Air Flow Dampers

Dynamic Fire and Fire/Smoke Dampers come in large sizes.
Air Flow Dampers

Dynamic Fire and Fire/Smoke Dampers come in large sizes.

Non-actuated, 1.5 hr dynamically rated fire damper, Model DFDAF-310, is available in widths up to 144 in. and heights to 100 in. Electronically actuated, 1.5 hr fire resistance-rated airfoil blade combination fire-smoke dampers include Models FSD-311 and FSD-312, which also come in widths up to 144 in.Â- and heights up to 100 in.

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Vent Guard stops toxic plumbing stack sewer gas migration.
Air Flow Dampers

Vent Guard stops toxic plumbing stack sewer gas migration.

Available to fit 2, 3, and 4 in. diameter commercial building plumbing vent stacks and restaurant grease interceptor vents, SureSeal® Vent-Guard eliminates toxic sewer gas and odor egress and migration to nearby rooftop HVAC system air intakes. Maintenance-free product is constructed of EPDM rubber that withstands temperatures from -50 to 150°F. Design uses non-mechanical hinged...

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Air Flow Dampers

KB Duct to Showcase Newest Products at IWF Las Vegas July 22-25

Greensboro, North CarolinaÂ- – KB Duct, A CECO Environmental Company and leading supplier of pre-fabricated ducting products developed for environmental dust collection, will be showcasing both new and existing products in Booth #9640. Continually meeting industry's needs for safe and efficient dust collection, KB Duct will showcase the NFPA Compliant ATEX Certified Back-Draft Damper,...

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Air Flow Dampers

Air Measuring Dampers provide accurate control.

To control airflow volumes to target set point, thermal dispersion-based AMD-TD series combines functionality of thermal dispersion airflow station and control damper. Vari-Green® airflow measurement probes and transmitters enableÂ- airflow measurement down to 100 fpm. While factory-supplied controllers are available with analog or BACnet MS/TP operation, optional factory-supplied...

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IRIS DAMPERS
Air Flow Dampers

IRIS DAMPERS

The IRIS Damper is a brilliantly simple solution for fast and exact measurement, balance, and control of airflow. It is ideal for supply and exhaust tracking control, individual comfort control, and any space requiring accurate airflow regulation. Applications for the IRIS damper include office buildings, pharmaceuticals, clean room environments, and laboratories. Its unique design allows for...

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Air Flow Dampers

Backdraft Damper helps meet 2014 NFPA rquirements.

KB Duct Backdraft Damper helps installers meet 2015 NFPA requirements regarding installation of Explosion Isolation Device on all suction side ducts that transport material with KST value above zero. Constructed from heavy-duty welded steel, KB-NRV no-return explosion isolation valve protects workers and facilities from damaging effects of baghouse or filter explosion. Features include flanged...

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Dynamic Fire Dampers comes in sizes to 128 x 100 in.
Air Flow Dampers

Dynamic Fire Dampers comes in sizes to 128 x 100 in.

UL-Listed, non-actuated, dynamic fire dampers protect oversized openings in buildings. With fabricated steel 3V blade type, Model DFD-210 hasÂ- max size of 128 x 100 in. and 1.5 hr fire resistance rating. Model DFD-230 has max size of 72 x 48 in. with 3 hr fire resistance rating, while Model DFDAF-310, which features fabricated steel airfoil...

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Air Flow Dampers

Electric Spring Return Actuators Meet Fire Standards for Tunnels

In an emergency situation such a fire inside rail or road tunnels, or even underground passenger platforms, electric motor operated dampers in the ventilation system can act to clear smoke from the structure as well as to suppress spreading of the fire. Most electric actuators that operate these dampers are required to be failsafe". They are equipped with mechanical springs that open (or close)...

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Greenheck ICD Dampers Earn AMCA Efficiency Rating
Air Flow Dampers

Greenheck ICD Dampers Earn AMCA Efficiency Rating

Greenheck’s ICD series of Insulated Control Dampers have earned AMCA’s new certified rating of Energy Efficiency. This new test method, which is found in ANSI/AMCA standard 500D-12, assigns a damper a Thermal Efficiency Ratio (E) by comparing its thermal performance with the thermal performance of a standard reference damper. In addition to being certified for energy efficiency, the...

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Greenheck Damper Labels Now Feature Quick Response Codes
Air Flow Dampers

Greenheck Damper Labels Now Feature Quick Response Codes

AMD-33Greenheck has added Quick Response (QR) codes to the labels on its life safety dampers, control and air measuring dampers. Life safety dampers include ceiling radiation dampers, fire dampers, smoke dampers, and combination fire smoke dampers. When the QR code is scanned with a smartphone, it links to www.greenheck.com based on the model to provide instant access to product specifications,...

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Dies & Stamping Services with Over 25 Years of Experience
Sponsored

Dies & Stamping Services with Over 25 Years of Experience

PDS is an established leader in progressive die stamping, with a reputation for providing precision and value that dates back more than half a century. Through extensive capabilities and a staff of seasoned professionals, we set the standard for quality, delivering flexible services that can meet the needs of the most challenging requirements. See our video to learn more.

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