Seitz® K Series Depth Filter Sheets product photo Primary L

Seitz® K Series Depth Filter Sheets

For a Wide Range of Food
and Beverage Applications

Seitz K series depth filter sheets were developed to meet the entire range of removal requirements in the food and beverage industry.

From the selection and quality control of raw materials to application of the latest production technologies, the K filter sheets meet the highest quality standards.

K filter sheets are available in multiple grades suitable for microbial reduction and applications requiring fine, clarifying and coarse filtration.

 
Features Benefits
Homogenous and consistent media, available in multiple grades
  • Suitable for a variety of applications
  • Proven performance
  • Reliable microbial reduction with tighter grades
A combination of surface, depth and adsorptive filtration
  • High solids retention
  • Very good permeability
  • Excellent filtrate quality
Each individual filter sheet is laser etched with the sheet grade, batch number and production date.
  • Full traceability
 


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Description

For a Wide Range of Food
and Beverage Applications

Seitz K series depth filter sheets were developed to meet the entire range of removal requirements in the food and beverage industry.

From the selection and quality control of raw materials to application of the latest production technologies, the K filter sheets meet the highest quality standards.

K filter sheets are available in multiple grades suitable for microbial reduction and applications requiring fine, clarifying and coarse filtration.

 
Features Benefits
Homogenous and consistent media, available in multiple grades
  • Suitable for a variety of applications
  • Proven performance
  • Reliable microbial reduction with tighter grades
A combination of surface, depth and adsorptive filtration
  • High solids retention
  • Very good permeability
  • Excellent filtrate quality
Each individual filter sheet is laser etched with the sheet grade, batch number and production date.
  • Full traceability
 
Applications
 
Grade Application
EKS
EK 1
EK
KS 50
KS 80
Microorganism reduction and yeast removal in wine
Final filtration of juice and juice concentrate
Microorganism reduction in sugar syrups
Microorganism reduction in enzyme solutions
K 100
K 150
K 200
K 250
K 300
Polishing of wine
Prefiltration of juice prior to final membrane filtration
Haze removal in apple juice
K 700
K 800
K 900
Wine clarification
Particle removal from fruit juice and tea-based drinks
Prefiltration of juice concentrate
Olive oil polishing
Enzyme solution and sweetener clarification
 
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 Pall website for a Declaration of Compliance to specific National Legislation and/or Regional Regulatory requirements for food contact use.

Main Constituents

Cellulose, diatomaceous earth (DE, Kieselguhr), perlite.

Characterization

 
Grade Mass per
Unit Area
g/m2
Thickness
mm
Ash
%
Water
Permeability2
L/m2/min
(gal/ft2/min)
EKS 1400 3.7 58 29 (0.7)
EK 1 1450 3.8 51 41 (1)
EK 1400 3.8 46 68 (1.7)
KS 50 1350 3.7 46 93 (2.3)
KS 80 1350 3.7 46 113 (2.8)
K 100 1350 3.7 46 146 (3.6)
K 150 1350 3.9 46 185 (4.6)
K 200 1350 3.9 46 213 (5.2)
K 250 1250 4.0 46 510 (12.5)
K 300 1250 4.2 46 785 (19.3)
K 700 1250 4.1 46 925 (22.8)
K 800 1250 4.1 46 1275 (31.4)
K 900 1200 4.3 46 1700 (41.8)
 
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).

Regeneration

K series filter sheets may be rinsed with clean water (in the forward or reverse3 direction) to increase throughput and to optimize economic efficiency. Optimal regeneration of filter sheets installed in a plate and frame filter may be achieved with serial rinses of warm water followed by hot water. An example protocol is shown below.
  1. Rinse with warm water (60 °C / 140 °F) for 15 minutes
  2. Rinse with hot water (70 – 80 °C / 158 – 176 °F) for 8 – 10 minutes
The rinse flow rate should be equivalent to the filtration flow rate with a back pressure of 0.5 –1 bar (7.2 –14.5 psi).

3When rinsing in the reverse flow direction it is critical to control particulate and microbial levels in the rinse water so that the filtrate side of the sheet is not contaminated. Water used for reverse flow flushes should be particle-free, and if the filter will not be sterilized prior to re-use the water should be free of microbes. Backwashing should be in a diagonal direction from outlet to inlet in a plate and frame filter.

Sterilization and Sanitization

 
Method Temperature °C (°F) Maximum Differential Pressure bar (psi) Time4/Cycle min
Seam 125 (257) 0.5 (7.2) 20
Hot Water 90 (194) 1 (14.5) 30
 
4The actual time required may vary as a function of the process conditions.

Filtration Guidelines5

For achieving optimal filtrate quality, the following flow velocities and differential pressures should not be exceeded:
 
Grade Description Flow Velocity
L / m2/h
(gal/ft2/ h)
Maximum
Differential
Pressure bar (psi)
EKS, EK 1, EK, KS 50, KS 80 Fine Filtration 525 (12.9) 1.5 (21.8)
K 100, K 150, K 200, K 250, K 300 Polish Filtration 850 (20.9) 3 (43.5)
K 700, K 800, K 900 Coarse Filtration 850 (20.9) 3 (43.5)
 
5Please contact Pall for recommendations on your specific filtration process as results may vary by product, pre-filtration and filtration conditions.

For additional operating guidelines, including rinsing of sheets prior to use, please refer to instructions provided by Pall.
Performance
 

Quality

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

 

Relative Retention Rating1


Seitz K Series Depth Filter Sheet Nominal Retention

 

1Measured under laboratory test conditions. Removal performance of filter sheets is nominal and dependent on process conditions. There is no standardized method among manufacturers for its characterization.
Type
Sheet Filters and Modules
Use
Clarification, Filtration, Polishing
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 K series filter sheets are also available in SUPRAdisc™ II module configurations.

Please contact Pall.
Application
Preclarification, Clarification, Particle Filtration, Fine Filtration, Polish Filtration, Trap Filter (Sugar Syrup), Chill Haze Removal/Stabilization, Polishing Filtration/Colloid Removal