Cryogenic ball valve

Cryogenic ball valve is a term of aerospace science and technology published in 2005. With the development of aerospace industry, low-temperature high-energy propellants represented by liquid hydrogen and liquid oxygen have been widely used, and the development of liquid hydrogen and liquid oxygen rocket engines has also achieved great success.
At present, the amount of various cryogenic valves used on a hydrogen-oxygen rocket engine is about X units, and the amount of ground-based hydrogen-oxygen rocket engine test benches is about X units. Among these cryogenic valves, cryogenic ball valves have been greatly developed and applied due to their unique liquid flow and use characteristics.


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EDVC VALVE CO., a specialized in valve manufacturing enterprise with more than 15 years of history.We main produce Top Entry Ball Valve, Fully Welded Ball Valve, Arc Valve, Aluminum Bronze Valve, Automatic Recirculation Valve, Orbit Ball Valve, Safety Valve, Globe Valve, Tilting Disc Check Valve and Rising Stem Ball Valve etc.

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What are cryogenic ball valves used for

Cryogenic ball valve are one of the most important fluid control devices in liquefied natural gas (LNG) receiving stations. The dynamic flow characteristics of cryogenic ball valves directly affect the stability of a pipeline system. 

Frequently Asked Question

Do you have any question?

Cryogenic valves include cryogenic ball valves, cryogenic gate valves, cryogenic globe valves, cryogenic safety valves, cryogenic check valves, cryogenic butterfly valves, cryogenic needle valves, cryogenic throttle valves, cryogenic pressure reducing valves, etc. The cryogenic valve is a valve suitable for medium temperature -40℃~ -196℃.

Etc. These valves are required to be operated to give assured leakage rates. These valves which are recommended to use below -50⁰C are designed with a extended bonnet which separates the operator and stem seal from the cold temperature. 12” gas column is a standard feature for these valves.

When the cryogenic ball valve is in the closed state, the temperature of the cryogenic liquid in the cavity of the valve body will increase, and the pressure will also increase. A small hole is machined on the ball to connect with the inlet end of the ball valve, so as to prevent the damage to the valve due to pressure rise. Therefore, the general cryogenic ball valve is directional and cannot be installed in reverse.

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