Life Safety (UL Rated) - LnD

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

17D

1.5 Hour Rated Curtain Blade Dynamic Fire Damper

Featured

17DAH, 17DAV

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.

17DB

1.5 Hour Rated Curtain Blade Dynamic Fire Damper

Featured

17DBH, 17DBV

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.

17DC

1.5 Hour Rated Curtain Blade Dynamic Fire Damper

Featured

17DCH, 17DCV

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.

38D

3 Hour Rated Curtain Blade Dynamic Fire Damper

Featured

38DAH, 38DAV

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.

38DB

3 Hour Rated Curtain Blade Dynamic Fire Damper

Featured

38DBH, 38DBV

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.

38DC

3 Hour Rated Curtain Blade Dynamic Fire Damper

Featured

38DCH, 38DCV

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.

17DF

1.5 Hour Rated Dynamic Curtain Blade Thin Line Fire Damper

17DFV

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.

17DX

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

17DXAH, 17DXAV

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.

17DXB

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

17DXBH, 17DXBV

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.

17DXC

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

17DXCH, 17DXCV

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.

17MA

1.5 Hour Rated Non-Motorized Airfoil Blade Dynamic Fire Damper

17MAH, 17MAV

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.

17MD

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

17MDH, 17MDV

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.

17MD(SS)

1.5 Hour Rated Non-Motorized Stainless Steel Dynamic Fire Damper

17MDHSS, 17MDVSS

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.

17MS

1½ Hr. Rated Vertical Mount Non-Motorized Fire Damper

17MSV

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

17S

1.5 Hour Rated Curtain Blade Static Fire Damper

17SAH, 17SAV

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

17SB

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

17SBH, 17SBV

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

17SF

1.5 Hour Rated Curtain Blade Thin Line Static Fire Damper

17SFV

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

17SX

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

17SXAH, 17SXAV

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

17SXB

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

17SXBH, 17SXBV

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

17SXC

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

17SXCH, 17SXCV

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

38DX

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

38DXAH, 38DXAV

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.

38DXB

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

38DXBH, 38DXBV

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.

38DXC

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

38DXCH, 38DXCV

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.

38MA

3 Hour Rated Non-Motorized Airfoil Blade Dynamic Fire Damper

38MAH, 38MAV

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.

38MD

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

38MDH, 38MDV

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.

38S

3 Hour Rated Curtain Blade Static Fire Damper

38SAH, 38SAV

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

38SB

3 Hour Rated Curtain Blade Static Fire Damper

38SBH, 38SBV

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

38SC

3 Hour Rated Curtain Blade Static Fire Damper

38SCH, 38SCV

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

38SX

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

38SXAH, 38SXAV

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

38SXB

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

38SXBH, 38SXBV

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

38SXC

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

38SXCH, 38SXCV

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

KA1

Class I Airfoil Blade Smoke Damper

KA1H250, KA1H350

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

KA2M

Class II Airfoil Blade Modulating Smoke Damper

KA2HM250

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

KH1

Class I Single Thickness Blade Smoke Damper

KH1250, KH1350

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

KH1(SS)

Class I Single Thickness Blade Stainless Steel Smoke Damper

KH1250SS

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

KH2

Class II Single Thickness Blade Smoke Damper

KH2250, KH2350

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

KH2(SS)

Class II Single Thickness Blade Stainless Steel Smoke Damper

KH2250SS

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

KR1

Class I Single Thickness Blade Smoke Damper w/ Integrated Sleeve

KR1H250, KR1H350, KR1V250, KR1V350

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

KR2

Class II Single Thickness Blade Smoke Damper w/ Integrated Sleeve

KR2H250, KR2H350, KR2V250, KR2V350

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

L89

Uninsulated Static Rectangular Ceiling Radiation Damper

L89

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

L91

Insulated Static Rectangular Ceiling Radiation Damper

L91

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

L93

Insulated Dual Opening Static Ceiling Radiation Damper

L93

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

L95

Uninsulated Static Round Ceiling Radiation Damper

L95, L95

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

L97

Insulated Static Round Ceiling Radiation Damper

L97

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

LA1

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

LA1H250, LA1H350, LA1V250, LA1V350

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

LA2

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

LA2H250, LA2H350, LA2V250, LA2V350

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

LA2M

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

LA2HM250, LA2VM250

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

MA1

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

MA1H250, MA1H350, MA1V250, MA1V350

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

MA1G

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

MA1HE250, MA1HE350, MA1VG250, MA1VG350

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

MA1G

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

MA2HD250, MA2HD350, MA2VF250, MA2VF350

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

MA2

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

MA2H250, MA2H350, MA2V250, MA2V350

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

MA2G

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

MA2HE250, MA2HE350, MA2VG250, MA2VG350

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

MA2G

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

MA2HD250, MA2HD350, MA2VF250, MA2VF350

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

MA2M

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

MA2HM250, MA2VM250

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

MR1

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

MR1H250, MR1H350, MR1V250, MR1V350

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

MR2

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

MR2H250, MR2H350, MR2V250, MR2V350

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

MS1

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

MS1H250, MS1H350, MS1V250, MS1V350

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

MS1G

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

MS1HD250, MS1HD350, MS1VF250, MS1VF350

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

MS1G

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

MS1HE250, MS1HE350, MS1VG250, MS1VG350

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

MS2

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

MS2H250, MS2H350, MS2V250, MS2V350

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

MS2(SS)

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

MS2H250SS, MS2H350SS, MS2V250SS, MS2V350SS

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

MS2C

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

MS2C250

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

MS2C

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

MS2C2G250

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

MS2C

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

MS2C2H250, MS2C2J250

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

MS2C

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

MS2C2I250, MS2C2K250

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

MS2G

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

MS2HD250, MS2HD350, MS2VF250, MS2VF350

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

MS2G

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

MS1HE250, MS1HE350, MS1VG250, MS1VG350

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

MT1

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

MT1H250, MT1H350, MT1V250, MT1V350

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

MT2

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

MT2H250, MT2H350, MT2V250, MT2V350

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

R7

1½ Hour Rated True Round Single Blade Fire Damper

R7

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.

RK

Class I True Round Smoke Damper

RK250, RK350

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

RM

Class I True Round Combination Fire-Smoke Damper

RM250, RM350

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

S3

1½ Hour Rated True Round "Philips" Curtain Fire Damper

S3

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.