Greenheck MANUAL BALANCING DAMPERS
Description
Balancing dampers are control dampers that balance the flow of air in an HVAC system. The intended applications for these dampers do not include a positive shutoff or for automatic control. The MBD series are shipped manual hand quadrants that can lock in place.
OVERVIEW
MBD-15
The MBD-15 is a multi-blade manual balancing damper regulating the flow of air in an HVAC system.
- Blade Type: 3V
- Pressure: Up to 1.0 Kpa (4 in. wg)
- Velocity: Up to 10.16 m/s (2000 fpm)
- Temperature: Up to 82°C (180°F)
Description
PRODUCTS
Delivering top performing air movement and air control equipment.
As the worldwide leader in manufacturing high quality air movement and air control products, Greenheck offers ventilation equipment for commercial, institutional, and industrial buildings.
A line of damper products for fire and smoke control in life safety systems and for airflow control in commercial HVAC and industrial systems.
Damper products serve a valuable role in air movement. Products cover a wide variety of applications ranging from life safety to maintaining the control of outside air.
Related products
Greenheck CENTRIFUGAL FANS
Description
Backward inclined double-width centrifugal fans offer a wide performance range and are suitable for clean air, supply or exhaust applications.
OVERVIEW
CDB-100

CDB-100 offers a non-overloading backward-inclined wheel. The fan is suitable for clean air, supply or exhaust applications.
- Fan diameters range from 225mm up to 1250mm
- Capacities range up to 150000 CMH (88500 cfm)
- Up to 1600 Pa (6.4 in. wg)
Certifications:
AMCA licensed for Air and Sound performance (AMCA 211 and 311)
AMCA licensed for FEI, Air & Sound Performance
CDB-200

CDB-200 offers motors and drive set along with a motor base frame.
CDB-300

CDB 300 offers an easy-to-install insulated housing incorporated with the CDB blower and motor.
CSB

Model CSB is a single inlet, single-width centrifugal blower that offers backward-inclined (BI) wheels. The CSB is an excellent choice for exhaust air, supply air, filtration, heating, air conditioning, and industrial process applications.
- Capacities up to 42,000 cmh (25,000 cfm)
- Up to 1,500 Pa (6 in. wg)
Certifications:
AMCA licensed for FEI, Air & Sound Performance
Greenheck HIGH VOLUME LOW SPEED (HVLS)
Description
Large diameter ceiling fans provide airflow for effective air circulation and enhanced comfort in commercial and industrial spaces. With a variety of benefits including personnel cooling, humidity control, and heat distribution, these fans are an ideal selection for many applications.
OVERVIEW
DS-M

Model DS-M high volume, low-speed (HVLS) ceiling fans are ideal for year-round comfort in air circulation and destratification applications. Featuring an aerodynamic, extruded aluminum airfoil design and a high-efficiency direct drive motor, model DS-M delivers maximum airflow at a fraction of the operating cost compared to other HVLS fans. Its universal ceiling mount and plug-and-play design make the DS-M fan the easiest HVLS fan to install in the market!
- Fan diameters between 16 and 24 ft.
- Up to 413,100 cmh (243,000 cfm)
Certifications:
AMCA Circulating Fan Performance
HVLS-M STANDARD TOUCHSCREEN CONTROL

The standard touchscreen offers both cost-effectiveness and functionality to an HVLS system. The sleek design fits in a standard 2x4 junction box and has an intuitive LCD screen. This controller allows the user to operate up to 3, 5, or 10 fans with any combination of models and sizes giving the user a wide range of flexibility when using the controller. The touchscreen offers password protection along with advanced diagnostics for ease of troubleshooting.
Greenheck Jet Fans
Description
Cars parked in an underground parking structure emit carbon monoxide (CO), smoke and other noxious fumes, which are hazardous. Ductless designs use transfer fans to dilute and remove contaminants and control the smoke.
OVERVIEW
GJ

