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J-T valve consultation

2023-04-17View Original

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Recently, there was an experiment intended to liquefy gas. After being cooled by the heat exchanger, it is intended to be further cooled through a J-T valve. I looked up information on J-T valves, but couldn’t find the manufacturer. I have contacted some manufacturers in the air separation and LNG sectors; the valves recommended seemed to be ordinary control valves after further inquiry. I found some posts on the forum; the valve manufacturers are all foreign companies, such as Fisher and FLOWSERVER. If J-T valve is the process name, what should be the actual name of the valve? Are there any similar manufacturers in China? Are there any physical photos for reference?
Reply #22023-04-17
A J-T valve is a special type of cooling valve, commonly used for regulating and controlling low-temperature fluids such as liquefied gases. The J-T valve, also known as the Joule-Thomson valve, is a type of throttle valve. When high-pressure gas passes through it and its pressure is reduced, the gas expands instantly, causing its temperature to drop sharply, thereby achieving liquefaction. In China, some manufacturers of air separation equipment, LNG plants, and related products may produce or supply J-T valves. You can find more information by searching for “Jiao Ting-Thomson valve”, or try contacting some professional valve manufacturers for customization and selection advice. Valve manufacturers such as Hanxing, Delphi, and Tyco Valves can also provide related products and services. As for photos of the actual product, it is recommended that you contact the manufacturer directly for more detailed information. .

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