Introduction to API Low- temperature Valves

Types:

API low-temperature valves mainly include low-temperature ball valves and gate valves and other types.

Low temperature ball valves are suitable for ethylene, liquefied natural gas and other chemical installations, used to control the liquid cryogenic medium transportation and distribution.

Low-temperature flange gate valve is a special valve device for cryogenic conditions, suitable for liquefied natural gas, liquid oxygen and other cryogenic media delivery system opening and closing control.

Working Principle:

API low-temperature valves are designed with special materials and structures to work stably at very low temperatures.

For example, pneumatic diaphragm liquid ultra-low temperature adjustment valve. The opening and closing of the valve is driven by a pneumatic thin-film actuator to realize the precise regulation of cryogenic fluids.

This kind of valve has the advantages of simple structure, stable adjustment performance, easy operation, etc. It is suitable for the occasions that need to precisely control the flow and pressure of cryogenic fluid.

Applications:

Low-temperature fluid transportation: Used to control the transportation and distribution of low-temperature fluids such as liquid oxygen and liquid nitrogen.

Gas Separation: In the process of industrial gas separation, it is used to control the flow and pressure of cryogenic fluids to ensure the separation effect.

Scientific research: in laboratories and scientific research institutions, it is used to precisely control the experimental conditions and parameters of cryogenic fluids.

Selection and use of precautions

In the purchase of API low-temperature valves, should fully consider the requirements of the working conditions, fluid characteristics, temperature range and other factors, select the appropriate product type and specifications.

Before use, should carefully read the product manual, understand the correct installation and use methods to ensure safety and reliability.

In the process of use, regular maintenance and repair should be carried out to ensure the normal operation and service life of the control valve.