Life Safety (UL Rated) - Air Balance

Sub Types

Dynamic Fire Dampers

Will the fans keep running? Dynamic fire dampers close against airflow. Available with a 1.5 or 3-hour fire rating.

Fire-Smoke Dampers

These dampers are tested for fire and smoke safety requirements. Models rated for 1.5 or 3-hours fire resistance and for Class 1 or Class 2 Smoke Leakage.

Smoke Dampers

These dampers are built for smoke control and containment. Models available with Class 1 or Class 2 smoke leakage.

Static Fire Dampers

Fire dampers for systems with automatic fan shutoff. Rated for 1.5 or 3 hours of fire resistance.

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Life Safety (UL Rated)

UL-rated dampers for meeting fire and smoke safety requirements. This category includes fire dampers, smoke dampers, fire-smoke dampers, and ceiling radiation dampers.

Products

D19

1.5 Hour Rated Curtain Blade Dynamic Fire Damper

Featured

D19AH, D19AV

Maximum Velocity (FPM): 4000 fpm

Material Options: Galvanized Steel
Blade Type: Curtain Blade
Frame Shape: Rectangular
Frame Style: A-Style
Maximum Velocity (FPM): 4000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.

D19B

1.5 Hour Rated Curtain Blade Dynamic Fire Damper

Featured

D19BH, D19BV

Maximum Velocity (FPM): 4000 fpm

Material Options: Galvanized Steel
Blade Type: Curtain Blade
Frame Shape: Rectangular
Frame Style: B-Style
Maximum Velocity (FPM): 4000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.

D19C

1.5 Hour Rated Curtain Blade Dynamic Fire Damper

Featured

D19CH, D19CV

Maximum Velocity (FPM): 4000 fpm

Material Options: Galvanized Steel
Blade Type: Curtain Blade
Frame Shape: Rectangular
Frame Style: C-Style
Maximum Velocity (FPM): 4000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.

D39

3 Hour Rated Curtain Blade Dynamic Fire Damper

Featured

D39AH, D39AV

Maximum Velocity (FPM): 4000 fpm

Material Options: Galvanized Steel
Blade Type: Curtain Blade
Frame Shape: Rectangular
Frame Style: A-Style
Maximum Velocity (FPM): 4000 fpm (FPM)
Fire Resistance Rating (hrs): 3 hrs.

D39B

3 Hour Rated Curtain Blade Dynamic Fire Damper

Featured

D39BH, D39BV

Maximum Velocity (FPM): 4000 fpm

Material Options: Galvanized Steel
Blade Type: Curtain Blade
Frame Shape: Rectangular
Frame Style: B-Style
Maximum Velocity (FPM): 4000 fpm (FPM)
Fire Resistance Rating (hrs): 3 hrs.

D39C

3 Hour Rated Curtain Blade Dynamic Fire Damper

Featured

D39CH, D39CV

Maximum Velocity (FPM): 4000 fpm

Material Options: Galvanized Steel
Blade Type: Curtain Blade
Frame Shape: Rectangular
Frame Style: C-Style
Maximum Velocity (FPM): 4000 fpm (FPM)
Fire Resistance Rating (hrs): 3 hrs.

119

1.5 Hour Rated Curtain Blade Static Fire Damper

119AH, 119AV

Material Options: Galvanized Steel
Blade Type: Curtain Blade
Frame Shape: Rectangular
Frame Style: A-Style
Fire Resistance Rating (hrs): 1.5 hrs.

119B

1.5 Hour Rated Curtain Blade Static Fire Damper (B-Transition)

119BH, 119BV

Material Options: Galvanized Steel
Blade Type: Curtain Blade
Frame Shape: Rectangular
Frame Style: B-Style
Fire Resistance Rating (hrs): 1.5 hrs.