Model GJ is a unidirectional jet fan, part of the GreenJet™ series, designed for car park ventilation needs. The unit features a true airfoil design propeller, which is designed to move high volumes of air at a high efficiency in a small diameter fan.
- Capacities range from 4200 to 10103 CMH (2472 to 5946 CFM)
- Thrust up to 73/18 N
Greenheck LIFE SAFETY DAMPERS
Description
Life safety dampers protect openings in walls, ceilings, floors and/or partitions to prevent the spread of fire and/or smoke. These products are tested and classified in accordance with UL.
OVERVIEW
DFD

Dynamic rated fire dampers are used in HVAC systems that remain operational in the event of a fire emergency.
FD

Model FD series are approved for use in walls, floors, and partitions with fire resistance ratings less than 3 hours. FD dampers carry a 1½ hour UL fire damper label. UL 555 classifies static rated fire dampers for use in HVAC systems that are automatically shut down in the event of a fire emergency.
FSD

The FSD series installs in walls, floors, or partitions and is rated for airflow and leakage in either direction.
SMD

The SMD series is UL 555S classified and can be applied in a passive smoke control system or as part of an engineered smoke control system. Upon temperature elevation, the damper will close automatically to prevent the spread of smoke.
Greenheck PLENUM FANS
Description
Excellent performance and reliability are typical of plenum fans. These fans work best in commercial or industrial air handling settings and pressurized plenum applications.
OVERVIEW
APM-M

Model APM-M is a commercial grade plenum fan combining performance and reliability into a lighter duty, economical design. The compact direct drive eliminates the cost, maintenance and complexity of traditional belt drive, plenum fans. APM-M’s are an excellent option as a stand-alone fan or in parallel fan array applications.
- Capacities up to 36,000 CMH (21,200 CFM)
- Up to 1,860 Pa (7.5 in. wg)
Certifications:
AMCA licensed for Air and Sound performance (AMCA 211 and 311)
Greenheck ROOF MOUNTED FANS
Description
Fan and ventilator products for commercial, institutional, and industrial roof installations, offering the industry’s best performance and durability for clean air applications.
OVERVIEW
RV-D

Model RV-D centrifugal roof exhaust fans provide the industry’s best performance and durability for clean air applications.
- Capacities up to 23,370 cmh (13,759 cfm)
- Up to 1,343 Pa (5.4 in. wg)
Certifications:
AMCA licensed for Air and Sound performance (AMCA 211 and 311)
Greenheck TUNNEL DAMPERS
Description
A tunnel transit damper is a heavy-duty flanged air damper designed to meet the rigorous environment of a transit tunnel. It is qualified to withstand the stresses and pressures of such environments. It meets the requirements of NFPA-130, NFPA-502, UL 555S, and BS476 standards.
OVERVIEW
HTD-630

The HTD-630 is a heavy duty industrial air control damper qualified for use in tunnel and transit systems. This model has a double flanged frame and features mechanically fastened silicone blade seals and stainless steel jamb seals.
- Meets the requirements of NFPA-130, 502, and UL 555S
- Blade type: fabricated airfoil
- Pressure: Up to 24 in. wg
- Velocity: Up to 4,000 fpm
- Temperature: 250°F continuous; 482°F for 2 hours (NFPA-130, 502)
- Fatigue Cycles: 8 million reverse cycles at 24 in. wg
HTD-636

The HTD-636 is a heavy duty industrial air control damper qualified for use in tunnel and transit systems. This model has a double flanged frame and features mechanically fastened silicone blade seals and stainless steel jamb seals.
- Meets the requirements of NFPA-130, 502, and UL 555S
- Fire Rating: BS476 two hours and approved for fire partitions of four hours or less where British Standards are required
- Blade type: Fire-rated fabricated airfoil
- Pressure: Up to 24 in. wg
- Velocity: Up to 4000 fpm
- Temperature: 482°F for 2 hours (NFPA-130, 502)
- Fatigue Cycles: 8 million reverse cycles at 24 in. wg
Greenheck Volume control dampers ( VCD )
Description
Control dampers regulate the flow of air in an HVAC system for intake, exhaust, or mixed air applications.
OVERVIEW
VCD

Volume control dampers are for use in HVAC systems requiring modulating airflow. VCD dampers can be used in applications as an automatic control damper with low to medium pressure and velocity systems. Units feature a blade design, which maximizes free area, increasing damper performance.