Number of Results: 276
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 MBDR-50 is a round manual balancing damper regulating the flow of air in an HVAC system. Pressure: Up to 1 in. wg Velocity: Up to 2000 fpm Temperature: Up to 180°F
Model DFDR-510 is a round fire damper for use in walls, floors, and partitions with fire-resistance ratings less than three hours. Dynamic-rated-fire dampers are in HVAC systems that remain operational in the event of a fire. Pressure: Up to 4 in. wg Velocity: Up to 2000 fpm Temperature: Up to 286°
The SMD-201M is a Class I rated modulating smoke damper with 3V blades for operational closure in emergency smoke control situations. This model installs vertically or horizontally and is rated for airflow and leakage in either direction. Pressure: Up to 4 in. wg Velocity: Up to 2000 fpm Temperatur
The SMD-201 is a Class I leakage rated smoke damper with 3V blades for operational closure in emergency smoke control situations. This model installs vertically or horizontally and is rated for airflow and leakage in either direction. Pressure: Up to 6 in. wg Velocity: Up to 2000 fpm Temperature: U
The SMD-202 is a Class II leakage rated smoke damper with 3V blades for operational closure in emergency smoke control situations. This model installs vertically or horizontally and is rated for airflow and leakage in either direction. Pressure: Up to 6 in. wg Velocity: Up to 2000 fpm Temperature:
The SMD-302M is a Class II leakage rated smoke damper with airfoil blades for operational closure in emergency smoke control situations. This model installs vertically or horizontally and is rated for airflow and leakage in either direction. Pressure: Up to 4 in. wg Velocity: Up to 2000 fpm Tempera
The SMD-302 Class II leakage rated smoke damper has airfoil blades for operational closure in emergency smoke control situations. The model installs vertically or horizontally and is rated for airflow and leakage in either direction. Pressure: Up to 8 in. wg Velocity: Up to 4000 fpm Temperature: Up
The SMD-301V is a Class I leakage rated smoke damper with vertical airfoil blades for operational closure in emergency smoke control situations. This model installs vertically and is rated for airflow and leakage in either direction. Pressure: Up to 4 in. wg Velocity: Up to 4000 fpm Temperature: Up
The SMD-301M is a Class I leakage rated modulating smoke damper with airfoil blades for operational closure in emergency smoke control situations. This model installs vertically or horizontally and is rated for airflow and leakage in either direction. Pressure: Up to 4 in. wg Velocity: Up to 3000 f
The SMD-401M is a Class I leakage rated modulating smoke damper with extruded aluminum airfoil blades for operational closure in emergency smoke control situations. This model installs vertically or horizontally and is rated for airflow and leakage in either direction. Pressure: Up to 4 in. wg Velo
The SMD-401EF is a Class I leakage rated smoke damper with extruded aluminum airfoil blades and frame for operational closure in emergency smoke control situations. The damper installs vertically or horizontally and is rated for airflow and leakage in either direction. Pressure: Up to 6 in. wg Velo
The SMD-401 is a Class I leakage rated smoke damper with extruded aluminum airfoil blades for operational closure in emergency smoke control situations. This model installs vertically or horizontally and is rated for airflow and leakage in either direction. Pressure: Up to 6 in. wg Velocity: Up to
The SMD-301 is a Class I leakage rated smoke damper with airfoil blades for operational closure in emergency smoke control situations. The model installs vertically or horizontally and is rated for airflow and leakage in either direction. Pressure: Up to 8 in. wg Velocity: Up to 4000 fpm Temperatur
Model FD-310 is for use in walls, floors, and partitions with fire resistance ratings of three hours or more. This model has a 2³/₁₆ inch frame. Static rated fire dampers used in HVAC systems automatically shut down in the event of a fire emergency. Temperature: Up to 212°F
Model FD-350 is for use in walls, floors, and partitions with fire-resistance ratings of three hours or more. This model is UL 555 classified with a 3¹¹/₁₆-in. frame. Static rated fire dampers used in HVAC systems automatically shut down in the event of a fire emergency. Temperature: Up to 212°F
The FD-150X series is for use in walls, floors, and partitions with fire-resistance ratings less than three hours. This model has an integral sleeve. Static-rated-fire dampers used in HVAC systems that automatically shut down in the event of a fire emergency. Temperature: Up to 212°F FD-150x12 has
Model FD-110 is for use in walls, floors, and partitions with fire-resistance ratings less than three hours. This model has a 2³/₁₆ inch frame. Static-rated-fire dampers used in HVAC systems automatically shut down in the event of a fire. Temperature: Up to 212°F
The FD-150 is for use in walls, floors, and partitions with fire-resistance ratings less than three hours. This model has a 3¹¹/₁₆ inch frame. Static-rated-fire dampers used in HVAC systems automatically shut down in the event of a fire emergency. Temperature: Up to 212°F
The KFD-150 is a static rated fire damper used in kitchen ventilation systems. This model has a fire-resistance rating of less than three hours. Static rated fire dampers are used in systems that automatically shut down in the event of a fire emergency.
The KFD-350 is used in kitchen ventilation system with a fire resistance rating of 3 hours or more. Static rated fire dampers used in HVAC systems automatically shut down in the event of a fire emergency.
