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New BTDR-50 Bowtie Damper From Greenheck

Greenheck introduces model BTDR-50, a cable-operated radial blade balancing damper, also known as a bowtie damper, that is designed for easy airflow adjustment at an air outlet or plenum neck. The BTDR-50 is available in steel in 6, 8, 10, 12, and 15-inch diameters, with pressure capacity up to 1 in

New Modular Open Array From Greenheck

Greenheck’s new Modular Open Array, model MOA, provides a turnkey retrofit package that delivers certified performance, communication, and controllability. The MOA configurable fan array features lightweight, easy-to-assemble components that ship to the job site knocked down for field installation.

Greenheck Redesigns USF Centrifugal Utility Sets

Greenheck has redesigned model USF single-width centrifugal utility sets in sizes 4 to 24 to incorporate more features and options. The USF now offers expanded direct drive selections with Vari-Green® motors up to 10 hp. Factory- mounted or ship-loose controls with VFDs are now available with belt o

Greenheck Introduces BAER Belt Drive Sidewall Propeller Fan

Greenheck’s new model BAER belt drive sidewall propeller fan is designed for expanded performance and improved efficiency in wall-mounted clean air applications. The BAER features cast aluminum airfoil blades and hubs, an AC induction motor, and an automatic belt-tensioning system that minimizes reg

Greenheck Introduces Directional Destratification Fan

Greenheck’s extensive product line continues to grow with the addition of model DDF, a directional destratification fan that improves comfort and reduces energy costs by efficiently mixing air from floor to ceiling for uniform temperature distribution. The high-performance direct drive model DDF is

Greenheck Introduces Healthcare, Laboratory and Cleanroom Air Distribution Products

Greenheck’s new line of healthcare, laboratory, and cleanroom (HLC) air distribution products are designed, engineered, and tested to meet or exceed today’s critical environment standards for performance and energy efficiency. This product line includes Laminar Flow Diffusers, Radial Flow Diffusers,

Greenheck Offers AER Configurable Condenser Fan

Regulates temperature and provides ventilation for equipment in demanding applications Greenheck’s new AER direct drive configurable condenser fan can help regulate temperature and provide proper ventilation for your equipment, even in the most demanding applications where elevated water and tempera

Greenheck’s eCAPS® Bridge To Revit® Streamlines Product Selection

Software Plug-In Saves Time in Creating Schedules Greenheck’s eCAPS® Bridge to Revit® plug-in provides access to the most complete catalog of HVAC product content in Greenheck’s eCAPS® online product selection program and makes it easy to select and schedule HVAC equipment without leaving the Revit®

Greenheck Announces Model RVC Rooftop Unit with Enthalpy Core

New Model RVC Provides Low Maintenance Energy Recovery Greenheck’s new model RVC (Rooftop Ventilator with Energy Recovery Core) is the latest addition to its dedicated outdoor air systems line for high percentage and 100% outside air applications. Model RVC incorporates a total enthalpy core that pr

Greenheck Supports Healthy Indoor Air In Schools

Proper Ventilation Contributes to Improved Learning Environment A recently released White House Fact Sheet, Back to School 2022: Giving Every School the Tools to Prevent COVID-19 Spread and Stay Safely Open All Year Long, cites improving indoor air quality across America’s school buildings through e

Greenheck Vektor®-H Lab Exhaust Fan Receives High Wind Certification

Vektor-H Direct Drive Reduces Power and Maintenance Greenheck’s Vektor®-H direct drive laboratory exhaust fan has received Miami Dade NOA and Florida Product Approval for high wind certification. All Vektor-H series models are now hurricane and high wind certified for wind-borne debris, impact resis

Greenheck Launches Air Distribution Product Line

New Product Line Allows for Single-Source HVAC System SpecificationGreenheck recently added air distribution products to its industry-leading product line making it even easier to specify a complete ventilation system from one supplier. Greenheck’s air distribution products include an extensive sele

Greenheck Celebrates 75 Years

Company continues to excel through values established by its founders in 1947 Greenheck, the global leader in engineering and manufacturing air movement, control, conditioning, and distribution equipment, is celebrating its 75th anniversary. Founded by brothers Bob and Bernie Greenheck upon their re

