I would like to ask the experts: what kind of valves should be used for the inlet and outlet of gas desulfurization?
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What valve combination should be used for the inlet and outlet of gas desulfurization, with DN700, pressure of 0.4 MPa, temperature of 100°C, and the medium being coke oven gas?
Butterfly valves are suitable for shutting off and regulating large-diameter pipes. For gas pipelines, a special gas globe valve plus butterfly valve is used at the front end of the control valve, while a butterfly valve is used at the rear end ； A butterfly valve is used for bypassing, with the front end of the bypass connected between the check valve and the butterfly valve. Globe valves and butterfly valves should preferably be electrically operated.
Generally, the temperature of coke oven gas is between 20 and 40 degrees, with a pressure of around ten KPA; why is it so high in your case?