119F

1.5 Hour Rated Curtain Blade Thin Line Static Fire Damper

119FV

Material Options: Galvanized Steel
Blade Type: Curtain Blade
Frame Style: A-Style

119X

1.5 Hour Rated Curtain Blade Static Fire Damper w/ Integrated Sleeve

119XAH, 119XAV

Material Options: Galvanized Steel
Blade Type: Curtain Blade
Frame Shape: Rectangular
Frame Style: A-Style
Fire Resistance Rating (hrs): 1.5 hrs.

119XB

1.5 Hour Rated Curtain Blade Static Fire Damper w/ Integrated Sleeve

119XBH, 119XBV

Material Options: Galvanized Steel
Blade Type: Curtain Blade
Frame Shape: Rectangular
Frame Style: B-Style
Fire Resistance Rating (hrs): 1.5 hrs.

119XC

1.5 Hour Rated Curtain Blade Static Fire Damper w/ Integrated Sleeve

119XCH, 119XCV

Material Options: Galvanized Steel
Blade Type: Curtain Blade
Frame Shape: Rectangular
Frame Style: C-Style
Fire Resistance Rating (hrs): 1.5 hrs.

289

Uninsulated Static Rectangular Ceiling Radiation Damper

289

Material Options: Galvanized Steel
Frame Shape: Rectangular
Insulation: Uninsulated

291

Insulated Static Rectangular Ceiling Radiation Damper

291

Material Options: Galvanized Steel
Frame Shape: Rectangular
Insulation: Insulated (unspecified)

293

Insulated Dual Opening Static Ceiling Radiation Damper

293

Material Options: Galvanized Steel
Frame Shape: Rectangular
Insulation: Insulated (unspecified)

295

Uninsulated Static Round Ceiling Radiation Damper

295

Material Options: Galvanized Steel
Frame Shape: Round
Insulation: Uninsulated

297

Insulated Static Round Ceiling Radiation Damper

297

Material Options: Galvanized Steel
Frame Shape: Round
Insulation: Insulated (unspecified)

319

3 Hour Rated Curtain Blade Static Fire Damper

319AH, 319AV, 319BH, 319BV, 319CH, 319CV

Material Options: Galvanized Steel
Blade Type: Curtain Blade
Frame Shape: Rectangular
Frame Style: A-Style
Fire Resistance Rating (hrs): 3 hrs.

319B

3 Hour Rated Curtain Blade Static Fire Damper

319BH, 319BV

Material Options: Galvanized Steel
Blade Type: Curtain Blade
Frame Shape: Rectangular
Frame Style: B-Style
Fire Resistance Rating (hrs): 3 hrs.

319C

3 Hour Rated Curtain Blade Static Fire Damper

319CH, 319CV

Material Options: Galvanized Steel
Blade Type: Curtain Blade
Frame Shape: Rectangular
Frame Style: C-Style
Fire Resistance Rating (hrs): 3 hrs.

319X

3 Hour Rated Curtain Blade Static Fire Damper w/ Integrated Sleeve

319XAH, 319XAV, 319XBH, 319XBV, 319XCH, 319XCV

Material Options: Galvanized Steel
Blade Type: Curtain Blade
Frame Shape: Rectangular
Frame Style: A-Style
Fire Resistance Rating (hrs): 3 hrs.

319XB

3 Hour Rated Curtain Blade Static Fire Damper w/ Integrated Sleeve

Material Options: Galvanized Steel
Blade Type: Curtain Blade
Frame Shape: Rectangular
Frame Style: B-Style
Fire Resistance Rating (hrs): 3 hrs.

319XC

3 Hour Rated Curtain Blade Static Fire Damper w/ Integrated Sleeve

Material Options: Galvanized Steel
Blade Type: Curtain Blade
Frame Shape: Rectangular
Frame Style: C-Style
Fire Resistance Rating (hrs): 3 hrs.

D19F

1.5 Hour Rated Dynamic Curtain Blade Thin Line Fire Damper

D19FV

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Curtain Blade
Frame Shape: Rectangular
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.

