Air Balance Update!

Weve updated our website with some new features to improve your experience.

Take a look at our latest features on the Whats New summary page. This page is always avaliable from the About menu in the main nav.

Home
Products
Literature
Sales Locator
Contact
About
Tools

Products

Home
Products

Choose a category to filter by

Product Filters

Product Type

Filters Product Type

Construction

Filters Construction

Certification

Filters Certification

Performance

Filters Performance

Product Type Filters

Quick Product Types

Non-UL Dampers
Severe Weather Louvers
Louvers
Fire-Smoke Dampers
Smoke Dampers
Life Safety (UL Rated)
Control Dampers

Detailed Product Types

All Product Types

Non-UL Dampers 63

Backdraft Dampers 13

Balancing Dampers 7

Control Dampers 31

Industrial Dampers 13

Multi Zone Dampers 3

Round Dampers 16

Louvers 120

Severe Weather Louvers 25

Acoustical Louvers 7

Adjustable / Combination Louvers 27

Brick Vents 2

Stationary Louvers 54

Life Safety (UL Rated) 97

Dynamic Fire Dampers 22

Fire-Smoke Dampers 39

Smoke Dampers 18

Static Fire Dampers 13

Doors 38

Access Doors 38

Rooftop 17

Penthouses 8

Sunshades / Vision Screens 9

Construction Filters

General Construction

Aluminum

Extruded Aluminum 145

Extruded Aluminum 6063 Alloy 128

Rolled Aluminum 1

Structural Aluminum 1

Steel

304 Stainless Steel 69

316 Stainless Steel 46

Fabricated Steel 3

Galvaneal (When Finish / Field Painting Is Required) 21

Galvanized Steel 430

Hot Rolled Steel 3

Structural Steel 1

General Construction Properties

Insulation

Louver/Damper Construction

Blade Construction Properties

Blade Type

Drainable Blade

Blade Movement

Blade Action

Blade Depth

in.

in.

4 in. 8 in.

Blade Angle

deg.

deg.

0 deg. 45 deg.

Single Panel Size

Min Size Width

in.

3.75 in. 3.75 in.

Max Single Panel Width

in.

14 in. 60 in.

Min Size Height

in.

3 in. 44 in.

Max Single Panel Height

in.

10 in. 96 in.

Min Size Diameter

in.

4 in. 11.75 in.

Max Single Panel Diameter

in.

11 in. 34 in.

Mount Orientation

Horizontal

Vertical

Horizontal or Vertical

Frame Construction Properties

Frame Depth:

in.

in.

0.465 in. 18 in.

Frame Shape

Frame Style

Frame Type

UL / Life Safety Construction

Actuator Closure Type

Certifications Filters

Certifications and Ratings

Life Safety Standards

Underwriters Laboratories, Inc.: 555 63
National Fire Protection Association: 80 & 90A 80
Underwriters Laboratories, Inc.: 555S 57
Underwriters Laboratories, Inc.: 555C 5

UL Temperature

UL Temperature Rating: 250° 50
UL Temperature Rating: 350° 38
UL Temperature Rating: 250°/350° 45

For Airflow

AMCA Rating (Air Leakage) 2
AMCA Rating (Air Performance) 81

UL Fire Rating

UL Fire Resistance Rating: 1.5 Hours 48
UL Fire Resistance Rating: 3 Hours 26

UL Leakage Rating

UL Leakage Rating: Class I 26
UL Leakage Rating: Class II 31

For Rainfall Protection

AMCA Rating (Water Penetration) 33
AMCA Rating (Wind Driven Rain) 17

For Hurricane Protection

Miami-Dade Approved 4
AMCA Rating 540 (Missile Impact) 5
AMCA Rating 550 (High Velocity WDR) 6

Other Certifications

ICC's International Building Code 78

Performance Filters

Airflow Performance

All Airflow Properties

Max Velocity:

fpm
to

fpm

1000 fpm 10000 fpm
Pressure Drop:

in. w.g.
to

in. w.g.

0.012 in w.g. @ 1000 fpm 0.7 in w.g. @ 1000 fpm
Water Penetration (fpm):

fpm
to

fpm

459 fpm 1250 fpm
Water Penetration (cfm):

cfm
to

cfm

3383 cfm 11550 cfm
Free Area:

%
to

%

24.88% 72.6%
Max Static Pressure

in. w.g.
1 in. w.g. 20 in. w.g.

Group Products

Product Type

Construction

Certification

Performance

Page 4 of 10 (318 Results, 239 Groups)

12 Per Page 24 Per Page 60 Per Page 120 Per Page

A465

4" Deep 45° Extruded Aluminum Baffle Blade Louver

A465

Free Area %: 56%
Pressure Drop: .14 in. w.g. @ 950 fpm
Water Penetration (fpm): 932 (fpm)

1 in Group Compare

A424

4" Deep 45° Dual Drain Blade Extruded Aluminum Louver

A424

Free Area %: 52%
Pressure Drop: .17 in. w.g. @ 1100 fpm
Water Penetration (fpm): 942 (fpm)

1 in Group Compare

A440

4" Deep 30° Baffle Blade Louver

Free Area %: 47.9%
Pressure Drop: .08 in. w.g. @ 780 fpm
Water Penetration (fpm): 763 (fpm)

Some Items Currently Unavaliable

1 in Group Compare

A635

6" Deep Extruded Aluminum 35°/42° Drainable Blade Louver

A635

Free Area %: 56%
Pressure Drop: .12 in. w.g. @ 1000 fpm
Water Penetration (fpm): 1250 (fpm)

