Number of Results: 54
The WDR-53 round backdraft damper is designed to mount horizontally for airflow down or up; or vertical for horizontal airflow. This damper is opened by air pressure differential and closed by springs. Galvanized steel frame Aluminum blade Pressure: Up to 3 in. wg Velocity: Up to 2000 fpm Temperatu
The SSWDR-53 round backdraft damper is designed to mount horizontally for airflow down or up; or vertical for horizontal airflow. This damper is opened by air pressure differential and closed by springs. 304 stainless steel construction Pressure: Up to 3 in. wg Velocity: Up to 2000 fpm Temperature:
The GM-30 series backdraft dampers allow horizontal airflow and prevent reverse airflow. Dampers in this series include the GM-30 (no flange), GM-31 with a flange on discharge and GM-32 with a flange on intake. Air pressure differential with assistance from adjustable counterbalance weights to mini
Model EMV-11 horizontal mount, backdraft damper allows vertical airflow up and prevents reverse airflow down. The damper is opened by air pressure differential and closed by gravity. Standard models include adjustable counterbalance weights to assist with opening. Aluminum construction Pressure: Up
The EM-10 series are horizontally mounted backdraft dampers designed to allow vertical airflow up and prevent reverse airflow down. Model EM-10 has no flange, model EM-11 has a flange on the discharge side, and model EM-12 has a flange on the intake side. All dampers in this series open by air pres
The EM-40 series are horizontally mounted backdraft dampers designed to allow vertical airflow down and prevent reverse airflow up. Model EM-40 has no flange, model EM-41 has a flange on the discharge side, and model EM-42 has a flange on the intake side. All dampers in this series open by air pres
The EM-30 series are vertically mounted backdraft dampers designed to allow horizontal airflow. Model EM-30 has no flange, model EM-31 has a flange on the discharge side, and model EM-32 has a flange on the intake side. All dampers in this series open by air pressure differential and close by gravi
The HCD-530 heavy-duty, industrial control damper has a flanged frame and fabricated airfoil blades. Its design controls airflow and provides shutoff in HVAC or industrial process control systems. Blade Type: Fabricated Airfoil Pressure: Up to 45 in. wg Velocity: Up to 6000 fpm Temperature: -40°F t
The HCD-430 is a rectangular industrial control damper with a flanged frame and fabricated airfoil blades. The design controls airflow and provides shutoff in HVAC or industrial process control systems. Blade Type: Fabricated Airfoil Pressure: Up to 35 in. wg Velocity: Up to 6000 fpm Temperature: -
Model HCD-120 is a rectangular heavy-duty industrial control damper with a flanged frame and 3V blades. Blade Type: 3V Pressure: Up to 8½ in. wg Velocity: Up to 3000 fpm Temperature: -40°F to 400°F
The HCD-135 rectangular industrial control damper has a flanged frame with insulated airfoil blades. Blade Type: Insulated Fabricated Airfoil Pressure: Up to 8½ in. wg Velocity: Up to 4000 fpm Temperature: -40°F to 250°F
The HCD-130 rectangular industrial control damper has a flanged frame with airfoil blades. Blade type: Fabricated airfoil Pressure: Up to 8½ in. wg Velocity: Up to 4000 fpm Temperature: -40°F to 400°F
The HCD-330 rectangular industrial control damper features a double-flanged, galvanized steel channel frame and fabricated airfoil blades. Blade Type: Fabricated Airfoil Pressure: Up to 25 in. wg Velocity: Up to 5000 fpm Temperature: -40°F to 600°F
Model HCD-240 is a rectangular heavy-duty industrial control damper with a flanged frame and extruded aluminum airfoil blades. Options include spark A resistant construction. Blade Type: Aluminum Extruded Airfoil Pressure: Up to 15 in. wg Velocity: Up to 5000 fpm Temperature: -40°F to 250°F
The HCD-230 rectangular industrial control damper has a flanged frame with fabricated airfoil blades. Blade Type: Fabricated Airfoil Pressure: Up to 15 in. wg Velocity: Up to 5000 fpm Temperature: -40°F to 600°F
