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Cryogenic Loading Arm for LNG tanks

LNG cryogenic loading arm is used for liquid natural gas loading and unloading.
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Cryogenic loading arm is a kind of truck loading arm.

Cryogenic loading arms is suitable for transferring liquefied gas at very low  temperature, such as liquid natural gas(LNG), etc. This system uses base riser to absorb the mechanical stress, thus make the stress to the lowest level to lengthen the working life of loading arms. The low temperature swivel joint is made of double flange structure, which make the changeable for main seal convenient. The nitrogen cleaning system make the ball trace dry preventing the entry of atmospheric moisture. The swivel joint is manufactured by numerically controlled machines, specially designed seals make the joint resistant to very low temperature.

The swivel joint and pipelines are welded according to special procedure and treated by special processes. After strict inspection and test, we guarantee that every arm has excellent function performances.


Places applied:

Bottom closed loading and unloading

Product handled:

Cryogenic ethylene, liquefied natural gas etc.

Nominal diameter



SS304, SS304L, SS316, SS316L

Design temperature:

-196~100 degree centigrade

Design pressure:


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