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PureFlo® Biological Reduction Grade
PureFlo® biological reduction grade cartridges are highly retentive hydrophillic PES membrane filters that have been designed for critical solutions in the pharmaceutical industry.  The PES membrane in an all-polypropylene construction provides excellent chemical compatibility.  The PureFlo® biological reduction grade cartridge has superior flow per surface area as compared to other membrane cartridges.   No adhesives, binders, or surfactants are used in the manufacturing process.  All cartridges are rinsed with high-purity water to reduce extractables and downtime. 

The PureFlo
®
membrane is inherently hydrophilic and does not require pre-wetting with IPA and flushing with DI water.  This eliminates a potential source of contamination and hazardous waste.  All filter cartridges are 100% integrity tested to ensure filter integrity each and every time.  PureFlo® biological grade cartridges are well-suited for critical applications where superior flow, microbial reduction and particle retention at 0.1, 0.2, 0.45, 0.65 and .8 micron are needed.  The PES membrane also exhibits low protein-binding characteristics.  
 

PES Bio-Reduction Grade Cartridge
PES Bio-Reduction Grade Cartridge

Regulatory Compliance
Manufactured from materials that conform to the requirements of 21CFR Part 177 of the U.S. Code of Federal Regulations and USP Class VI Biological Test for Plastics.  ISO 9001, ISO 14001 and ISO 13485 certified. 
 
Water Bubble Point Specification
0.1um: 23psi,0.16 MPa (IPA)
0.2um: 45psi,0.32 MPa 
 
Autoclavable and Sanitizable
Filters can be autoclaved at 126° C for 60 minutes or chemically sanitized in situ using common sanitizing agents such as hot water at 90° C, or, up to five steam-in-place cycles at 135°C  (275°F) at <0.35 bar (5 psid) for 20 minutes

  


Materials of Construction
Membrane: Hydrophilic Polyethersulfone
Membrane Supports: Polypropylene
Cage, Core, End Caps: Polypropylene
Gasket / O-Rings: EPDM, Buna N, Silicone, Viton, TES, and TEV

Dimensions (nominal)
Lengths: 5 in. (13 cm), 10 in. (25 cm), 20 in. (50 cm), 30 in. (76 cm), 40 in. (102 cm)
Diameter: 2.75 in. (7 cm)


Effective Filtration Area
0.65 m2 (7 ft2) per 10" cartridge element


Operating Conditions

Maximum Forward Differential Pressure:
5.0 bar (73 psid) at 20°
C
Maximum Reverse Differential Pressure:
3.0 bar (44 psid) at 20°
C
Maximum Operating Temperature: 80°
C
 
 


PureFlo® Biological Grade Ordering Guide
Document
PureFlo PES Bio-Reduction grade Datasheet
 


 
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