Windowpane Air Filters

Customized frame profiles allow optimal filter integration

Windowpane air filters are the ideal solution to meet the low profile and edge-to-edge filter needs of communications electronics applications. Windowpanes help telecom/datacom electronics designers meet the stringent requirements of the Telcordia NEBS standards.

The special design creates a sturdy air filter even when the combined thickness of filter media and frame is as thin as 0.13″ for applications where space is limited.

More Information:

  • Applications
  • Tolerances
  • Specifications
  • Media
  • Available Models & 3D CAD
  • Standards & Classifications
  • Frame

Universal Air Filter can customize Windowpane filters to meet Telcordia Standards for telecommunications and data communications equipment. Filters are designed to meet:

“GR-63-CORE, Network Equipment Building System (NEBS) Requirements : Physical Protection, Environmental Criteria, Issue 2, April 2002.” This guideline specifies UL 94 HF-1 filter media flame rating, minimum 80% dust arrestance, and UL 900 Class 2 framed filter fire rating.

“GR-78-CORE, Generic Physical Design Requirements for Telecommunications Products and Equipment, Issue 3, December 1991.” This guideline specifies minimum 80% dust arrestance and UL 900 Class 2 framed filter fire rating.

Framed Filters +/-.03″ length & width, +/-.03″ thickness

Quadrafoam filter media is available in all frame models in various pore sizes (25 through 45 PPI Green and 10 through 80 PPI Gray and Black).

Quadrafoam II filter media is available in all frame models in various pore sizes (10 through 45 PPI Gray and Black).

Unifoam filter media is available in all frame models in various pore sizes (25 through 45 PPI Green and 10 through 80 PPI Black).

Quadrafoam and Quadrafoam II are open cell polyurethane foams specially coated to provide a UL 94 HF-1 flame safety rating, fungus resistance, and UV radiation resistance. They feature deep loading, high dust holding capacity and low air flow resistance for use in extremely wide climatic conditions.

Unifoam is an open cell polyurethane foams specially formulated to provide a UL 900 HF-1 flame resistant additive.  The random arrangement of strands and pores make this a filter media with tremendous dust-holding capacity and arrestance.

Model Media
Thickness
Frame
Thickness
3D CAD Model
FS-XX25 .25 .25 – .375 Create &
Download
FS-XX50 .50 .375 – .875
XX – Denotes Quadrafoam PPI

 

UL 900, UL 94 HF-1 MIL-STD
NEBS GR-63-CORE ATCA
NEBS GR-78-CORE MicroTCA
NEMA CompactPCI
IP FMVSS 302

Windowpane air filters maintain necessary rigidity, keeping their shape and staying in place with an innovative “frame-n-pane” design that integrates the frame and a series of crossing, reinforcing intermediates that provide media support. Pane sizes and frame thickness are customized to the equipment’s needs.

 

Model Quadrafoam Media Thickness Frame Thickness
FS-XX25 .25 .25 – .375
FS-XX50 .50 .375 – .875

Filtration Performance Data:

  • Quadrafoam
  • Quadrafoam II
  • Polyester
  • Uni-Foam
  • 0.25 in (6,35 mm)
  • 0.50 in (12,70 mm)
  • 0.125 in (3,18 mm)
Quadrafoam Models: FS-XX25
Size Initial Resistance*
(Pascals)
Average Synthetic
Dust Weight Arrestance(%)
10 PPI 0.01 (2,49) 38
25 PPI 0.05 (12,44) 66
45 PPI 0.07 (17,41) 80
60 PPI 0.12 (29,84) 82

*in inches water gauge

Tests performed according to ASHRAE Standard 52.1 -1992 at 300 feet per minute (1,53 m/s) face velocity.

Quadrafoam Models: FS-XX50
Size Initial Resistance*
(Pascals)
Average Synthetic
Dust Weight Arrestance(%)
10 PPI 0.03 (7,46) 63
25 PPI 0.08 (19,89) 83
45 PPI 0.16 (39,78) 91
60 PPI 0.25 (62,16) 91

*in inches water gauge

Tests performed according to ASHRAE Standard 52.1 -1992 at 300 feet per minute (1,53 m/s) face velocity.

