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Seitz® IR Series Depth Filter Sheets

For Distilled Spirits Filtration

Seitz IR series depth filter sheets were developed to meet the production needs and requirements of the distilled spirits industry.

A visually bright finished product free from visible particles is one of the main objectives of spirits filtration. Components (C12-16 fatty acid esters, terpenes, proteins or their complex compounds with metals and/or phenols) of some spirits may precipitate if calcium ion levels are too high. Magnesium may also cause precipitations in tannin containing spirits like whisky and brandy. Standard filter sheets contain small quantities of these extractable ions from the raw materials. IR Series filter sheets undergo a proprietary treatment that results in extremely low levels of extractable ions making them the ideal solution for distilled spirits applications.

 
Features Benefits
Homogenous and consistent media, available in multiple grades
  • Suitable for a variety of applications
  • Proven performance
A combination of surface, depth and adsorptive filtration
  • High solids retention
  • Very good permeability
  • Excellent filtrate quality
Proprietary treatment which results in extremely low levels of extractable ions (calcium, magnesium, iron, aluminum)
  • Reduced risk of precipitate in distilled spirits
  • High economic efficiency due to a long service life
Each individual filter sheet is laser etched with the sheet grade, batch number and production date.
  • Full traceability
 
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Description

For Distilled Spirits Filtration

Seitz IR series depth filter sheets were developed to meet the production needs and requirements of the distilled spirits industry.

A visually bright finished product free from visible particles is one of the main objectives of spirits filtration. Components (C12-16 fatty acid esters, terpenes, proteins or their complex compounds with metals and/or phenols) of some spirits may precipitate if calcium ion levels are too high. Magnesium may also cause precipitations in tannin containing spirits like whisky and brandy. Standard filter sheets contain small quantities of these extractable ions from the raw materials. IR Series filter sheets undergo a proprietary treatment that results in extremely low levels of extractable ions making them the ideal solution for distilled spirits applications.

 
Features Benefits
Homogenous and consistent media, available in multiple grades
  • Suitable for a variety of applications
  • Proven performance
A combination of surface, depth and adsorptive filtration
  • High solids retention
  • Very good permeability
  • Excellent filtrate quality
Proprietary treatment which results in extremely low levels of extractable ions (calcium, magnesium, iron, aluminum)
  • Reduced risk of precipitate in distilled spirits
  • High economic efficiency due to a long service life
Each individual filter sheet is laser etched with the sheet grade, batch number and production date.
  • Full traceability
 

Specifications

 

Food Contact Compliance

  • Food contact compliant filters are available. Please consult the Declarations of Compliance for applicable part numbers at the links below.
  • Please refer to the Pall website for a Declaration of Compliance to specific National Legislation and/or Regional Regulatory requirements for food contact use.


Relative Retention Rating1

Relative Retention Rating

Characterization

 
Grade Mass per Unit
Area g/m2		 Thickness
mm		 Ash % Water
Permeability2
L/m2/min
gal/ft2/min)
KS 50 IR 1350 3.7 46 93 (2.3)
K 100 IR 1400 4.3 51 187 (4.6)
K 250 IR 1250 4.0 46 510 (12.5)
K 800 IR 1250 4.1 46 1275 (31.4)
 

These figures have been determined in accordance with in-house test methods and the methods of the Technical / Analytical Work Group within the European Depth Filtration Association.

2The permeability was measured under test conditions with clean water at 20°C (68°F) and a Δp of 1 bar (14.5 psi).

The diagram below illustrates the release of calcium and magnesium from the comparable standard filter sheet K100 and K100 IR into whisky during filtration.

Seitz IR Series Depth Filter Sheets release of calcium and magnesium

The following total calcium and magnesium release per m² filter sheet at a flow velocity of 500 L/m²/h (12.3 gal/ft2/h) was calculated during this filtration run:
 
Sheet Calcium mg/m² (%) Magnesium mg/m² (%)
K 1003 667 (100) 192 (100
K 100 IR 146 (22) 68 (35)
 
3The K 100 is the comparable standard sheet to the K 100 IR with regard to retention rate and throughput.

Applications

 
 
Grade Application
KS 50 IR Polishing filtration in white spirits
K 100 IR Chill filtration of white spirits
K 250 IR Chill filtration of tannin containing spirits or white spirits high in fatty acids
K 800 IR Particle removal
 

Performance

 

Quality

  • Filter sheets produced in a controlled environment
  • Manufactured according to ISO 9001:2008 certified Quality Management System

Type

Filter Sheets

Ordering Information

Available Sheet Formats

Rectangular Sheets
  • 400 mm x 400 mm (15.8 in. x 15.8 in.)
  • 600 mm x 612 mm (23.6 in. x 24.1 in.)
Other formats are available on request.

Seitz IR series depth filter sheets are also available in SUPRAdisc™ II module configurations. Please contact Pall.

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