D19X

1.5 Hour Rated Curtain Blade Dynamic Fire Damper w/ Integrated Sleeve

D19XAH, D19XAV

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Curtain Blade
Frame Shape: Rectangular
Frame Style: A-Style
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.

D19XB

1.5 Hour Rated Curtain Blade Dynamic Fire Damper w/ Integrated Sleeve

D19XBH, D19XBV

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Curtain Blade
Frame Shape: Rectangular
Frame Style: B-Style
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.

D19XC

1.5 Hour Rated Curtain Blade Dynamic Fire Damper w/ Integrated Sleeve

D19XCH, D19XCV

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Curtain Blade
Frame Shape: Rectangular
Frame Style: C-Style
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.

D39X

3 Hour Rated Curtain Blade Dynamic Fire Damper w/ Integrated Sleeve

D39XAH, D39XAV, D39XBH, D39XBV, D39XCH, D39XCV

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Curtain Blade
Frame Shape: Rectangular
Frame Style: A-Style
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 3 hrs.

D39XB

3 Hour Rated Curtain Blade Dynamic Fire Damper w/ Integrated Sleeve

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Curtain Blade
Frame Shape: Rectangular
Frame Style: B-Style
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 3 hrs.

D39XC

3 Hour Rated Curtain Blade Dynamic Fire Damper w/ Integrated Sleeve

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Curtain Blade
Frame Shape: Rectangular
Frame Style: C-Style
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 3 hrs.

FA1

Class I, 1.5 Hour Airfoil Blade Combination Fire-Smoke Damper

FA1H250, FA1H350, FA1V250

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Airfoil Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .05 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.
Temperature Rating (°F): 250 °F to 350 °F

FA1G

Class I, 1.5 Hour Front Access Grille Airfoil Blade Fire-Smoke Damper (1.5-inch setback)

FA1HE250, FA1HE350, FA1VG250, FA1VG350

Maximum Velocity (FPM): 4000 fpm

Material Options: Galvanized Steel
Blade Type: Airfoil Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .05 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 4000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.
Temperature Rating (°F): 250 °F to 350 °F

FA1G

Class I, 1.5 Hour Front Access Grille Airfoil Blade Fire-Smoke Damper (3.5-inch setback)

FA1HD250, FA1HD350, FA1VF250, FA1VF350

Maximum Velocity (FPM): 4000 fpm

Material Options: Galvanized Steel
Blade Type: Airfoil Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .05 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 4000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.
Temperature Rating (°F): 250 °F to 350 °F

FA2

Class II, 1.5 Hour Airfoil Blade Combination Fire-Smoke Damper

FA2H250, FA2H350, FA2V250, FA2V350

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Airfoil Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .05 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.
Temperature Rating (°F): 250 °F to 350 °F

FA2G

Class II, 1.5 Hour Front Access Grille Airfoil Blade Fire-Smoke Damper (1.5-inch setback)

FA2HE250, FA2HE350, FA2VG250, FA2VG350

Maximum Velocity (FPM): 4000 fpm

Material Options: Galvanized Steel
Blade Type: Airfoil Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .05 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 4000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.
Temperature Rating (°F): 250 °F to 350 °F

FA2G

Class II, 1.5 Hour Front Access Grille Airfoil Blade Fire-Smoke Damper (3.5-inch setback)

FA2HD250, FA2HD350, FA2VF250, FA2VF350

Maximum Velocity (FPM): 4000 fpm

Material Options: Galvanized Steel
Blade Type: Airfoil Blade
Blade Action: Parallel
Frame Shape: Rectangular
Maximum Velocity (FPM): 4000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.
Temperature Rating (°F): 250 °F to 350 °F

FA2M

Class II, 1.5 Hour Modulating Airfoil Blade Combination Fire-Smoke Damper

FA2HM250, FA2VM250

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Airfoil Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .05 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.
Temperature Rating (°F): 250 °F

