T-Series TFF Cassettes with Omega™ Membrane

High Performance Omega PES Membrane Combined with Significant Material and Design Improvements Deliver Highly Reliable Fluid Dynamics and Better Process Economics

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Materials of Construction

Membrane

Omega polyethersulfone

Support

Polyolefin

Screens

Polypropylene

Encapsulent

Polyurethane with white pigment (TiO2)

Permeate Seals

Platinum cured silicone

Gaskets

Medical grade, platinum cured silicone


Operating Limits

Maximum Pressure1

6 barg (90 psig) @ 23 °C
4 barg (60 psig) @ 55 °C

Maximum TMP

4 barg (60 psig) @ 55 °C

Temperature Range2

-5 – 55 °C

pH Range

2 – 14


1
Pressure rating will be dependant on rating of the lowest system component.
2Cassettes must not be allowed to freeze.

Typical Operating Parameters

Cross Flow Rate for Processing

5 – 7 L/min/m2 (0.5 – 0.7 L/min/ft2)

Cross Flow Rate for Cleaning

8 – 10 L/min/m2 (0.8 – 1.0 L/min/ft2)

Integrity Test

Test Pressure

2 barg (30 psig)

Maximum Air Forward Flow

< 1600 sccm/m2 (< 150 sccm/ft2)

Shelf Life

The shelf life of cassettes packaged in 0.3 N sodium hydroxide is expected to be 4 (four) years from the date of manufacture when the cassettes are stored unopened in the original packaging at 4–25 °C and protected from direct light. Extended shelf life studies are ongoing. 

Biological Safety

All of the materials of construction in the T-Series cassettes have been tested and meet requirements for United States Pharmacopeia (USP) Biological Reactivity Test, In Vivo <88> at 70 °C.

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