WebBD-300 Series. The BD-300 series backdraft dampers mount vertically to allow horizontal airflow and prevent reverse airflow. Dampers in this series: BD-300 with a flange on intake, BD-320 with a flange on discharge and BD-330, which does not have a flanged frame. All dampers in this series open by air pressure differential and close by gravity. WebCombination Louver/Damper, Drainable Blade Extruded Aluminum Standard Construction Frame Heavy gauge extruded 6063-T5 aluminum, 4.1 in. (105 mm) x 0.081 in. (2 mm) nominal wall thickness Blades Drainable design, heavy gauge extruded 6063-T5 aluminum, 0.081 in. (2 mm) nominal wall thickness, positioned 45º on approximately 4 in. (102 mm) …
Air Control Greenheck
WebBrowse over 25,000 products and parts from Greenheck. Enjoy free, same-day shipping on all in-stock orders over $25. Back to Greenheck.com. ... Gravity Ventilators; Dampers; Energy Recovery Ventilators; … WebParts & Accessories. The WD-100 series are horizontally mounted backdraft dampers designed to allow vertical airflow up and prevent reverse airflow. The dampers are opened by air pressure differential (assisted by springs) and closed by gravity. The damper features a flangeless, galvanized steel frame and aluminum blades. fischer academy standort
Dampers - Greenheck-USA
WebAll Products Catalog WebAll Damper Products Greenheck Fan Corporation warrants this equipment to be free from defects in material and workmanship ... transportation prepaid. For model ABD only, … WebA wide variety of products for use in intake, exhaust, or mixed air applications. Round control dampers are used in buildings to regulate the flow of air in an HVAC system. These can be used in intake, exhaust, or mixed air applications. The VCDR and VCDRM series are configurable to meet the requirements of most commercial applications. fischer accessories necklace