WebWD-200 series backdraft damper to motorized operation. Airflow direction can be vertical or horizontal. These versatile motor packs feature power opening with spring return. The springs also provide damper closure in the event of electrical failure. The MP-210 and MP-220A motor packs are available in voltages of 24, 120, 208, 220, and 440. http://mgmt.greenheck.com/products/category/4?lang=en_US
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WebThe FSD-211 is a combination fire smoke damper with 3V-style blades. This model installs in walls, floors, or partitions and is rated for airflow and leakage in either direction. Pressure: Up to 6 in. wg. Velocity: Up to 2,000 fpm. Temperature: Up to 350°F. 10-Day Fixed Lead Times on Select Configurations. Watch Now to Learn More! Certifications: WebThe WD-320 series dampers are designed to prevent reverse airflow in horizontal exhaust applications. The WD-320 features a pressure sensitive blade design that opens and remains open under low velocity conditions. The dampers are opened by air pressure differential and closed by gravity. canning fire roasted tomatoes
Backdraft Damper, Vertical Mount, Product # BD330-12X12 Greenheck
WebFace and Bypass Control Dampers. Damper Selection Guide. Which damper best fits the application? Greenheck’s damper interactive selection guide removes the guesswork. … WebDamper Maintenance Greenheck’s dampers are designed to be trouble free and hassle free under normal operation. Dampers are to be installed square and straight so as to … WebThe WD-320 series dampers are designed to prevent reverse airflow in horizontal exhaust applications. The WD-320 features a pressure sensitive blade design that opens and remains open under low velocity conditions. The dampers are opened by air pressure differential and closed by gravity. Galvanized steel frame with flange on the discharge side. canning flow chart