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Seitz® T Series Depth Filter Sheets

For General Industrial Filtration Applications

Seitz T series depth filter sheets were developed for coarse and clarifying filtration of many fluids in the food and beverage industry.

The "T" stands for technical because these filter sheets are designed for general industrial filtration duties. T 120 through T 950 are specifically designed for clarifying filtration. With their positive ZETA potential, these depth filters contain a high adsorption capacity. T 1000 through T 5500 have no ZETA potential. This range of the T series is characterized by its open structure and is well suited for filtration of high suspended solids and viscous applications.

From the selection and quality control of raw materials to application of the latest production technologies, the T series filter sheets meet the highest quality standards.
 
Features Benefits
Homogenous and consistent media, available in multiple grades
  • Suitable for a variety of applications
  • Proven and reliable performance
Reduced density and high porosity media with low filtration resistance
  • Economical filtration
  • High particle holding capacity resulting in long filtration cycles and high throughputs
  • Suitable for filtration of viscous materials, retention of gel particles or coarse dispersed substances at low differential pressures
Each individual filter sheet is laser etched with the sheet grade, batch number and production date.
  • Full traceability
 
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Description

For General Industrial Filtration Applications

Seitz T series depth filter sheets were developed for coarse and clarifying filtration of many fluids in the food and beverage industry.

The "T" stands for technical because these filter sheets are designed for general industrial filtration duties. T 120 through T 950 are specifically designed for clarifying filtration. With their positive ZETA potential, these depth filters contain a high adsorption capacity. T 1000 through T 5500 have no ZETA potential. This range of the T series is characterized by its open structure and is well suited for filtration of high suspended solids and viscous applications.

From the selection and quality control of raw materials to application of the latest production technologies, the T series filter sheets meet the highest quality standards.
 
Features Benefits
Homogenous and consistent media, available in multiple grades
  • Suitable for a variety of applications
  • Proven and reliable performance
Reduced density and high porosity media with low filtration resistance
  • Economical filtration
  • High particle holding capacity resulting in long filtration cycles and high throughputs
  • Suitable for filtration of viscous materials, retention of gel particles or coarse dispersed substances at low differential pressures
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.

Main Constituents

 
T 120, T 500, T 750, T 950, T 1000, T 1500, T 2100, T 3500 cellulose, perlite
T 2600, T 5500 cellulose
 

Characterization

 
Grade Mass per Unit Area g/m2 Thickness mm Ash % Water Permeability2 L/m2/min (gal/ft2/min)
T 120 900 2.8 43 213 (5.3)
T 500 850 2.7 38 465 (11.6)
T 750 850 2.7 40 565 (14.1)
T 950 850 2.8 40 1,700 (42.5)
T 1000 950 3.6 35 3,400 (85)
T 1500 850 3.7 33 7,285 (182.1)
T 2100 700 3.3 15 10,200 (255)
T 2600 700 2.9 < 1 10,200 (255)
T 3500 888 4.6 15 12,750 (318.8)
T 5500 750 4.5 < 1 25,500 (637.5)
 
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

T 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).

Sterilization and Sanitization

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

Filtration Guidelines

Please 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.

Applications

 
Grade Application
T 120
T 500
T 750
T 950		 Coarse filtration of rennet
Coarse clarification of rapeseed and wheat germ oil
Fine filtration of sugar syrup
T 1000
T 1500
T 2100
T 3500		 Wine clarification
Coarse filtration of natural extracts
Coarse filtration of sugar syrup
Coarse filtration of honey and edible oils
T 2600
T 5500		 Sugar syrup clarification
Particle removal in spirits
Clarification of enzyme solutions
 

Performance

Quality

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

Relative Retention Rating1

Relative Retention Rating
1 Effective removal performance of filter sheets is dependent on process conditions.

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.)

Folded Sheets

  • 1003 mm x 2016 mm (39.5 in. x 79.3 in.)
  • 1205 mm x 2420 mm (47.4 in. x 95.3 in.)
Other formats are available on request.

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

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