Greenheck Introduces QEID Upblast Fan

Now available in a roof-mounted configuration Greenheck’s QEID direct drive mixed flow fan is now available in a roof-mounted exhaust or upblast configuration ideal for discharging clean air or fume exhaust up and away from a building. The QEID Upblast’s mixed flow wheel offers higher efficiency ope

Greenheck Adds Two New Industrial Control Damper Models Designed to Control Airflow in Lab Exhaust Systems

Greenheck has expanded its line of industrial control dampers with two new models specifically designed for lab exhaust systems. Models HCD-130LE and HCD-230LE are heavy-duty flanged-style frame industrial control dampers with fabricated airfoil blades designed to control airflow and provide shutoff

Greenheck Introduces ABD-Z2 Automatic Balancing Damper For Zone Register Terminals

The ABD-Z2 is the latest addition to Greenheck’s line of automatic balancing dampers that provide precise airflow regulation for energy efficient indoor air quality. The ABD-Z2 is an integrated automatic balancing damper (ABD) with an adjustable set point controlled by an electric actuator (24V or 1

Greenheck Expands Mixed Flow Square Inline Fan Line

Greenheck’s SQ mixed flow fan line featuring a unique combination of high efficiency, low sound, and ease of installation in a square housing design now includes a new outdoor option along with additional accessories and sizes. The SQ mixed flow fan can now be specified for ducted horizontal-mount o

CRD-60X

Application The CRD-60X is a UL 555C classified damper with an attached insulation skirt designed to limit the radiant heat transfer through an opening in the ceiling membrane of a fire-resistance rated floor/ceiling assembly of three hours or less. Width and Height furnished approximately 1⁄4 in. (

CRD-60

Application The CRD-60 is a UL 555C classified damper designed to limit the radiant heat transfer through an opening in the ceiling membrane of a fire-resistance rated floor/ceiling assembly of three hours or less. See complete marking on product. UL 555C Classification R13446 Model CRD-60 meets the

CRD-2WT

See complete marking on product. UL 555C Classification R13446 The CRD-2WT is a UL classified ceiling radiation damper for installation in wood truss ceiling construction with ratings up to 1 hour. The CRD-2WT provides the ceiling radiation damper with a plaster flange attached around the perimeter

SSSMD-201

"Standard Frame Material 304SS Frame Material Thickness 16 ga. (1.5 mm) Frame Type 5 in. x 1in. (127 mm x 25 mm) hat channel Blade Material 304SS Blade Material Thickness 16 ga. (1.5 mm) Blade Type 3V Blade Action Opposed Linkage 316SS out of airstream, concealed in jamb Axle Bearings 316SS Axle Mat

SSFSD-211

"See complete marking on product. UL 555 555S Classification R13317 W H dimensions furnished approximately ¼ in. (6mm) undersize. Add sleeve thickness for overall sleeved damper dimension. Right hand is shown. Left hand drive is available. Model SSFSD-211 is a 304SS combination fire smoke damper wit

D* *D dimension is actual O.D. of damper. If damper is to be installed inside duct work, order damper 1⁄4 in. smaller than duct size. The CRD-2 is a round ETL listed damper designed to limit the radiant heat transfer through an opening in the ceiling membrane of a fire resistance rated floor/ceiling

CRD-2

D* *D dimension is actual O.D. of damper. If damper is to be installed inside duct work, order damper 1⁄4 in. smaller than duct size. See complete marking on product. UL 555C Classification R13446 The CRD-2 is a round UL555C classified damper designed to limit the radiant heat transfer through an op

UL Fire Resistance Directory Approved Ceiling Design Number: L528, L546, L558, L562, L574, L576, L581, L583, L585, L592, M501, M503, M508, P533, P538, P545, P547, P548, P554, and P580 Click on design number to open UL Fire Resistance Directory Other proprietary UL design numbers may be similar. Appr

CRD-1LP

See complete marking on product. UL 555C Classification R13446 Blade Extension H* W* *W H dimension furnished approximately 1⁄4 in. (6mm) undersize. W H Minimum Size Maximum Size Inches 4 x 12 24 x 24 mm 101 x 305 610 x 610 Size Limitations Construction Construction Standard Optional Frame Material