1 in Group Compare

A634

6" Deep 42° Dual Drainable Blade Louver

A634

Free Area %: 56%
Pressure Drop: .12 in. w.g. @ 1000 fpm
Water Penetration (fpm): 993 (fpm)

1 in Group Compare

AATL30

0.465" Deep 30° Non-Drainable Blade Thin Line Extruded Aluminum Louver

AATL30

Free Area %: 72.6%

Some Items Currently Unavaliable

1 in Group Compare

AATL42

0.465" Deep 42° Non-Drainable Blade Thin Line Extruded Aluminum Louver

AATL42

Free Area %: 61.11%

1 in Group Compare

A485

4" Deep Horizontal Extruded Aluminum Sightproof Chevron Blade Louver

A485

Free Area %: 38.9%
Pressure Drop: .5 in. w.g. @ 1000 fpm
Water Penetration (fpm): 789 (fpm)

1 in Group Compare

A486

4" Deep Vertical Extruded Aluminum Sightproof Chevron Blade Louver

A486

Free Area %: 38.9%
Pressure Drop: .5 in. w.g. @ 1000 fpm
Water Penetration (fpm): 848 (fpm)

1 in Group Compare

A481

4" Deep Inverted Y Blade Extruded Aluminum Horizontal Sightproof Louver

A481

Free Area %: 37.4%
Pressure Drop: .36 in. w.g. @ 1000 fpm
Water Penetration (fpm): 920 (fpm)

1 in Group Compare

A482

4" Deep Inverted Y Blade Extruded Aluminum Vertical Sightproof Louver

A482

Free Area %: 37.4%
Pressure Drop: .35 in. w.g. @ 1000 fpm
Water Penetration (fpm): 984 (fpm)

1 in Group Compare

A281

2" Deep, Extruded Aluminum Horizontal Sightproof Louver

A281

Free Area %: 27.7%
Pressure Drop: .4 in. w.g. @ 1000 fpm
Water Penetration (fpm): 924 (fpm)

1 in Group Compare

A-DI-50

4" Deep Combined Stationary Intake & Discharge Louver

ADI50

1 in Group Compare

A650

6" Deep Continuous Line Extruded Aluminum Drainable Blade Louver with Recessed Mullions

Free Area %: 53%
Pressure Drop: .1 in. w.g. @ 800 fpm
Water Penetration (fpm): 1100 (fpm)

Some Items Currently Unavaliable

1 in Group Compare

A520

5" Deep, Fixed Chevron Drainable Blade, Hurricane Louver (Miami-Dade Certified)

A520

Free Area %: 44.3%
Pressure Drop: .31 in. w.g. @ 1250 fpm
Water Penetration (fpm): 1250 (fpm)

1 in Group Compare

A320

6” Fixed Deep Drainable Blade Hurricane Louver (Miami-Dade Certified)

A320

Free Area %: 58%
Pressure Drop: .14 in. w.g. @ 1000 fpm
Water Penetration (fpm): 1250 (fpm)

1 in Group Compare

A320C

6" Deep Adjustable Blade Hurricane Louver (Miami-Dade Certified)

A320C

Free Area %: 51%
Pressure Drop: .1 in. w.g. @ 1000 fpm
Water Penetration (fpm): 1250 (fpm)

Some Items Currently Unavaliable

1 in Group Compare

A680

6" Deep Vertical Fixed Chevron Blade Hurricane Louver

A680

Free Area %: 49.1%
Pressure Drop: .164 in. w.g. @ 1250 fpm

1 in Group Compare

A820

8" Deep Fixed Vertical Chevron Blade Hurricane Louver (Miami-Dade Certified)

Free Area %: 29.31%
Pressure Drop: .3 in. w.g. @ 1250 fpm

Some Items Currently Unavaliable

1 in Group Compare

A724

7" Deep Horizontal Chevron Drainable Blade Wind Driven Rain and Impact Resistant Louver

A724

Free Area %: 42.4%
Pressure Drop: .022 in. w.g. @ 398 fpm
Water Penetration (fpm): 1250 (fpm)

1 in Group Compare

A631

6" Deep Extruded Aluminum Combo Stationary Severe Weather Louver

A631

Free Area %: 43.4%
Pressure Drop: .17 in. w.g. @ 1000 fpm

1 in Group Compare

A200

2" Deep Horizontal Drainable Chevron Blades Wind Driven Rain

A258

Free Area %: 43.3%
Pressure Drop: .38 in. w.g. @ 1000 fpm

1 in Group Compare

A328

3" Deep Extruded Aluminum Vertical Chevron Blade Rain Resistant Storm Louver

A328

Free Area %: 44%
Pressure Drop: .083 in. w.g. @ 1000 fpm

1 in Group Compare

A490

4" Deep Horizontal Chevron Drainable Blade Wind Driven Rain Resistant Louver

A490

Free Area %: 47%
Pressure Drop: .26 in. w.g. @ 1000 fpm

1 in Group Compare

Page 4 of 10 (318 Results, 239 Groups)

1
2
3
4
5
6
7
8
…

…
2
3
4
5
…

Are you looking for a

Sales Representative?

Find your local sales office right now!

Air Balance builds dependable HVAC solutions, including AMCA-rated louvers, UL-classified dampers, and more. Take a balanced approach to HVAC and Life Safety.

Contact Us

450 Riverside Drive
Wyalusing, PA 18853
p : (570) 746-1888
f : (570) 746-9286
Contact

Useful links

Products
Rep Locator
Contact
Sales Assistant

Subscribe to our newsletter!

Never Miss Anything From Us By Signing Up To Our Newsletter.

Mestek, Inc. © Copyright 2025. All Rights Reserved. | Purchase Terms | Terms & Conditions | Terms of Use

Send Us Feedback