Vacuum jacketed pipes


Triax line is similar to SEMIFLEX® line, but consists of three concentric tubes, the outside being protected by a plastic coating or stainless steel armor. Vacuum is maintained in the outer annular space.

Liquid nitrogen is supplied to the use points via Triax line from the phase separator. Gas-containing liquid returns continuously to the separator in the annular space between the inside and middle tubing. Triax systems are used where the rapid discharge of LN2 caused by high tank pressures is undesirable, when a positive supply of pure low pressure liquid is provided.

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