the shut-off valve from remaining closed when the system is put back into use