Globe valve

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The fluorine-lined globe valve is a forced-sealing valve, so when the valve is closed, pressure must be applied to the valve disc to force the sealing surface not to leak. When the medium enters the valve from under the valve disc, the resistance that the Fluorine-lined globe valve has the following advantages: The structure is simple, and the manufacture and maintenance are relatively convenient. The working stroke is small, and the opening and closing time is short. Good sealing performance, small friction between sealing surfaces, and long service life. The disadvantages of fluorine-lined globe valve are as follows: The fluid resistance is large, and the force required to open and close is large. Not suitable for media with particles, high viscosity and easy coking. Poor adjustment performance. The types of high-pressure globe valves are divided into external thread type and internal thread type according to the position of the valve stem thread. According to the flow direction of the medium, there are straight-through type, direct-current type and angle type. The globe valve is divided into sealing form, including packing seal globe valve and bellows seal globe valve. It is suitable for various concentrations of aqua regia, sulfuric acid, hydrochloric acid, hydrofluoric acid and various organic acids, strong acids and strong oxidants at various concentrations from minus 50 degrees Celsius to 150 degrees Celsius. It is also suitable for various concentrations of strong alkali organic solvents and Other corrosive gases and liquid medium pipelines.