The HCD-220 is a rectangular heavy-duty industrial control damper with a flanged frame and 3V blades. The damper controls airflow and provides shutoff in HVAC or industrial process control systems. Its design fits applications requiring higher pressures and velocities. Blade Type: 3V Pressure: Up t
Model HCD-221 is an industrial isolation control damper with a flanged frame. The HCD-221 uses the same blade design that we provide on our bubble tight damper. It is designed to provide shutoff with very low leakage in HVAC or industrial process control systems. This model is available with paralle
The HCD-324 is a heavy-duty industrial control damper with a flanged frame for high temperature applications. It is designed to control airflow and provide shut off in HVAC or industrial process systems. Blade type: High temperature airfoil Pressure: Up to 25 in. wg Velocity: Up to 5000 fpm Temperat
Model HCD-524 is a heavy-duty industrial control damper with a flanged frame for high temperature applications. It is designed to control airflow and provide shut off in HVAC or industrial process control systems. Blade type: High temperature airfoil Pressure: Up to 45 in. wg Velocity: Up to 5000 fp
The HCD-130LE is design for use in replacements in existing lab exhaust units, as a standalone in custom lab exhaust units. They also work on Greenheck's Vektor® units. Blade Type: Fabricated airfoil Pressure: Up to 8½ in. wg Velocity: Up to 4000 fpm Temperature: -40°F to 250°F
Model HCDR-150 is a round heavy duty industrial control damper with a flanged frame. The damper controls airflow and provides shut off in HVAC or industrial process control system. Available with bolt holes on mounting flanges. Pressure: Up to 6 in. wg Velocity: Up to 4000 fpm Temperature: -40°F to
The HCD-230LE is design for use in replacements in existing lab exhaust units, as a standalone in custom lab exhaust units. They also work on Greenheck's Vektor® units. Blade Type: Fabricated airfoil Pressure: Up to 15 in. wg Velocity: Up to 5000 fpm Temperature: -40°F to 250°F
The HCDR-050 is a round light duty industrial control damper with a flanged frame. Its design controls airflow and provides shut off in HVAC or industrial process control systems. Available with bolt holes on mounting flanges. Pressure: Up to 6 in. wg Velocity: Up to 3000 fpm Temperature: -40°F to
The HCDR-351 is an isolation damper with a flanged frame. It provides tight shutoff with very low leakage in HVAC or industrial process control systems. Pressure: Up to 20 in. wg Velocity: Up to 6500 fpm Temperature: -40°F to 400°F
The HCDR-350 is a heavy duty round industrial control damper with a flanged frame. It controls airflow and provides shut off in HVAC or industrial process control systems. Available with bolt holes on mounting flanges. Pressure: Up to 20 in. wg Velocity: Up to 6400 fpm Temperature: -40°F to 1000°F
The HCDR-250 is a heavy duty industrial round control damper with a flanged-style frame. It controls airflow and provides shut off in HVAC or industrial process control system. Available with bolt holes on mounting flanges. Pressure: Up to 13½ in. wg Velocity: Up to 5150 fpm Temperature: -40°F to 6
Model HCDR-450 is a heavy-duty round industrial control damper with a flanged style frame. It is designed to control airflow and provide shut off in an industrial process control systems. A variety of optional features allows the model HCDR-450 to be tailored to the application. Pressure: Up to 30 i
The HCDR-152 is a heavy duty industrial two-blade round control damper with a flanged frame. This damper provides a more precise control of the airstream through blade modulation. Available with bolt holes on mounting flanges. Pressure: Up to 6 in. wg Velocity: Up to 4000 fpm Temperature: -40°F to
The BD-300 series backdraft dampers mount vertically to allow horizontal airflow and prevent reverse airflow. Dampers in this series: BD-300 with a flange on intake, BD-320 with a flange on discharge and BD-330, which does not have a flanged frame. All dampers in this series open by air pressure di
The BD-100 backdraft damper mounts horizontally to allow vertical airflow up and prevent reverse airflow down. The dampers are open by air pressure differential and closed by gravity. Pressure: Up to 2 in. wg Velocity: Up to 1500 fpm Temperature: Up to 180°F Accessory to power roof ventilators and
