Performance Standard

HD Q-PAC® Oil Water Separation Coalescing Media
European Union/Water Separation Test

Summary of CEN EN 858-1
Testing Requirements and Results

CEN EN 858-1 Test Method for
Class I Coalescing Separator
Light liquid: density 0.85 g/cm³*
Water: potable or purified surface water
Solubility of light liquid: nil, unsaponifiable
Water turn over: minimum four volumes of test unit
Liquid flux: 25-40 m³/m²-h (10-15 gpm/ft²)
Max. residual light liquid: 5 mg/L**
* Fuel oil, per ISO 8217, designation ISO-F-DMA
** Hydrocarbon content analysis by prescribed Infrared
Spectroscopy procedure.


HD Q-PAC® Test Results
Danish Institute of Technology
Depth HD Q-PAC®: 610 mm (24 inches)
Inlet Oil Concentration: 4250 mg/L
Liquid Flux: 31.1 m³/m²-h (12.7 gpm/ft²)
Outlet Oil Concentration: 0.98 mg/L*
Oil Droplets > 20 m: none observed
* Average of five repetitions, data range 0.9 - 1.1 mg/L