Quadrafoam Models: FS-XX12
Size Initial Resistance*
(Pascals)
Average Synthetic
Dust Weight Arrestance(%)
45 PPI 0.04 (9,95) 65
80 PPI 0.12 (29,84) 81

*in inches water gauge

Tests performed according to ASHRAE Standard 52.1 -1992 at 300 feet per minute (1,53 m/s) face velocity.

  • 0.25 in (6,35 mm)
  • 0.50 in (12,70 mm)
  • 0.125 in (3,18 mm)
Quadrafoam II Models: FS-XX25
Size Initial Resistance*
(Pascals)
Average Synthetic
Dust Weight Arrestance(%)
10 PPI 0.01 (2,49) 38
30 PPI 0.05 (12,44) 66
45 PPI 0.07 (17,41) 80

*in inches water gauge

Tests performed according to ASHRAE Standard 52.1 -1992 at 300 feet per minute (1,53 m/s) face velocity.

Quadrafoam II Models: FS-XX50
Size Initial Resistance*
(Pascals)
Average Synthetic
Dust Weight Arrestance(%)
10 PPI 0.03 (7,46) 63
30 PPI 0.09 (22,38) 83
45 PPI 0.16 (39,78) 91

*in inches water gauge

Tests performed according to ASHRAE Standard 52.1 -1992 at 300 feet per minute (1,53 m/s) face velocity.

Quadrafoam II Models: FS-XX12
Size Initial Resistance*
(Pascals)
Average Synthetic
Dust Weight Arrestance(%)
45 PPI 0.04 (9,95) 65
80 PPI 0.12 (29,84) 81

*in inches water gauge

Tests performed according to ASHRAE Standard 52.1 -1992 at 300 feet per minute (1,53 m/s) face velocity.

  • 0.25 in (6,35 mm)
  • 0.50 in (12,70 mm)
  • 1.00 in (25,40 mm)
Polyester Models: FS-XX25
Size Initial Resistance*
(Pascals)
Average Synthetic
Dust Weight Arrestance(%)
UFM-25 0.07 (17,41) 74

*in inches water gauge

Tests performed according to ASHRAE Standard 52.1 -1992 at 300 feet per minute (1,53 m/s) face velocity.

Polyester Models: FS-XX50
Size Initial Resistance*
(Pascals)
Average Synthetic
Dust Weight Arrestance(%)
UFM-50 0.10 (24,86) 60
UFM 0.14 (34,81) 83

*in inches water gauge

Tests performed according to ASHRAE Standard 52.1 -1992 at 300 feet per minute (1,53 m/s) face velocity.

Polyester Models: FS-XX12
Size Initial Resistance*
(Pascals)
Average Synthetic
Dust Weight Arrestance(%)
UFM-100 0.14 (34,81) 89
UFM 0.14 (34,81) 83

*in inches water gauge

Tests performed according to ASHRAE Standard 52.1 -1992 at 300 feet per minute (1,53 m/s) face velocity.

  • 0.25 in (6,35 mm)
  • 0.50 in (12,70 mm)
  • 0.125 in (3,18 mm)
Unifoam Models: FS-XX25
Size Initial Resistance*
(Pascals)
Average Synthetic
Dust Weight Arrestance(%)
10 PPI 0.01 (2,49) 38
25 PPI 0.03 (7,46) 63
45 PPI 0.07 (17,41) 80
60 PPI 0.12 (29,84) 82

*in inches water gauge

Tests performed according to ASHRAE Standard 52.1 -1992 at 300 feet per minute (1,53 m/s) face velocity.

Unifoam Models: FS-XX50
Size Initial Resistance*
(Pascals)
Average Synthetic
Dust Weight Arrestance(%)
10 PPI 0.03 (7,46) 63
25 PPI 0.08 (19,89) 83
45 PPI 0.16 (39,78) 91
60 PPI 0.25 (62,16) 91

*in inches water gauge

Tests performed according to ASHRAE Standard 52.1 -1992 at 300 feet per minute (1,53 m/s) face velocity.

Unifoam Models: FS-XX12
Size Initial Resistance*
(Pascals)
Average Synthetic
Dust Weight Arrestance(%)
45 PPI 0.04 (9,95) 65
80 PPI 0.12 (29,84) 81

*in inches water gauge

Tests performed according to ASHRAE Standard 52.1 -1992 at 300 feet per minute (1,53 m/s) face velocity.

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