Bolted bonnet gate valves indeed play a crucial role in the oil and gas industry due to their ability to prevent leakage between the body and bonnet by using a gasket and bolts for fastening. Gate valves are primarily designed to fully open or close the disc, thereby controlling the flow of fluids. They are commonly used for applications where frequent operation or rapid opening and closing are not critical, such as in piping systems where emergency shut-off isn't often required.
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