ENEXIO Water Technologies GmbH

- Anti-Legionella Drift Eliminators for Cooling Towers



2H SANIPACKING drift eliminators are made of a special antibacterial PP compound. The biocide impregnated compound disrupts the metabolic process of unwanted micro organisms at the cell wall level, thus interrupting their ability to function, grow and reproduce on the 2H SANIPACKING. Combined with regular maintenance and correct water treatment in the cooling circuit to prevent the formation of deposits and bacterial growth, 2H SANIPACKING drift eliminators serve to minimize the risk of infections from legionella diseases.

Features of our 2H SANIPACKING* drift eliminators

  • Prevents growth of Legionella pneumophila and other bacteria
  • Durable
  • High separation efficiency
  • High temperature resistance (PP)
  • No deformation under direct sunlight
  • No brittleness or sharp edges
  • Easy and economical installation
  • Safe to man and the environment

2H SANIPACKING drift eliminators impair the growth of Legionella pneumophila and other bacteria in open cooling circuits. They provide good leach and wash resistance. Under normal conditions this effect lasts for a minimum three to five years. As the fill media does not contain any heavy metals or arsenic they are safe to man and the environment.

Maximum tolerances:

On all dimensions +/- 20 mm or 2 % whichever is the greater. Other tolerances and dimensions by prior agreement.


Impact-resistant, environmentally friendly. Resistant to rot, fungi and most dissolved chemicals, UV-stabilized.


Pressure Drop 2HSANIPACKING0TEP-SP130:

These values base on the CTI ATC-140 test method (Isokinetic Drift Test Code) and EUROVENT standard OM-14-2009 and are to be understood as guideline values only. The performance of the drift eliminator is indicated by the ratio drift loss/water flow rate (in % of the circulating water volume). These guideline values base on measurements with a rain density of 20 m3/m2h and an approximate medium air velocity of 3 m/s. To achieve these values, an absolutely tight assembly of drift eliminator elements to each other, to the housing wall and to any openings is required. The face velocity must not be exceeded at any point of the drift eliminator.

2H SAN I PACKING0 Anti-Legionella Performance Test
To test the performance of 2H SANIPACKING fills and drift eliminators, the Japanese industry standard JIS Z 2801 (corresponding to ISO 22196) is used. The bacteria, in this case legionella (legionella pneumophila), are applied on a 2H SANIPACKING foil sheet and bred over 24 h. After this period, the number of living bacteria is determined and compared to an untreated reference sample. The difference of both samples is represented by a logarithmized value R.

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