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Fluid temperature: High temperature fluids (above 450 ℃) should choose high-temperature resistant valves, such as chromium molybdenum steel high-temperature gate valves used in steam pipelines. Low temperature fluids (below -40 ℃) require valves with good low-temperature toughness, and low-temperature ball valves are commonly used in liquid nitrogen and liquid oxygen pipelines.

Butterfly valve is a type of valve that uses a disc type opening and closing element to rotate back and forth about 90 degrees to open, close, or regulate the flow rate of the medium. Butterfly valves not only have a simple structure, small size, light weight, low material consumption, small installation size, low driving torque, easy operation, and fast speed, but also have good flow regulation function and closing sealing characteristics.

Ball valves are widely employed in contemporary industrial pipeline systems due to their wide range of applications, superior sealing performance, and ease of operation.

In power plants, oil and gas pipelines, water systems, and other industrial operations, gate valves are crucial flow control devices.