FR1

Class I, 1.5 Hour Single Thickness Blade Mini Combination Fire-Smoke Damper

FR1H250, FR1H350, FR1V250, FR1V350

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Single Thickness Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .03 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.
Temperature Rating (°F): 250 °F to 350 °F

FR2

Class II, 1.5 Hour Single Thickness Blade Mini Combination Fire-Smoke Damper

FR2H250, FR2H350, FR2V250, FR2V350

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Single Thickness Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .03 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.
Temperature Rating (°F): 250 °F to 350 °F

FS1

Class I 1.5 Hour Single Thickness Blade Combination Fire-Smoke Damper

FS1H250, FS1H350, FS1V250, FS1V350

Maximum Velocity (FPM): 3000 fpm

Material Options: Galvanized Steel
Blade Type: Single Thickness Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .06 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 3000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.
Temperature Rating (°F): 250 °F to 350 °F

FS1(SS)

Class I 1.5 Hour Single Thickness Blade Stainless Steel Combination Fire-Smoke Damper

FS1H250SS, FS1V250SS

Maximum Velocity (FPM): 3000 fpm

Material Options: 304 Stainless Steel
Blade Type: Single Thickness Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .06 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 3000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.
Temperature Rating (°F): 250 °F to 350 °F

FS1G

Class I, 1.5 Hour Front Access Grille Fire-Smoke Damper (3.5-inch setback)

FS1HD250, FS1HD350, FS1VF250, FS1VF350

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Single Thickness Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .06 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.
Temperature Rating (°F): 250 °F to 350 °F

FS1G

Class I, 1.5 Hour Front Access Grille Fire-Smoke Damper (1.5-inch setback)

FS1HE250, FS1HE350, FS1VG250, FS1VG350

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Single Thickness Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .06 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.
Temperature Rating (°F): 250 °F to 350 °F

FS2

Class II 1.5 Hour Single Thickness Blade Combination Fire-Smoke Damper

FS2H250, FS2H350, FS2V250, FS2V350

Maximum Velocity (FPM): 3000 fpm

Material Options: Galvanized Steel
Blade Type: Single Thickness Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .06 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 3000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.
Temperature Rating (°F): 250 °F to 350 °F

FS2(SS)

Class II 1.5 Hour Single Thickness Blade Stainless Steel Combination Fire-Smoke Damper

FS2H250SS, FS2H350SS, FS2V250SS, FS2V350SS

Maximum Velocity (FPM): 3000 fpm

Material Options: 304 Stainless Steel, or 316 Stainless Steel
Blade Type: Single Thickness Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .06 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 3000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.
Temperature Rating (°F): 250 °F to 350 °F

FS2C

Class II 1.5 Hour Tunnel-Type Single Thickness Blade Combination Fire-Smoke Damper

FS2C250

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Single Thickness Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .06 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.
Temperature Rating (°F): 250 °F

FS2C

Class II 1.5 Hour Tunnel-Type Single Thickness Blade Fire-Smoke Damper (No Flange)

FS2C2G250

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Single Thickness Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .06 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.
Temperature Rating (°F): 250 °F

FS2C

Class II 1.5 Hour Tunnel-Type Fire-Smoke Damper (1.75" Grille Clearance)

FS2C2H250, FS2C2J250

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Single Thickness Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .06 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.
Temperature Rating (°F): 250 °F

FS2C

Class II 1.5 Hour Tunnel-Type Combination Fire-Smoke Damper (3" Grille Clearance)

FS2C2I250, FS2C2K250

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Single Thickness Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .06 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.
Temperature Rating (°F): 250 °F

FS2G

Class II, 1.5 Hour Front Access Grille Fire-Smoke Damper (3.5-inch setback)

FS2HD250, FS2HD350, FS2VF250, FS2VF350

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Single Thickness Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .06 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.
Temperature Rating (°F): 250 °F to 350 °F

FS2G

Class II, 1.5 Hour Front Access Grille Fire-Smoke Damper (1.5-inch setback)

