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Ultra low temperature flange high-pressure gate valve is a valve designed specifically for ultra-low temperature conditions, used to control the flow of fluids at extremely low temperatures. It is suitable for the following usage scenarios:

Liquefied natural gas (LNG) process: Ultra low temperature flange high-pressure gate valves are widely used in LNG processes to control the flow of LNG fluids at extremely low temperatures. It can be used for LNG transportation pipelines, storage tanks, and processing equipment to ensure the safe transportation and storage of LNG.

Low temperature liquid nitrogen treatment: During the low-temperature liquid nitrogen treatment process, ultra-low temperature flange high-pressure gate valves can be used to control the flow and pressure of liquid nitrogen. These applications include low-temperature laboratories, semiconductor manufacturing, frozen food processing, and other fields.

Liquid oxygen and liquid nitrogen treatment: In the process of liquid oxygen and liquid nitrogen treatment, ultra-low temperature flange high-pressure gate valves can be used to control the flow of liquid oxygen and liquid nitrogen. These applications include rocket fuels, spacecraft propulsion systems, nuclear energy facilities, and other fields.

Low temperature chemical process: In low-temperature chemical processes, ultra-low temperature flange high-pressure gate valves can be used to control the flow of low-temperature coolants (such as liquid ammonia, liquid hydrogen, etc.). These applications include fields such as petrochemicals, pharmaceuticals, and fertilizer production.

Superconducting field: In the superconducting field, ultra-low temperature flange high-pressure gate valves can be used to control the flow of cooling fluids (such as liquid nitrogen) for superconducting materials. These applications include superconducting magnets, MRI equipment, nuclear magnetic resonance (NMR), and other fields.

The design and material selection of ultra-low temperature flange high-pressure gate valves take into account the special requirements of extremely low temperature environments, such as low temperature sealing, frost resistance, and low temperature strength of materials. It has high pressure, high sealing and cold temperature resistance characteristics, and can operate safely and reliably in ultra-low temperature environments.

When using ultra-low temperature flange high-pressure gate valves, it is necessary to select suitable valve materials, sealing materials, and valve types according to specific operating conditions, and operate and maintain them in accordance with operating procedures and safety requirements. It should be noted that valves may freeze at ultra-low temperatures, so corresponding measures need to be taken to prevent and solve this problem, such as heating devices, insulation layers, etc.

In short, ultra-low temperature flange high-pressure gate valves are key equipment for controlling fluid flow in extremely low temperature environments, suitable for various scenarios such as liquefied natural gas processes, low-temperature liquid nitrogen treatment, liquid oxygen, liquid nitrogen treatment, low-temperature chemical processes, and superconducting fields. By reasonable selection and use, the safe operation and reliability of the system can be ensured.