Cryomec DELTA N pump

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Fives Cryogenics Equipment CentrifugalPumps Cryomec DELTA N (1)-FIVES

Cryomec DELTA N Pump

Fives' Cryomec DELTA N pump is a worldwide market reference. Dedicated to high-pressure processes, it is widely used for cylinder-filling applications. Its design is adapted to permanent cooling thanks to its trapezoid shape allowing automatic degassing.

Several technical innovations are available on the Cryomec Delta N piston pump. The NPSHr (Net Positive Suction Head) can be reduced to 0 bar thanks to the Supercharger fitted onto the cold section - allowing the Cryomec DELTA N pump to pump the entire capacity of the feeding tank. It eliminates losses due to tank pressurization.

Thanks to its countless technical advantages, the Cryomec DELTA N high pressure pump reduces the number of downtimes in the process and considerably extends MTBF (Mean Time Between Failure).

Its key differentiating asset: it significantly reduces the total cost of ownership.


Fives' Cryomec DELTA N high pressure pump is the "cost-compressor" pump. Its specific heating process allows increased packing service lifetime and its patented spherical coupling reduces radial loads and improves piston alignment. This wide array of technical innovations leads to records MTBF: above 7500 hours!


The NPSHr (Net Positive Suction Head) can be reduced to 0 barG thanks to the Supercharger fitted onto the cold section - allowing to pump the entire capacity of the feeding tank.

Possible Full Automation

Fives' Cryomec DELTA N pump range offers various control systems - limiting the effects of man-intervention on the pump's reliability.

Product features and advantages

  • Available for all cryogenic liquids.
  • Flow rates range from 2 to 190 l/ min.
  • Pressure up to 415 barG.
  • Guaranteed for 2 250 hours on sealing system and 4 500 hours on crank drive.
  • High- level safety - the equipment is especially designed for oxygen and LNG pumping.
  • Improved efficiency by fitting the pump with the patented Supercharger technology which leads to 0-NPSH.
  • The low speed model can be used in process duty.

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