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Asymmetric P-Nylon Filter (Ultrapure Water Filtration)

Overview
Specifications
Performance
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Asymmetric P-Nylon filters utilizes the proven defect-reducing nylon membranes but configured into a new, asymmetric pore geometry. This tapered pore design, with an opened upstream structure and a fine downstream region, allows for filtration removal ratings down to 20 nm with very low differential pressures.

  • Ideal for critical point-of-use ultrapure water applications
  • Naturally hydrophilic (no surface modifications)
  • Quick rinse-up
  • Low extractables
  • Manufactured in a cleanroom environment
  • Reduces defects by sieving and absorption
  • Integrity testable

Specifications

Materials
  • Medium: Asymmetric hydrophilic nylon 6,6
  • Core, cage, and end caps: High density polyethylene (HDPE)
  • Support and drainage: High density polyethylene (HDPE)
  • O-ring options: Viton1 and Teflon1 encapsulated Viton
Removal Ratings
  • 40 nm, 20 nm
Filter Areas
  • 40 nm AND: 1.2 m2 / 13 ft2 per 254 mm / 10 in.
  • 20 nm ANM: 1.3 m2 / 14 ft2 per 254 mm / 10 in.
Configurations
  • Nominal length:
    • 254 mm / 10 in.
    • 508 mm / 20 in.
    • 762 mm / 30 in.
    • 1016 mm / 40 in.
  • Diameter: 70 mm / 2.75 in
  • O-ring size / end caps:
    • Code 3: 222 double O-ring / flat end
    • Code 8: 222 double O-ring / finned end
    • Code 7: 226 double O-ring bayonet lock / finned end
    • ABD09 Code 3: 222 double O-ring / flat end designed to retrofit Code 0 elements
Operating Conditions
  • Maximum operating temperature: 50 °C / 120 °F
  • Maximum forward / reverse Differential Pressure: 270 kPa @ 20 °C / 40 psid @ 68 °F

1 Viton and Teflon are trademarks of E. I. du Pont de Nemours and Company

Performance

Pressure vs. Liquid Flow Rate2

* For liquids with a viscosity differing from water, multiply the pressure drop by the viscosity in centipoise.

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