The CRD-1WJ is a UL classified ceiling radiation damper for installation in wood joist construction with ratings up to an one hour. The CRD-1WJ provides the ceiling radiation damper installed in an insulated steel enclosure. The damper is positioned in the enclosure to accomodate 11⁄2 in. (38mm) gri

CRD-1

W*H* *W H dimensions furnished approximately 1⁄4 in. (6mm) under size. W H Minimum Size Maximum Size Inches 4 x 6 24 x 24 mm 101 x 152 610 x 610 See complete marking on product. UL 555C Classification R13446 Model CRD-1 meets the requirements for ceiling radiation dampers established by: • National

Blade Extension H* W* *W H dimension furnished approximately 1⁄4 in. (6mm) undersize. W H Minimum Size Maximum Size Inches 4 x 12 24 x 24 mm 101 x 305 610 x 610 Size Limitations Construction Construction Standard Optional Frame Material Galvanized steel* Frame Type Standard Top, Bottom, or Top/Botto

W*H* *W H dimensions furnished approximately 1/4 in. (6mm) under size. W H Minimum Size Maximum Size Inches 4 x 6 24 x 24 mm 101 x 152 610 x 610 Model CRD-1 meets the requirements for ceiling radiation dampers established by: • National Fire Protection Association NFPA Standards 90A, and 101 • Inter

HTOD-330/331

Velocity Up to 6400 fpm (32.5 m/s) Pressure Up to 83 in. wg (20.7 kPa) (3 psi) - pressure differential Temperature -40°F to 250°F (-40°C to 121°C). Pressure Rise or Decrease 3 psi Damper Ratings Standard Optional Frame Material Painted Steel 304SS or 316SS Frame Material Thickness 1⁄4 in. (6.3 mm) F

SMD-401EF

SMD-401EF Smoke Damper Application SMD-401EF September 2023 Model SMD-401EF is a class I leakage rated smoke damper with extruded aluminum blades and frame. High strength, streamlined extruded airfoil blades ensure the lowest resistance to airflow in HVAC systems. This model may be installed vertica

Quick Start Guide Model KSQ (#486128 IOM)

KSQ HOOD ASSEMBLY Quick Start Guide Step 5 - Install Top Panel • Horizontal intake: 1. Apply sealant to the mating surface of the inlet panel 2. Place the top panel on top of both side panels and against the inlet panel (ensure side panels are inside the top panel) 3. Use the provided 5/16 inch fast

EM-30 Series

*W H dimensions furnished approximately 1/4 in. (6mm) under size. 3⅛ in. Airflow 1½ in. 1½ in. 3 in.* 5 in. 11⅛ in. * Optional counterbalance weights dimensioned (⅝ in. without weights) EM-30 No Flange EM-31 Flange On Discharge EM-32 Flange On Intake W x H Minimum Size Maximum Single Section Size Ma

FSD-211

"Width and Height dimensions furnished approximately 1⁄4 in. (6mm) undersize. Add sleeve thickness for overall sleeved damper dimension. Standard Optional Frame Material Galvanized steel Frame Material Thickness 16 ga. (1.5mm) Frame Type 5 in. x 1in. (127mm x 25mm) hat channel Blade Material Galvani

DFDAF-310

"Construction Standard Optional Frame Material Galvanized steel Frame Material Thickness 16 ga. (1.5mm) Frame Type 5 in. x 1 in. (127mm x 25mm) hat channel Blade Action Opposed Blade Material Galvanized steel Blade Material Thickness 14 ga. (2mm)equivalent Blade Type Double skin airfoil Linkage Plat

SMD-202

"LH RH W&H dimensions furnished approximately 1⁄4 in. (6mm) undersize. (Add sleeve thickness for overall sleeved damper dimension) Actuator is shown mounted internal left. Note: The frames are constructed with reinforced corners. Low profile head and sill are used on sizes less than 17 in. (432mm) h

SMD-201M

"LH RH W&H dimensions furnished approximately 1⁄4 in. (6mm) undersize. (Add sleeve thickness for overall sleeved damper dimension) Actuator is shown as left hand internal. External is available. Model SMD-201M is a leakage rated modulating smoke damper with 3V style blades. Model SMD-201M may be ins