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
Model EAD-635 is an adjustable extruded aluminum louver with drainable style blades. When in the open position this louver functions as a conventional louver while providing tight shut off from air and other elements when in the closed position. This product is most often provided with factory-moun
Model EAD-401 is an adjustable extruded aluminum louver with drainable style blades. When in the open position this louver functions as a conventional louver while providing tight shut off from air and other elements when in the closed position. This product is most often provided with factory-moun
Model EAD-632W is an adjustable extruded aluminum louver with drainable style blades. When in the open position this louver functions as a conventional louver while providing tight shut off from air and other elements when in the closed position. This product is most often provided with factory-mou
Model ESD-635X is a Florida Product Approved stationary drainable blade extruded aluminum louver designed to protect air intake and exhaust openings in exterior walls. The ESD-635X is AMCA 540 Listed for Wind-Borne Debris when selected as such and is approved for use in Florida’s High Velocity Hurr
Model ESD-435X is a Florida Product Approved stationary drainable blade extruded aluminum louver designed to protect air intake and exhaust openings in exterior walls. Model ESD-435X is AMCA 540 Listed for Wind-Borne Debris when selected as such and is approved for use in Florida’s High Velocity Hu
Model ESD-635D is a Miami-Dade Qualified and Florida Product Approved stationary horizontal drainable blade extruded aluminum louver designed to protect air intake and exhaust openings in exterior walls. ESD-635D is AMCA 540 Listed for wind-borne debris impact and is approved for use in Florida’s H
Model ESD-635 is an extruded aluminum stationary drainable louver that protects air intake and exhaust openings in exterior walls. The drainable head and stationary horizontal drainable blades collect and further channel water to the vertical downspouts located in the louver jambs where gravity take
Model ESD-603 is an extruded aluminum stationary drainable louver that protects air intake and exhaust openings in exterior walls. The drainable head and stationary horizontal drainable blades collect and further channel water to the vertical downspouts located in the louver jambs where gravity tak
Model ESD-435 is an extruded aluminum stationary drainable louver that protects air intake and exhaust openings in exterior walls. The drainable head and stationary horizontal drainable blades collect and further channel water to the vertical downspouts located in the louver jambs where gravity tak
Model ESD-202 is an extruded aluminum stationary drainable louver that protects air intake and exhaust openings in exterior walls. The drainable head and stationary horizontal drainable blades collect and further channel water to the vertical downspouts located in the louver jambs where gravity tak
Model ESD-403 is an extruded aluminum stationary drainable louver that protects air intake and exhaust openings in exterior walls. The drainable head and stationary horizontal drainable blades collect and further channel water to the vertical downspouts located in the louver jambs where gravity tak
Model ESD-635PD gravity intake or exhaust louvered penthouse incorporates horizontal drainable style blades that provide good protection against water penetration under ambient conditions. The ESD-635PD is designed to withstand extremely high wind pressure loads along while also providing protectio
A straight-sided, vented roof curb for use on flat roofs in kitchen applications. 20, 24, 26, or 30 in. height, varies by size 2 or 5 in. flashing flange
A straight-sided roof curb for use on ridged or double-pitched roofs in high wind and seismic applications. 8 to 24 in. heights 2 or 5 in. flashing flange
Model ESD-635HP is an extruded aluminum stationary drainable louver that protects air intake and exhaust openings in exterior walls. The drainable head and stationary horizontal drainable blades collect and further channel water to the vertical downspouts located in the louver jambs where gravity ta
A straight-sided roof curb for use on pitched roofs in high wind or seismic applications. 8 to 24 in. heights 2 or 5 in. flashing flange
A straight-sided roof curb for use on flat roofs in high wind and seismic applications. 8 to 42 in. heights 2 or 5 in. flashing flange
Gravity ventilators designed for relief applications with natural gravity or negative pressure systems. Units feature a low-silhouette, fabra hood-style housing. 0 to 96,800 cfm Up to 0.3 in. wg.
Gravity ventilators designed for intake applications with natural gravity or negative pressure systems. Units feature a low silhouette, fabra hood style housing. 0 to 109,800 cfm Up to 0.35 in. wg.
A canted roof curb for use on flat roofs. Includes a wood nailer for the attachment of roofing material. The cant aides in transition of roofing material. 8 to 20 in. heights 1 1/8 in. flashing flange
A raised canted roof curb for use on flat roofs. Includes a wood nailer for the attachment of roofing material. The raised cant is available up to 6 in. tall for deck insulation. 8 to 20 in. heights 1 1/8 in. flashing flange
A straight-sided roof curb for use on ridged or double-pitched roofs. Includes a wood nailer for the attachment of roofing material. 12 to 24 in. heights 2 in. flashing flange
A straight-sided roof curb for use on pitched roofs. Includes a wood nailer for the attachment of roofing material. 12 to 24 in. heights 2 in. flashing flange
The GRSI is a spun aluminum air relief roof ventilator for natural gravity or positive pressure systems. This model can mount either to a roof curb or with a flashing flange (GRSF) for quick and easy installations. 180 to 15,200 cfm Up to 0.4 in. wg.
The GRSR is a spun aluminum air relief roof ventilator for natural gravity or positive pressure systems. This model can mount either to a roof curb or with a flashing flange (GRSF) for quick and easy installations. 230 to 18,400 cfm Up to 0.4 in. wg.