FS2HE250, FS2HE350, FS2VG250, FS2VG350

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Single Thickness Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .06 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.
Temperature Rating (°F): 250 °F to 350 °F

FT1

Class I, 3 Hour Single Thickness Blade Combination Fire-Smoke Damper

FT1H250, FT1H350, FT1V250, FT1V350

Maximum Velocity (FPM): 3000 fpm

Material Options: Galvanized Steel
Blade Type: Single Thickness Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .06 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 3000 fpm (FPM)
Fire Resistance Rating (hrs): 3 hrs.
Temperature Rating (°F): 250 °F to 350 °F

FT2

Class II, 3 Hour Single Thickness Blade Combination Fire-Smoke Damper

FT2H250, FT2H350, FT2V250, FT2V350

Maximum Velocity (FPM): 3000 fpm

Material Options: Galvanized Steel
Blade Type: Single Thickness Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .06 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 3000 fpm (FPM)
Fire Resistance Rating (hrs): 3 hrs.
Temperature Rating (°F): 250 °F to 350 °F

MA19

1.5 Hour Rated Non-Motorized Airfoil Blade Dynamic Fire Damper

MA19H, MA19V, MA19CH, MA19CV

Maximum Velocity (FPM): 4000 fpm

Material Options: Galvanized Steel
Blade Type: Airfoil Blade
Blade Action: Parallel
Frame Shape: Rectangular
Maximum Velocity (FPM): 4000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.

MA39

3 Hour Rated Non-Motorized Airfoil Blade Dynamic Fire Damper

MA39H, MA39V, MA39CH, MA39CV

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Airfoil Blade
Blade Action: Parallel
Frame Shape: Rectangular
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 3 hrs.

MD19

1.5 Hour Rated Non-Motorized Single Thickness Blade Dynamic Fire Damper

MD19H, MD19V, MD19CH, MD19CV

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Single Thickness Blade
Frame Shape: Rectangular
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.

MD19(SS)

1.5 Hour Rated Non-Motorized Stainless Steel Dynamic Fire Damper

MD19HSS, MD19VSS, MD19CHSS, MD19CVSS

Maximum Velocity (FPM): 2000 fpm

Material Options: 304 Stainless Steel, or 316 Stainless Steel
Blade Type: Single Thickness Blade
Blade Action: Parallel
Frame Shape: Rectangular
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.

MD39

3 Hour Rated Non-Motorized Single Thickness Blade Dynamic Fire Damper

MD39H, MD39V, MD39CH, MD39CV

Maximum Velocity (FPM): 4000 fpm

Material Options: Galvanized Steel
Blade Type: Single Thickness Blade
Blade Action: Parallel
Frame Shape: Rectangular
Maximum Velocity (FPM): 4000 fpm (FPM)
Fire Resistance Rating (hrs): 3 hrs.

MS19

1½ Hr. Rated Vertical Mount Non-Motorized Fire Damper

MS19V, MS19CV

Material Options: Galvanized Steel
Blade Type: Single Thickness Blade
Frame Shape: Rectangular
Fire Resistance Rating (hrs): 1.5 hrs.

R19

1½ Hour Rated True Round "Philips" Curtain Fire Damper

R19, R19

Maximum Velocity (FPM): 3000 fpm

Material Options: Galvanized Steel
Blade Type: True Round Curtain
Frame Shape: Round
Maximum Velocity (FPM): 3000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.

RC

Class I True Round Combination Fire-Smoke Damper

RC250, RC350

Maximum Velocity (FPM): 3000 fpm

Material Options: Galvanized Steel
Blade Type: True Round Straight
Frame Shape: Round
Pressure Drop: .015 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 3000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.
Temperature Rating (°F): 250 °F to 350 °F

RF

1½ Hour Rated True Round Single Blade Fire Damper

RF

Maximum Velocity (FPM): 3000 fpm

Material Options: Galvanized Steel
Blade Type: True Round Single Thickness (UVU)
Frame Shape: Round
Maximum Velocity (FPM): 3000 fpm (FPM)
Fire Resistance Rating (hrs): 1.5 hrs.

