Comparison between Water Bath Vaporizers and Air Heated Vaporizers
| Waterbath Vaporizer | Ambient Air Vaporizer |
| Characteristics | Robust and reliable design Long lifetime Fast delivery of standard and "quasi-standard" vaporizers in capacity range 500 - 15.000 Nm³/h Multiple streams of different cryogenic gases can be treated in one unit |
Easy and fast installation Fast delivery from stock Robust and reliable modular design Long lifetime |
| Range of capacity | Approx. 500 to 150.000 Nm3/h |
Approx. 30 to 3.000 Nm³/h per unit. |
| Temperatures | Minus 269°C to approx. plus 150°C |
Minus 269°C to ambient temperature |
| Pressures | Up to 400 bar (5.800 psi) |
Up to 400 bar (5.800 psi) |
| Operation | Continuous Discontinuous Stand-by |
Continuous approx. 8 h > 8 h alternately operation of two units |
| Materials | Stainless steel (SS) Carbon steel (CS) Special alloys |
Aluminium (Al) Stainless steel (SS) |
| Space required | Small |
High |
| Utilities | Steam, water or electricity |
None |
| Applications | For cryogenic gases, such as N2, O2, Ar, H2, He, CO2, CO, LNG, C2H4, C2H6, in cryogenic and petrochemical plants a.o. Electropolished pipes for high purified gases |
For cryogenic gases, such as N2, O2, Ar, H2, He, CO2, CO, LNG, C2H4, C2H6, in cryogenic and petrochemical plants a.o. Electropolished pipes for high purified gases |
