Flanders PrecisionAire 425T Specifications

110

For use as a pre-filter

The 425T panels are manufactured from
two distinct 100% resin bonded polyester
media layers with a wire support frame
sealed between the two layers. This
provides a self-supportive, self-sealing
panel filter which significantly decreases
air bypass when installed in the entire fil­ter track.

The first layer is a 1.5” polyester media
which uses 45 denier polyester fibers
with an open weave on the entry side, 15
denier fibers with slightly tighter weave in
the middle, and 6 denier fibers with an
even tighter weave on the downstream
side. This triple denier entry media com­bination provides three stages of filtration against particulate. The downstream side of
the media is treated with a special non-migrating tackifier which significantly increases
the filter’s efficiency. The second media layer is made from 6 denier polyester fibers
heavily needled to a dense 1/4” depth. This adds a final layer of defense against
small particulate.

The progressive density media structure is what makes the 325T panel so effective.
The particles are “funneled” out of the airstream. Large particles are captured on the
outer layer and finer particles are captured in the second and third layers.

425T panel filters are available as single panels with one single wire sup­port covering the entire filter area, or link panels utilizing multiple wire sup­port pieces inside a single piece of media. Both the single panels and the
link panels are available in custom sizes.

425T Panel

4-Ply Polyester Panel Filter

Fractional Efficiency vs. Particle Diameter

Fractional Efficiency %

100

80

60

40

20

0

Particle Diameter (µm)

0110

Test Type Fractional Efficiency
Test Number T033103B
Flow Rate/Velocity 1968 cfm
Test Aerosol: KCI Neutralized
DP (”H20) 0.489
Size 24x24 panel

Initial

Size Fractional

Range (mm) Efficiency (%)

0.3-0.4 2.3

0.4-0.55 9.6

0.55-0.7 19.7

0.7-1.0 34.0

1.0-1.3 46.9

1.3-1.6 53.4

1.6-2.2 60.3

2.2-3.0 68.5

3.0-4.0 77.0

4.0-5.5 82.3

5.5-7.0 86.0

7.0-10.0 90.1

111

425T 4-Ply Standard Single Panels

PA0843 425RT-1224 12X24 RING PANEL 425T SINGLE 24
PA0844 425RT-1520 15X20 RING PANEL 425T SINGLE 24
PA0845 425RT-1524 15X24 RING PANEL 425T SINGLE 24
PA0846 425RT-1616 16X16 RING PANEL 425T SINGLE 24

PA0847 425RT-1618 16X18 RING PANEL 425T SINGLE 24
PA0848 425RT-1620 16X20 RING PANEL 425T SINGLE 24
PA0849 425RT-1624 16X24 RING PANEL 425T SINGLE 24
PA0850 425RT-1625 16X25 RING PANEL 425T SINGLE 24

PA0851 425RT-1824 18X24 RING PANEL 425T SINGLE 24
PA0852 425RT-2020 20X20 RING PANEL 425T SINGLE 24
PA0853 425RT-2020-20 20X20 RING PANEL 425T SINGLE 20
PA0854 425RT-2024 20X24 RING PANEL 425T SINGLE 24

PA0855 425RT-2024-20 20X24 RING PANEL 425T SINGLE 20
PA0857 425RT-2025-16 20X25 RING PANEL 425T SINGLE 16
PA0858 425RT-2025-18 20X25 RING PANEL 425T SINGLE 18
PA0856 425RT-2025 20X25 RING PANEL 425T SINGLE 24

PA0859 425RT-2424 24X24 RING PANEL 425T SINGLE 24
PA0860 425RT-2424-20 24X24 RING PANEL 425T SINGLE 20
PA0861 425RT-2525 25X25 RING PANEL 425T SINGLE 24

425T 4-Ply Continous Single Panels

PA0862 425RT-1224C 12X24 425T CONTINUOUS LINK 24
PA0863 425RT-1520C 15X20 425T CONTINUOUS LINK 24
PA0864 425RT-1524C 15X24 425T CONTINUOUS LINK 24
PA0865 425RT-1616C 16X16 425T CONTINUOUS LINK 24

PA0866 425RT-1618C 16X18 425T CONTINUOUS LINK 24
PA0867 425RT-1620C 16X20 425T CONTINUOUS LINK 24
PA0868 425RT-1624C 16X24 425T CONTINUOUS LINK 24
PA0869 425RT-1625C 16X25 425T CONTINUOUS LINK 24

PA0870 425RT-1816C 18x16 425T CONTINUOUS LINK 24
PA0871 425RT-1824C 18X24 425T CONTINUOUS LINK 24
PA0872 425RT-2015C 20X15 425T CONTINUOUS LINK 24

425T Panel

4-Ply Polyester Panel Filter

Item No. Model Description Qty/Case

112

PA0873 425RT-2016C 20X16 425T CONTINUOUS LINK 24
PA0874 425RT-2020C 20X20 425T CONTINUOUS LINK 24
PA0875 425RT-2024C 20X24 425T CONTINUOUS LINK 24
PA0876 425RT-2025C 20X25 425T CONTINUOUS LINK 24
PA0877 425RT-2412C 24X12 425T CONTINUOUS LINK 24
PA0878 425RT-2415C 24X15 425T CONTINUOUS LINK 24

PA0879 425RT-2416C 24X16 425T CONTINUOUS LINK 24
PA0880 425RT-2418C 24X18 425T CONTINUOUS LINK 24
PA0881 425RT-2420C 24X20 425T CONTINUOUS LINK 24

PA0882 425RT-2424C 24X24 425T CONTINUOUS LINK 24
PA0883 425RT-2516C 25X16 425T CONTINUOUS LINK 24
PA0884 425RT-2520C 25X20 425T CONTINUOUS LINK 24
PA0885 425RT-2525C 25X25 425T CONTINUOUS LINK 24

425T Standard Link Panels

PA0702 425LT-1248-24 12X48 RING PANEL 425T LINK 12
PA0703 425LT-1272-24 12X72 RING PANEL 425T LINK 8
PA0704 425LT-1296-24 12X96 RING PANEL 425T LINK 6
PA0705 425LT-12120-24 12X120 RING PANEL 425T LINK 4

PA0706 425LT-12144-24 12X144 RING PANEL 425T LINK 4
PA0707 425LT-1540-20 15X40 RING PANEL 425T LINK 12
PA0708 425LT-1548-24 15X48 RING PANEL 425T LINK 12
PA0709 425LT-1560-20 15X60 RING PANEL 425T LINK 8

PA0710 425LT-1572-24 15X72 RING PANEL 425T LINK 8
PA0711 425LT-1580-20 15X80 RING PANEL 425T LINK 6
PA0712 425LT-1596-24 15X96 RING PANEL 425T LINK 6
PA0713 425LT-15100-20 15X100 RING PANEL 425T LINK 4

PA0714 425LT-15120-20 15X120 RING PANEL 425T LINK 4
PA0715 425LT-15120-24 15X120 RING PANEL 425T LINK 4
PA0716 425LT-15144-24 15X144 RING PANEL 425T LINK 4
PA0717 425LT-1632-16 16X32 RING PANEL 425T LINK 12

PA0718 425LT-1636-18 16X36 RING PANEL 425T LINK 12
PA0719 425LT-1640-20 16X40 RING PANEL 425T LINK 12
PA0720 425LT-1648-24 16X48 RING PANEL 425T LINK 12
PA0721 425LT-1650-25 16X50 RING PANEL 425T LINK 12

PA0722 425LT-1654-18 16X54 RING PANEL 425T LINK 8

Item No. Model Description Qty/Case

425T Panel

4-Ply Polyester Panel Filter