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 FUME EXHAUST FANS
Description
The fume exhaust fan design allows for safe exhaust and dispersion of contaminated air in commercial, institutional or industrial applications.
OVERVIEW
FJ-M
Model FJ-M is a pre-engineered, factory supplied combination of a centrifugal blower with a discharge stack. Designed to follow ANSI Z9.2 standard for local exhaust systems, the fan offers extended discharge to reduce and prevent exposure to harmful fumes.
- Capacities up to 28,883 cmh (17,000 cfm)
- Up to 1,443 Pa (5.8 in. wg)
Certifications:
AMCA licensed for FEI, Air & Sound Performance
Greenheck Inline Fans
Description
Inline fan models meet a wide range of supply or exhaust applications in commercial and industrial facilities. There are models available for clean air, sound sensitive and heavy-duty industrial applications.
OVERVIEW
BSQ-M
Model BSQ-M is a belt drive, centrifugal inline fan for clean air applications including intake, exhaust, return, or make-up air systems where space is a prime consideration. Units feature removable side panels for easy access for inspection and service.
- Fan diameters range from 70mm up to 420mm
- Capacities up to 45193 CMH (26600 CFM)
- Up to 956 Pa (3.8 in. wg)
Certifications:
AMCA Sound and Air
QEI-M
The QEI-M is a mixed flow fan for commercial, institutional, and industrial applications handling everything from clean air to high temperature exhaust. Model offers multiple construction levels to match the application providing best performance at the most economical solution. Features performance enhancing airflow straightening vanes and easily accessible motor outside of the airstream. The QEI-M model has a variety of mounting options for indoor and outdoor locations.
- Capacities up to 55,900 cmh (32,900 cfm)
- Up to 1,244 Pa (5 in. wg)
- Chemical resistant coated steel
SQ-M
Model SQ-M is a direct drive, centrifugal inline fan for clean air applications including intake, exhaust, return, or make-up air systems where space is a prime consideration. Units feature removable side panels for easy access for inspection and service.
- Fan diameters range from 70mm up to 160mm
- Capacities range up to 8536 CMH (5025 CFM)
- Up to 436 Pa (1.75 in. wg)
Certifications:
AMCA Sound and Air
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 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 Vane Axial Fans
Description
Vane axial inline fans are the most efficient axial design. Precision machining creates a tight tip clearance between blade tips and the fan housing. Integral straightening vanes redirect swirling airflow after the impeller into a linear flow at the discharge, further adding increased efficiency.
OVERVIEW
RA
Model RA is a high performance, direct drive vane axial fan. The casing design and construction are well suited for indoor or outdoor applications and can be easily installed in ducted or non-ducted systems. The RA fan is designed to significantly reduce operating costs with peak total efficiency ranging from 70-86%.
Model RA-3 Series vane axial inline fans are ideal for inline air ventilation in commercial, institutional or industrial buildings. The RA-3 Series provides you with more performance and price options.
Model RA is a high performance, direct drive vane axial fan. The casing design and construction are well suited for indoor or outdoor applications and can be easily installed in ducted or non-ducted systems. The RA fan is designed to significantly reduce operating costs with peak total efficiency ranging from 70-86%.
- Capacities up to 200000 CMH (117,715 CFM)
- Up to 1700 Pa (6.8 in. wg)
Model RA-3 Series vane axial inline fans are ideal for inline air ventilation in commercial, institutional or industrial buildings. The RA-3 Series provides you with more performance and price options.
- Fan diameters range from 315mm to 1600mm
- Capacities up to 215,000 CMH (126,544 cfm)
- Up to 1,367 Pa (5.5 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.
Greenheck WALL MOUNTED FANS
Description
Wall-mounted propeller style fans are available for exhaust and supply applications.
OVERVIEW
AER-M
Direct drive fan with expanded performance range specifically designed for wall-mounted clean air applications. Available in sizes 500 to 900 mm.
- Capacities from 424 to 49,390 cmh (250 to 29,070 cfm)
- Up to 610 Pa (2.45 in. wg) of static pressure
Certifications:
AMCA licensed for Air and Sound performance (AMCA 211 and 311)


