Starclear™ Filter Cartridges product photo Primary L

Starclear™ Filter Cartridges

The Starclear glass fiber filter cartridge employs a unique composite design that incorporates a polypropylene pre-filtration layer (Pall Profile® Star media) with 2 layers of 1 μm absolute rated positively charged glass fiber filter membrane (Pall Ultipor® GF Plus media).

Pall’s AB style filters are disposable 254 mm (10 inch) modular element cartridges assembled in 254,508,762, and 1016 mm lengths to be used with stainless steel housing assemblies, most suitable for medium to large scale manufacturing operations (100 L to >1000 L). With Code 7 fittings as standard, these are the most versatile filtration units in Pall’s range and incorporate a broader range of filtration media than any other filter type. These filters, when encapsulated, become the Kleenpak™ Nova capsule format.

Key Features and Benefits

  • Built-in pre-filtration layer ensures exceptionally high dirt holding capacity, long service life, and smaller installations
  • Absolute filtration layers for consistent performance and no fiber shedding or unloading
  • High flow rates mean faster production times and improved process economics
  • Positive zeta potential for removing fine contaminants such as bacteria, viruses, endotoxins, and haze

Quality Standards

Pharmaceutical grade cartridges provide assurance that:

  • Every filter is manufactured under a quality system certified to ISO 9000
  • All filter elements are batch traceable • The filter components have met the specifications for biological tests listed in the current revision of the USP for Class VI-121 °C plastics
  • Filter elements are statistically tested for fabrication integrity
  • Filter effluent is statistically tested for:
    • Particulate and fiber cleanliness using an optical microscope
    • TOC, pH and pyrogens in accordance with current USP limits and requirements.


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Description

The Starclear glass fiber filter cartridge employs a unique composite design that incorporates a polypropylene pre-filtration layer (Pall Profile® Star media) with 2 layers of 1 μm absolute rated positively charged glass fiber filter membrane (Pall Ultipor® GF Plus media).

Pall’s AB style filters are disposable 254 mm (10 inch) modular element cartridges assembled in 254,508,762, and 1016 mm lengths to be used with stainless steel housing assemblies, most suitable for medium to large scale manufacturing operations (100 L to >1000 L). With Code 7 fittings as standard, these are the most versatile filtration units in Pall’s range and incorporate a broader range of filtration media than any other filter type. These filters, when encapsulated, become the Kleenpak™ Nova capsule format.

Key Features and Benefits

  • Built-in pre-filtration layer ensures exceptionally high dirt holding capacity, long service life, and smaller installations
  • Absolute filtration layers for consistent performance and no fiber shedding or unloading
  • High flow rates mean faster production times and improved process economics
  • Positive zeta potential for removing fine contaminants such as bacteria, viruses, endotoxins, and haze

Quality Standards

Pharmaceutical grade cartridges provide assurance that:

  • Every filter is manufactured under a quality system certified to ISO 9000
  • All filter elements are batch traceable • The filter components have met the specifications for biological tests listed in the current revision of the USP for Class VI-121 °C plastics
  • Filter elements are statistically tested for fabrication integrity
  • Filter effluent is statistically tested for:
    • Particulate and fiber cleanliness using an optical microscope
    • TOC, pH and pyrogens in accordance with current USP limits and requirements.

Specifications

Materials of Construction

Filter Medium: 
Pre-filtration Layer
Final Filtration Layer


Polypropylene
Positively charged glass fiber

 Support and Drainage Layers  Polypropylene
 Core, Cage and Endcaps  Polypropylene

 

Steam Sterilization

Steam Sterilizing Temperature
(In situ or autoclave)

Maximum Recommended Cumulative Steam Life
 125 °C  10 hours
Further details on steam sterilization are available by contacting Pall

 

Extractables1

 Typical Aqueous Extractables per 254 mm (10 in.) Module   40 mg
1 Non-volatile residues from autoclaved elements after 4 hours reciprocation in deionized water

 

Microbial and Particulate Removal Efficiency

Challenge Contaminant Typical Removal Efficiency 2,4
 Brevundimonas diminuta  TR > 102
 Aqueous suspension of AC fine test dust3  ß > 5000 at 0.5 μm4
2 Titer reduction (TR) = Total no. organisms influent to filter
                                   No. organisms detected in effluent
3 Performance measured using the Pall F2 test. Contact Pall for further details.
4 ß =  No particles > given size in influent
         No particles > given size in effluent
  ß 5000 corresponds to a 99.98% removal efficiency

 

Operating Parameters5

 Maximum Differential Pressure

 5 bar (72.5 psi) @ 40 °C
 3.4 bar (49.2 psi) @ 60 °C

 Maximum Operating Temperature  60 °C
5 In compatible liquids which do not soften, swell or adversely affect the filter or its materials of construction

 

Typical Liquid Flow Characteristics

 

Type

Filter Cartridges

Use

Pre-Filtration

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