CFM

Terminal Diffuser

CFM

CFM

Key Features


CFM Terminal Diffusers feature:

  • Low pressure drop
  • Uniform airflow @ 100 FPM +/- 20%
  • 2″ high collar for a secure connection
  • Lightweight for easy installation


  • Anodized extruded aluminum frames.
  • Potting material completely encapsulates pleats on all four sides.
  • Hood is galvanized steel.
  • Available with 10″ or 12″ duct collar.

  • Damper is adjustable from roomside.
  • A white epoxy powder coated steel grille protects filter media from damage.
  • Centerboard with access port for disc adjustment.
  • Seismic holes or tabs provided for compliance with UBC requirements and standards.
  • All Materials used shall be fire retardant and self extinguishing in accordance with Underwriter Laboratories UL 586 and UL900 Classifications.

Note:

See GS Series for Gel Seal Style HEPA or ULPA filters that are replaceable from roomside. See GS LI Series for units that feature a 4-Lamp Flow-Thru Troffer as well as Gel Seal Style HEPA or ULPA filters that are roomside replaceable.


CFM Terminal Diffusers provide cost effective HEPA or ULPA filtered air for cleanrooms and other devices.

Worldwide applications include but are not limited to aerospace, automotive, electronics, plastics, pharmaceuticals and semiconductor manufacturing.

Available in 99.99% and 99.9995% efficiencies, each filter is tested to accepted procedures as described by the Institute of Environment Sciences (IEST) and/or ISO standards.

Damper Assembly Adjustment

With the 1/4” Flat head screw driver, remove the well nut from the centerboard, located in the center of the filter.

Using the same 1/4” Flat head screw driver, insert the screw driver blade through the opening in the centerboard to reach the adjustment screw, permanently attached to the damper plate. Turning the screw driver in a clockwise direction to close the damper and counter clockwise to open the damper.

After the damper adjustment has been made, remove the screwdriver from the opening and replace the well nut.


Technical Drawings

Technical Drawings

UL 900 2 x 2

UL 900 2 x 4

Damper Assembly Adjustment


Ordering Information (HEPA)

Mfg. Code

Class

Nominal Size

Actual Size (In)

Inlet Collar

Media Pack

Efficiency

Pres. Drop @ 100 FPM

Ship Weight

11145*

UL 900

2 x 2

23.62 x 23.62 x 5.31

10

2.0″

99.99% @ 0.3

0.54”wg

25 lbs.

11146*

UL 900

2 x 2

23.62 x 23.62 x 5.31

12

2.0″

99.99% @ 0.3

0.54”wg

25 lbs.

11147*

UL 900

2 x 4

23.62 x 47.62 x 5.31

10

2.0″

99.99% @ 0.3

0.54”wg

32 lbs.

11148*

UL 900

2 x 4

23.62 x 47.62 x 5.31

12

2.0″

99.99% @ 0.3

0.54”wg

32 lbs.

 

*Stock items


Ordering Information (ULPA)

Mfg. Code

Class

Nominal Size

Actual Size (In)

Inlet Collar

Media Pack

Efficiency

Pres. Drop @ 100 FPM

Ship Weight

Mfg. Code (HEPA)

11145*

UL 900

2 x 2

23.62 x 23.62 x 5.31

10

2.5″

99.9995% @ 0.12

0.70”wg

25 lbs.

11146*

UL 900

2 x 2

23.62 x 23.62 x 5.31

12

2.5″

99.9995% @ 0.12

0.70”wg

25 lbs.

11147*

UL 900

2 x 4

23.62 x 47.62 x 5.31

10

2.5″

99.9995% @ 0.12

0.70”wg

32 lbs.

11148*

UL 900

2 x 4

23.62 x 47.62 x 5.31

12

2.5″

99.9995% @ 0.12

0.70”wg

32 lbs.


Mfg. code

Model or Description

19004

2 x 2 Insulation Blanket, 1.5” Foil

19005

2 x 4 Insulation Blanket, 1.5” Foil



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Clean Rooms International, Inc

4939 Starr St SE
Grand Rapids, MI 49546

Terms and conditions

Contact us

Toll-free: 877–380–1860

Phone: 616–452–8700

Fax: 616–452–2372

Email: sales@cleanroomsint.com

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