2.5" x 21" Ultrafiltration Membrane | Polyacrylonitrile (PAN) UF | 20,000 MWCO

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Applied Membranes Inc. Membrane Elements Water Treatment RO UF NF
2.5 " x 21"  Ultrafiltration Membrane (UF Membrane) |  Polyacrylonitrile PAN Membrane Elements

Applied Membranes polyacrylonitrile (PAN) spiral wound ultrafiltration (UF) membrane elements provide high performance with a molecular weight cut-off of 20,000, and are ideal for oily waste water and applications where tolerance to solvents and oils is required.

AMI UF Membranes are Made in the USA in their ISO 9001:2015 Certified Facility and are 100% Quality and Performance Tested.

Genuine AMI Membranes ISO USA Quality

Features of Applied Membranes Ultrafiltration PAN Membranes:

  • Tolerant to Many Solvents and Oils
  • Filtration to 20,000 Molecular Weight Cut-Off
  • Low Pressure Requirements For Reduced Operating Costs and Power Consumption
  • High Flux for High Flow Rates
  • Robust Materials and Construction for Long Life
  • Durable with good cleanability for long element life
  • Made in the USA
  • Manufactured in our ISO 9001:2015 Certified Facilities
  • 100% Performance and Quality Tested
  • Backed by our Experienced Technical Support Staff
  • High Quality for Consistent and Reliable Performance
  • Uses the most advanced membrane film technology and manufacturing processes
  • Standard dimensions to fit in commonly available housings



M-U2521PAN Specifications

AMI Part Number: M-U2521PAN
Membrane Size (Nominal): 2.5x21
Membrane Dimensions: 2.5"Dia. x 21"L
Molecular Weight Cut-Off (MWCO) 20,000
For Housing: Standard 25x21
Outer Wrap: Tape Wrapped
Membrane Type: Polyacrylonitrile (PAN) Ultrafiltration
Element Type: Spiral Wound
Maximum Operating Pressure: 200 psig @ 77°F (25°C)
Maximum Feed Flow: 20 gpm
Maximum Operating Temperature: 122°F (50°C)
Feed water pH Range: 3-9
End Style: Male PWT (Stinger Style)
Manufacturer: Applied Membranes, Inc.
Country of Manufacture: United States (USA)

AMI Membranes Product Specifications

Applications for Nanofiltration Membrane Elements:

  • Fuel Oil/Water Separations
  • Gray Water
  • Black Water
  • Paper Wastewater Treatment
  • Pulp Wastewater Treatment
  • Lignin Wastewater Cleanup
  • Textile Wastewater Cleanup
  • Applications Requiring Tolerances to Many Solvents and Oils

Reverse Osmosis Membrane Dimensions

Physical Dimensions of M-U2521PAN:


Total Length (L):

21 In. (53.3 cm)

Membrane Length (I):

19 In. (48 cm)

Diameter (D):

2.5 In. (6.4 cm)

PWT (P):

0.75 In. (1.9 cm)


Replacement Compatibility for AMI  25 X 21 UF Membranes

Applied Membranes M-U2540PAN membrane elements fit industry-standard 2521 membrane housings and can be used as direct replacement for many industry-standard 2.5-inch x 21-inch size spiral wound polyacrylonitrile ultrafiltration elements with 3/4" male product water tubes ("stinger style").