Number of Results: 53
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 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 SEVCD-33 is a low leakage airfoil blade control damper with 316 stainless steel construction. The applications are in medium to high pressure and velocity systems. Pressure: Up to 8 in. wg Leakage: Class 1A @ 1in. wg; Class 1 @ 4-8 in. wg Velocity: Up to 4000 fpm Temperature: Up to 250°F Blade
The SEVCD-23 is a low leakage 3V blade control damper with 316 stainless steel construction. The intended applications are in low to medium pressure and velocity systems. Pressure: Up to 5 in. wg Leakage: Class 1A @ 1in. wg; Class 1 @ up to 5 in. wg Velocity: Up to 3000 fpm Temperature: Up to 250°F
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 VCDRM-53 is an insert type multi-blade round control damper providing airflow control in round HVAC ductwork. This damper has applications in low to medium pressure and velocity systems. Pressure: Up to 5 in. wg Leakage: 3½ cfm per sq. foot @ 1 in. wg Velocity: Up to 2500 fpm Temperature: Up to
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-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-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 VCDR-53 round control damper is for applications in low to medium pressure and velocity systems. Pressure: Up to 4 in. wg Leakage: 4 cfm per sq. foot @ 1 in. wg Velocity: Up to 3000 fpm Temperature: Up to 250°F Blade seal
The VCDR-50 round control damper is for applications in low to medium pressure and velocity systems. Pressure: Up to 4 in. wg Velocity: Up to 3000 fpm Temperature: Up to 250°F
The VCD-43 control damper is low leakage with extruded aluminum airfoil blades and frame. This model can be used in applications as an automatic control or manual balancing damper with medium to high pressure and velocity systems. Pressure: Up to 8 in. wg Leakage: Class 1A @ 1in. wg, Class 1 @ 4-8
The VCD-33 is a low leakage control damper with fabricated airfoil blades. This damper can be used in applications as an automatic control or manual balancing damper with medium to high pressure and velocity systems. Pressure: Up to 8 in. wg Leakage: Class 1A @ 1in. wg, Class 1 @ 4-8 in. wg Velocit
The VCD-23 is a general purpose control damper with 3V blades. This model can be used in applications as an automatic control or manual balancing damper with low to medium pressure and velocity systems. Pressure: Up to 5 in. wg Leakage: Class 1A @ 1in. wg, Class 1 @ up to 5 in. wg Velocity: Up to 3
The VCD-42 is a low leakage control damper with extruded aluminum airfoil blades. This damper can be used in applications as an automatic control or manual balancing damper with medium to high pressure and velocity systems. Pressure: Up to 6 in. wg Leakage: 3 cfm per sq. foot @ 1in. wg, 6 cfm per s
Model VCD-40 is a low leakage control damper that has blades completely contained within the 4 in. frame. This allows the direct mount to a louver, filter frame, or similar application with no blade interference. Pressure: Up to 6 in. wg Leakage: Class 1A @ 1 in. wg Velocity: Up to 6000 fpm Tempera
The VCD-34 is a low leakage control damper that has insulated fabricated airfoil blades. The damper works well in applications as an automatic control or manual balancing damper with medium to high pressure and velocity systems. Pressure: Up to 8 in. wg Leakage: Class 1A @ 1in. wg, Class 1 @ 4-8 in
The VCD-20 is a general purpose control damper with 3V blades. This damper can be used in applications as an automatic control or manual balancing damper with low to medium pressure and velocity systems. Pressure: Up to 5 in. wg Velocity: Up to 3000 fpm Temperature: -40°F to 250°F
The VCD-23V control damper has vertical 3V blades with blade and jam seal. This model can be used in applications as an automatic control or manual balancing damper with low to medium pressure and velocity systems. Pressure: Up to 5 in. wg Leakage: Class 1A @ 1in. wg, Class 1 @ up to 5 in. wg Veloc
The VCD-43V control damper has low leakage with extruded aluminum airfoil blades and an aluminum frame. This model can be used in applications as an automatic control or manual balancing damper with medium to high pressure and velocity systems. Pressure: Up to 8 in. wg Leakage: Class 1A @ 1in. wg,
The VCD-34V is a low leakage control damper with insulated vertical fabricated airfoil blades. This model can be used in applications as an automatic control or manual balancing damper with medium to high pressure and velocity systems. Pressure: Up to 8 in. wg Leakage: Class 1A @ 1in. wg, Class 1 @
The VCD-33V is a low leakage control damper with vertical fabricated airfoil blades. The model can be used as an automatic control or manual balancing damper with medium to high pressure and velocity systems. Pressure: Up to 8 in. wg Leakage: Class 1A @ 1in. wg, Class 1 @ up 4-8 in. wg Velocity: Up
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-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-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-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-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-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-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-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-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-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-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.
Model XG-2300MC is an extruded aluminum linear bar grille mitered corner section with 1/8-inch bars on 1/4-inch centers and one-inch flanged frame, available in 90°, 135° or special angles (SA) with 0°, 15°, or 30° blade deflection.
Model XG-2400MC is an extruded aluminum linear bar grille mitered corner section with 1/8-inch bars on 1/4-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-2500MC is an extruded aluminum linear bar grille mitered corner section with 1/8-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.
Model XG-2600MC is an extruded aluminum linear bar grille mitered corner section with 1/8-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-TR is a steel square to round transition.