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Gate valves can be divided into light and dark, single and double ram, wedge and parallel ram.The closing tightness of gate valve is not good, and the opening of large-diameter gate valve is difficult;The valve body size along the flow direction is small, flow resistance is small, the nominal diameter span of gate valve is large.
Gate valves can be divided into light and dark, single and double ram, wedge and parallel ram.The closing tightness of gate valve is not good, and the opening of large-diameter gate valve is difficult;The valve body size along the flow direction is small, flow resistance is small, the nominal diameter span of gate valve is large.