The BD-90 backdraft damper mounts horizontally to allow vertical airflow up and prevent reverse airflow down. The dampers are open by air pressure differential and closed by gravity. Pressure: Up to 2 in. wg Velocity: Up to 1500 fpm Temperature: Up to 180°F Accessory to power roof ventilators and c
The WD-400 backdraft damper series are non-motorized that mount vertically for intake air or horizontally to allow vertical airflow down and prevent reverse airflow. Models WD-400 and 410 have no flange, model WD-420 has a flange on discharge, and WD-430 has a flange on intake. The dampers open usi
The WD-340 backdraft damper bolts to the flanged outlet of Greenheck model USF utility blowers. Motorpacks are optional. Pressure: Up to 2 in. wg Velocity: Up to 2500 fpm Temperature: Up to 180°F
The WD-300 series backdraft damper prevents reverse airflow in horizontal exhaust applications. Model WD-300 has a flange on intake, model WD-320 has a flange on discharge and model WD-330 does not have a flanged frame. Dampers open using air pressure differential and close by gravity. Optional mot
The WD-200 series backdraft dampers are motorized to open when energized and the spring return closes when de-energized. Model WD-200 has no flange, model WD-210 has a flange on the motor side and model WD-220 has a flange opposite the motor. The WD-200 series is for horizontal or vertical mounting
The WD-100 series backdraft dampers mount horizontally to allow vertical airflow up and prevent reverse airflow. Model WD-100 has no flange, model WD-110 has a flange on the discharge side, and model WD-120 has a flange on the intake side. These dampers open using air pressure differential (assiste
Model XG-2300CO is an extruded aluminum core only linear bar grille with 1/8-inch bars on 1/4-inch centers, available with 0°, 15°, or 30° blade deflection.
Model XG-2000CO is an extruded aluminum core only linear bar grille with 7/32-inch bars on 1/2-inch centers, available with 0°, 15°, or 30° blade deflection.
Model XG-2500CO is an extruded aluminum core only linear bar grille with 1/8-inch bars on 1/2-inch centers, available with 0°, 15°, or 30° blade deflection.
Model XG-2000 is an extruded aluminum linear bar grille with 7/32-inch bars on 1/2-inch centers and one-inch flanged frame, available with 0°, 15°, or 30° blade deflection.
Model XG-2300 is an extruded aluminum linear bar grille with 1/8-inch bars on 1/4-inch centers and one-inch flanged frame, available with 0°, 15°, or 30° blade deflection.
Model XG-2500 is an extruded aluminum linear bar grille with 1/8-inch bars on 1/2-inch centers and one-inch flanged frame, available with 0°, 15°, or 30° blade deflection.
Model XG-2600 is an extruded aluminum linear bar grille with 1/8-inch bars on 1/2-inch centers and 1/2-inch flanged frame, available with 0°, 15°, or 30° blade deflection.
Model XG-2100 is an extruded aluminum linear bar grille with 7/32-inch bars on 1/2-inch centers and 1/2-inch flanged frame, available with 0°, 15°, or 30° blade deflection.
Model XG-2400 is an extruded aluminum linear bar grille with 1/8-inch bars on 1/4-inch centers and 1/2-inch flanged frame, available with 0°, 15°, or 30° blade deflection.
Model XG-2200 is an extruded aluminum linear bar grille with 7/32-inch bars on 1/2-inch centers and 3/16-inch non flanged frame, available with 0°, 15°, or 30° blade deflection.
Model XG-2700H is an extruded aluminum linear bar grille with 1/8-inch bars on 1/2-inch centers and 3/16-inch non flanged frame, available with 0°, 15°, or 30° blade deflection.
Model XG-2800H is an extruded aluminum linear bar grille with 1/8-inch bars on 1/4-inch centers and 3/16-inch non flanged frame, available with 0°, 15°, or 30° blade deflection.
Model XG-2100MC is an extruded aluminum linear bar grille mitered corner section with 7/32-inch bars on 1/2-inch centers and 1/2-inch flanged frame, available in 90°, 135° or special angles (SA) with 0°, 15°, or 30° blade deflection.
Model XG-2000MC is an extruded aluminum linear bar grille mitered corner section with 7/32-inch bars on 1/2-inch centers and one-inch flanged frame, available in 90°, 135° or special angles (SA) with 0°, 15°, or 30° blade deflection.