RS

Class I True Round Smoke Damper

RS250, RS350

Maximum Velocity (FPM): 3000 fpm

Material Options: Galvanized Steel
Blade Type: True Round Straight
Frame Shape: Round
Pressure Drop: .02 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 3000 fpm (FPM)
Temperature Rating (°F): 250 °F to 350 °F

S1

Class I Single Thickness Blade Smoke Damper

S1H250, S1H350

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Single Thickness Blade
Frame Shape: Rectangular
Pressure Drop: .06 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2000 fpm (FPM)
Temperature Rating (°F): 250 °F to 350 °F

S1(SS)

Class I Single Thickness Blade Stainless Steel Smoke Damper

S1H250SS

Maximum Velocity (FPM): 3000 fpm

Material Options: 304 Stainless Steel
Blade Type: Single Thickness Blade
Pressure Drop: .05 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 3000 fpm (FPM)
Temperature Rating (°F): 250 °F

S2

Class II Single Thickness Blade Smoke Damper

S2H250, S2H350

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Single Thickness Blade
Frame Shape: Rectangular
Pressure Drop: .06 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2000 fpm (FPM)
Temperature Rating (°F): 250 °F to 350 °F

S2(SS)

Class II Single Thickness Blade Stainless Steel Smoke Damper

S2H250SS

Maximum Velocity (FPM): 3000 fpm

Material Options: 304 Stainless Steel
Blade Type: Single Thickness Blade
Frame Shape: Rectangular
Pressure Drop: .05 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 3000 fpm (FPM)
Temperature Rating (°F): 250 °F

SA1

Class I Airfoil Blade Smoke Damper

SA1H250, SA1H350

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Airfoil Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .05 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2000 fpm (FPM)
Temperature Rating (°F): 250 °F to 350 °F

SA2

Class II Airfoil Blade Smoke Damper

SA2H250, SA2H350

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Airfoil Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .05 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2000 fpm (FPM)
Temperature Rating (°F): 250 °F to 350 °F

SA2M

Class II Airfoil Blade Modulating Smoke Damper

SA2HM250

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Airfoil Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .05 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2000 fpm (FPM)
Temperature Rating (°F): 250 °F

SR1

Class I Single Thickness Blade Smoke Damper w/ Integrated Sleeve

SR1H250, SR1H350, SR1V250, SR1V350

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Single Thickness Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .03 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2000 fpm (FPM)
Temperature Rating (°F): 250 °F to 350 °F

SR2

Class II Single Thickness Blade Smoke Damper w/ Integrated Sleeve

SR2H250, SR2H350, SR2V250, SR2V350

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Single Thickness Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .03 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2000 fpm (FPM)
Temperature Rating (°F): 250 °F to 350 °F

TA1

Class I, 3 Hour Airfoil Blade Combination Fire-Smoke Damper

TA1H250, TA1H350, TA1V250, TA1V350

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Airfoil Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .05 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 3 hrs.
Temperature Rating (°F): 250 °F to 350 °F

TA2

Class II, 3 Hour Airfoil Blade Combination Fire-Smoke Damper

TA2H250, TA2H350, TA2V250, TA2V350

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Airfoil Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .05 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 3 hrs.
Temperature Rating (°F): 250 °F to 350 °F

TA2M

Class II, 3 Hour Modulating Airfoil Blade Combination Fire-Smoke Damper

TA2HM250, TA2VM250

Maximum Velocity (FPM): 2000 fpm

Material Options: Galvanized Steel
Blade Type: Airfoil Blade
Blade Action: Parallel
Frame Shape: Rectangular
Pressure Drop: .05 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2000 fpm (FPM)
Fire Resistance Rating (hrs): 3 hrs.
Temperature Rating (°F): 250 °F