Industrial Dampers - LnD

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Industrial Dampers

Control and balancing dampers for industrial HVAC. Designed and built for heavy-duty applications.

Products

GI30

4" Deep Light Industrial Airfoil Control Damper

GI30

Maximum Velocity (FPM): 4000 fpm
Max Static Pressure: 4 .in w.g. @ 1000 fpm
Pressure Drop: .035 in. w.g. @ 1000 fpm

Material Options: 304 Stainless Steel, 316 Stainless Steel, or Galvanized Steel
Blade Type: Airfoil Blade
Blade Action: Parallel / Opposed
Frame Shape: Rectangular
Pressure Drop: .035 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 4000 fpm (FPM)
Temperature Rating (°F): 250 °F

GI33

8" Deep Light Industrial Single Thickness Control Damper

GI33

Maximum Velocity (FPM): 4000 fpm
Max Static Pressure: 5 .in w.g. @ 1000 fpm
Pressure Drop: .017 in. w.g. @ 1000 fpm

Material Options: 304 Stainless Steel, 316 Stainless Steel, or Galvanized Steel
Blade Type: Single Thickness Blade
Blade Action: Parallel / Opposed
Frame Shape: Rectangular
Pressure Drop: .017 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 4000 fpm (FPM)
Temperature Rating (°F): 250 °F

GI34

8" Deep Light Duty Industrial Galvanized Damper

GI34

Maximum Velocity (FPM): 4000 fpm
Max Static Pressure: 10 .in w.g. @ 1000 fpm
Pressure Drop: .017 in. w.g. @ 1000 fpm

Material Options: 304 Stainless Steel, 316 Stainless Steel, or Galvanized Steel
Blade Type: Single Thickness Blade
Blade Action: Parallel / Opposed
Frame Shape: Rectangular
Pressure Drop: .017 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 4000 fpm (FPM)
Temperature Rating (°F): 250 °F

GI41

10" Deep Industrial Single Thickness Blade Control Damper

GI41

Maximum Velocity (FPM): 2500 fpm
Max Static Pressure: 6 .in w.g. @ 1000 fpm
Pressure Drop: .05 in. w.g. @ 1000 fpm

Material Options: 304 Stainless Steel, 316 Stainless Steel, or Galvanized Steel
Blade Type: Single Thickness Blade
Blade Action: Parallel / Opposed
Frame Shape: Rectangular
Pressure Drop: .05 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2500 fpm (FPM)
Temperature Rating (°F): 250 °F

GI42

10" Deep Industrial Single Thickness Blade Control Damper

GI42

Maximum Velocity (FPM): 2500 fpm
Max Static Pressure: 8 .in w.g. @ 1000 fpm
Pressure Drop: .05 in. w.g. @ 1000 fpm

Material Options: 304 Stainless Steel, 316 Stainless Steel, or Galvanized Steel
Blade Type: Single Thickness Blade
Blade Action: Parallel / Opposed
Frame Shape: Rectangular
Pressure Drop: .05 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2500 fpm (FPM)
Temperature Rating (°F): 250 °F

GI43

10" Deep Formed Steel Industrial Control Damper

GI43

Maximum Velocity (FPM): 2500 fpm
Max Static Pressure: 10 .in w.g. @ 1000 fpm
Pressure Drop: .05 in. w.g. @ 1000 fpm

Material Options: 304 Stainless Steel, 316 Stainless Steel, or Galvanized Steel
Blade Type: Single Thickness Blade
Blade Action: Parallel / Opposed
Frame Shape: Rectangular
Pressure Drop: .05 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 2500 fpm (FPM)
Temperature Rating (°F): 250 °F

GI50

10" Deep Industrial Formed Steel Airfoil Control Damper

GI50

Maximum Velocity (FPM): 8000 fpm
Max Static Pressure: 12 .in w.g. @ 1000 fpm
Pressure Drop: < .1 in. w.g. @ 1000 fpm

Material Options: 304 Stainless Steel, 316 Stainless Steel, or Galvanized Steel
Blade Type: Airfoil Blade
Blade Action: Parallel / Opposed
Frame Shape: Rectangular
Pressure Drop: < .1 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 8000 fpm (FPM)
Temperature Rating (°F): 450 °F

GI51

10" Deep Industrial Formed Steel Airfoil Control Damper

GI51

Maximum Velocity (FPM): 8000 fpm
Max Static Pressure: 20 .in w.g. @ 1000 fpm
Pressure Drop: < .1 in. w.g. @ 1000 fpm

Material Options: 304 Stainless Steel, 316 Stainless Steel, or Galvanized Steel
Blade Type: Airfoil Blade
Blade Action: Parallel / Opposed
Pressure Drop: < .1 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 8000 fpm (FPM)
Temperature Rating (°F): 450 °F

GI54

10" Deep Industrial Formed Steel Airfoil "Hi-Temp" Control Damper

GI54

Maximum Velocity (FPM): 8000 fpm
Max Static Pressure: 15 .in w.g. @ 1000 fpm
Pressure Drop: < .1 in. w.g. @ 1000 fpm

Material Options: Hot Rolled Steel
Blade Type: Airfoil Blade
Blade Action: Parallel / Opposed
Pressure Drop: < .1 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 8000 fpm (FPM)
Temperature Rating (°F): 800 °F

GI55

10" Deep Industrial Formed Steel Airfoil Control Damper (Clean Air)

GI55

Maximum Velocity (FPM): 8000 fpm
Max Static Pressure: 10 .in w.g. @ 1000 fpm
Pressure Drop: < .1 in. w.g. @ 1000 fpm

Material Options: 304 Stainless Steel, 316 Stainless Steel, or Galvanized Steel
Blade Type: Airfoil Blade
Blade Action: Parallel / Opposed
Pressure Drop: < .1 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 8000 fpm (FPM)
Temperature Rating (°F): 400 °F

GI80

Industrial Single Blade Round Control Damper

GI80

Maximum Velocity (FPM): 10000 fpm
Max Static Pressure: 12 .in w.g. @ 1000 fpm
Pressure Drop: < .1 in. w.g. @ 1000 fpm

Material Options: 304 Stainless Steel, 316 Stainless Steel, or Fabricated Steel
Blade Type: Single Thickness Blade
Blade Action: Single
Frame Shape: Round
Pressure Drop: < .1 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 10000 fpm (FPM)
Temperature Rating (°F): 250 °F

GI81

Industrial Heavy Duty Round Control Damper

GI81

Maximum Velocity (FPM): 10000 fpm
Max Static Pressure: 16 .in w.g. @ 1000 fpm
Pressure Drop: < .1 in. w.g. @ 1000 fpm

Material Options: 304 Stainless Steel, 316 Stainless Steel, or Fabricated Steel
Blade Type: Single Thickness Blade
Blade Action: Single
Frame Shape: Round
Pressure Drop: < .1 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 10000 fpm (FPM)
Temperature Rating (°F): 250 °F

L545INS

10" Deep Industrial Insulated Airfoil Control Damper (Clean Air)

L545INS

Maximum Velocity (FPM): 8000 fpm
Max Static Pressure: 10 .in w.g. @ 1000 fpm
Pressure Drop: .1 in. w.g. @ 1000 fpm

Material Options: 304 Stainless Steel, 316 Stainless Steel, or Galvanized Steel
Blade Type: Airfoil Blade
Blade Action: Parallel / Opposed
Pressure Drop: .1 in. w.g. @ 1000 fpm
Maximum Velocity (FPM): 8000 fpm (FPM)
Temperature Rating (°F): 200 °F