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Emflon® PFA Filter Cartridges

Emflon PFA filters are a further addition to the successful Emflon filter range. The filters contain a proprietary pleated hydrophobic PTFE membrane and are designed for the removal of micro-organisms and particles from air and gases.

Emflon PFA filters:

  • Offer exceptionally high-flow rates to ensure low installation and operating costs
  • Have been validated for bacterial removal in air at an aerosol challenge level of 107 Brevundimonas diminuta ATCC 19146 per 254 mm (10 in.) length cartridge
  • Can also be steam sterilized repeatedly in situ to provide long service life

Better by Design

The heart of the filter is a PTFE membrane with exceptional flow properties. Equally important is Pall's unrivalled expertise in cartridge construction drawing on many years experience in making PTFE membrane filters. Optimized pleating configuration and membrane support, together with a wide bore cartridge core and adapter, ensure that this high-flow performance can be exploited to the fullest.

Typical Biopharmaceutical Applications

  • Large-scale fermenter air
  • Intermediate product vessel venting
  • Autoclave vacuum break
  • Biopharmaceutical instrument air
  • Air and gas service lines

Features and Benefits

  • High-flow rates and low pressure drop allow use of smaller systems, minimizing installation, filter replacement, and energy costs
  • Long steaming life offering low-cost filtration
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    Description

    Emflon PFA filters are a further addition to the successful Emflon filter range. The filters contain a proprietary pleated hydrophobic PTFE membrane and are designed for the removal of micro-organisms and particles from air and gases.

    Emflon PFA filters:

    • Offer exceptionally high-flow rates to ensure low installation and operating costs
    • Have been validated for bacterial removal in air at an aerosol challenge level of 107 Brevundimonas diminuta ATCC 19146 per 254 mm (10 in.) length cartridge
    • Can also be steam sterilized repeatedly in situ to provide long service life

    Better by Design

    The heart of the filter is a PTFE membrane with exceptional flow properties. Equally important is Pall's unrivalled expertise in cartridge construction drawing on many years experience in making PTFE membrane filters. Optimized pleating configuration and membrane support, together with a wide bore cartridge core and adapter, ensure that this high-flow performance can be exploited to the fullest.

    Typical Biopharmaceutical Applications

    • Large-scale fermenter air
    • Intermediate product vessel venting
    • Autoclave vacuum break
    • Biopharmaceutical instrument air
    • Air and gas service lines

    Features and Benefits

    • High-flow rates and low pressure drop allow use of smaller systems, minimizing installation, filter replacement, and energy costs
    • Long steaming life offering low-cost filtration

      Specifications

      Materials of Construction

       
       Membrane Hydrophobic PTFE
       Support and Drainage Layers Polypropylene
       End Cap, Core and Cage Polypropylene
       Adapter  Polypropylene with encapsulated stainless steel reinforcing ring
       

      Nominal Filter Area

       
       AB1PFA7PV  0.8 m2 (8.6 ft2)
       

      Maximum Differential Pressure1

       
      Temperature Maximum Differential Pressure Forward Direction
       Steam up to 125 °C  0.3 bar (4.3 psi)
       
      1 Validated using 1-hour cycles

       

      Cumulative Steam Life2

       
       Up to 125 °C 100 hours
       Up to 140 °C  40 hours
       

      2 Validated using 1-hour cycles.
      The steam life and service life data were determined by testing under controlled laboratory conditions up to the time indicated. Actual operating conditions may affect the filters’ long-term resistance to steam sterilization and hot air service. Filters should be qualified for each process application.

      Service Life in Air

       
      Temperature Service Life
      60 °C  Pressurized Air      Typically 12 months
      80 °C Vent Service           Typically 6 months
       

      Typical Air Flow Rates 3

      Vent Application

      2 barg (30 psig) Inlet Pressure

      3Typical initial clean medium ∆p per 254 mm (10 in.) element,  air at 20 °C.  For multi-length cartridges, divide pressure drop by number of 254 mm (10 in.) elements. Contact Pall for assistance in sizing.

      Type

      Filter Cartridges

      Use

      Air, Gas, and Vent Filtration

      Product Summary

      For applications like vessel venting, gas service lines, or biopharmaceutical instrument air Pall offers the Emflon® PFA Filter Cartridge. PFA filters use pleated hydrophobic membrane innovation to remove micro-organisms and particles from both air and gas. All filters are integrity tested and provide high flow rates with low pressure drops.

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