“Handling and transporting cryogenic liquids requires plenty of care as they must be kept at extremely cold temperatures. They must not be allowed to return to their gaseous state, and they must be shipped in volumes large enough to satisfy the needs of a space-launch operation or fuel a fleet of transport trucks, ships, barges or planes,” said
Like foam-insulated piping, VJP consists of a “pipe within a pipe” design including an inner pipe that carries the cryogenic liquid and an outer pipe that seals the annular space between the pipes. What makes VJP unique is its inner pipe, which is wrapped with thin sheets of multi-layer insulation that is coated with a metallic material, usually aluminum, to block radiative heat transfer. This design allows VJP to operate maintenance-free for 20 or more years.
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