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Primary.Mudium Filter

Pre Filter

Primary.Mudium Filter

W-PRE radial wedge pleat is with the greatest media area exposed to the air flow which can contribute filter’s dust collection capacity. W-Pre Disposable Pleated Air Filters are available in a wide range of sizes; and with slight or without any system modification, is able to fit most commercial and industrial installations. Only need to use gaskets and fasteners to adapt W-PRE filter to existing filter bands.

Product Information

Material and service conditions

Frame Paper Frame, Galvanized Steel
Media Special Blended of Nonwoven Cotton and Synthetic Fibers Fiberglass
Support Gird Anticorrosion Metal Support Grid w/Radial Wedge Pleats
Temperature 40°C 60°C
Humidity %
RH
98% (No condensation state) 100% (No condensation state)
Test Method Dot Spot Efficiency
(in NBS)
 Arrestance
(in AFI)
 Arrestance
(in AFI)
30~35% 90~94% 65~94%
ASHRAE   Standard 52.1-1992 (Equal to EN 779)

Special Blended of Nonwoven Cotton and Synthetic Fibers   (H x W x D mm)

 

Efficiency(%)  (W x H x D)
inch
Nominal Size
 (W x H x D)
mm
Actual Size
 (CMH)
Rated
Capacity
Pressure Drop
(pa)
Dot Spot
Effidency
(in NBS)
Arrestance
(in AFI)
INITIAL P.D FINAL P.D
30~35   90~94  12x24x1 289x595x22 1700 87 130
 16x25x1 390x619x22 2380
20x20x1 492x492x22 2380
20x24x1 492x595x22 2800
24x24x1  595x595x22 3400
12x24x2 289x595x45 1700 65 130
20x20x2  492x492x45 2380
20x24x2  492x595x45 2800
24x24x2 595x595x45 3400
 12x24x4  289x595x95 1700 50 130
 24x24x4 595x595x95 3400

 

Fiberglass  ( H x W x D mm)

Efficiency(%)  (W x H x D)
inch
Nominal Size
 (W x H x D)
mm
Actual Size
 (CMH)
Rated
Capacity
Pressure Drop
(pa)
Arrestance
(in AFI)
INITIAL P.D FINAL P.D
  > 65  12x24x1 289x595x22 1020 36 125
 16x20x1 390x492x22 1140
16x25x1 390x619x22 1420
20x20x1 492x492x22 1420
20x25x1 492x619x22 1770
24x24x1 595x595x22 2050
> 65 12x24x2 289x595x45 1020 63 125
16x20x2 390x492x45 1140
16x25x2 390x619x45 1420
20x20x2 492x492x45 1420
20x25x2 492x619x45 1770
24x24x2 595x595x45 2050

※ Special dimension can be customized.

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