SMD-201

"LH RH W&H dimensions furnished approximately 1⁄4 in. (6mm) undersize. (Add sleeve thickness for overall sleeved damper dimension) Internal left actuator mounting is shown. Standard Optional Frame Material Galvanized steel Frame Material Thickness 16 ga. (1.5mm) Frame Type 5 in. x 1in. (127mm x 25mm

SESMD-201

"LH RH W&H dimensions furnished approximately 1⁄4 in. (6mm) undersize. (Add sleeve thickness for overall sleeved damper dimension) Actuator shown is mounted internal left. Standard Frame Material 316SS Frame Material Thickness 16 ga. (1.5 mm) Frame Type 5 in. x 1in. (127 mm x 25 mm) hat channel Blad

SEFSD-211

"W H dimensions furnished approximately 1/4 in. (6mm) undersize. Add sleeve thickness for overall sleeved damper dimension. Right hand is shown. Left hand drive is available. Standard Optional Frame Material 316SS Frame Material Thickness 16 ga. (1.5mm) Frame Type 5 in. x 1in. (127mm x 25mm) hat cha

FSD-312

"Model FSD-312 is a high performance combination fire smoke damper with Class II leakage. High strength airfoil blades ensure the lowest resistance to airflow in HVAC systems with velocities to 4000 fpm (20.3 m/s) and pressures to 8 in. wg (2 kPa). Model FSD-312 may be installed vertically (with bla

FSD-331

"Width and Height dimensions furnished approximately 1⁄4 in. (6mm) undersize. (Add sleeve thickness for overall sleeved damper dimension). Right hand drive is shown. Left hand is available upon request. W x H Minimum Size Maximum Size Single Section Multiple Section Inches 8 x 6 32 x 36 (V) or 30 x

FSD-311M

"Standard Optional Frame Material Galvanized steel Frame Material Thickness 16 ga. (1.5mm) Frame Type 5 in. x 1 in. (127mm x 25mm) hat channel Blade Material Galvanized steel Blade Material Thickness 14 ga. (2mm) equivalent Blade Type Airfoil Blade Action Opposed Linkage Plated steel out of airstrea

FSD-311

"*Note: Maximum sizes are dependent on velocities and pressure. Width and Height dimensions furnished approximately 1⁄4 in. (6mm) undersize. Add sleeve thickness for overall sleeved damper dimension. Right hand drive is shown. Left hand drive is available upon request. Model FSD-311 is a high perfor

FSD-213

"FSD-213 Combination Fire Smoke Damper Application FSD-213 January 2024 Model FSD-213 meets the requirements for fire dampers, smoke dampers and combination fire smoke dampers established by: National Fire Protection Association NFPA Standards 80, 90A, 92, 101 105 IBC International Building Codes CS

SMD-302M

LH RH W and H dimensions furnished approximately 1⁄4 in. (6mm) undersize. Add sleeve thickness for overall sleeved damper dimension. Right hand is shown. Left hand drive is available. The SMD-302M is a leakage rated modulating smoke damper with airfoil blades for operational closure in emergency smo

SMD-302

"W and H dimensions furnished approximately 1⁄4 in. (6mm) undersize. Add sleeve thickness for overall sleeved damper dimension. Right hand is shown. Left hand drive is available. *Note: Maximum sizes are dependent on velocities and pressures. Model SMD-301 meets the requirements for smoke dampers es

SMD-301M

"W x H Minimum Size Maximum Size* Single Section Multiple Section Inches 6 x 6 32 x 50 128 x 100 mm 152 x 152 813 x1270 3251 x 2540 Size Limitations *Note: Maximum sizes are dependent on velocities and pressures. W and H dimensions furnished approximately 1⁄4 in. (6mm) undersize. Add sleeve thicknes

SMD-301

"*Note: Maximum sizes are dependent on velocities and pressures. W and H dimensions furnished approximately 1⁄4 in. (6mm) undersize. Add sleeve thickness for overall sleeved damper dimension. Right hand is shown. Left hand drive is available. Standard Optional Frame Material Galvanized steel Frame M