Gas Transport

The demand and the associated production volume of technical gases is increasing daily. In order to be able to transport the liquid gases from the production sites to the intermediate storage facilities or customers, special transport containers are required which prevent heat transfer, as much as possible, and also maintain the pressure constant over a longer period of time. But where is vacuum needed?

Application requirements

  • Long post evacuate intervals
  • High leak tightness
  • Calculation of desorption and conductance effects

How does it work?
Before filling the transport containers with the liquid gases, they must first be evacuated. Depending on the previous gas, ATEX-certified vacuum pumps are used, which are suitable for working in potentially explosive environments.
After filling and during transport and storage of the containers, an insulation vacuum needs to be created and sustained to prevent the gas from heating to the point of boiling. A high degree of tightness for the components needs to be ensured, and also periodical re-evacuation may be necessary.

Product portfolio
Pfeiffer Vacuum offers a broad product portfolio for the transport of gases. Roots pumping stations from the CombiLine series with corresponding pumping speeds, depending upon the vessel size, have become established in practice for evacuating gas volumes. HiCube turbo pumping stations have proven themselves in the Industry for evacuating the insulation volumes of gas transporters, also depending on the tank size.

Main products

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