A backdraft damper, or isolation damper, from Grainger helps to allow airflow in one direction and prevent reverse airflow. AVERTISSEMENT! Greenheck Product # 483623. This test method, which is found in American National Standards Institute (ANSI)/AMCA Standard 500D-12, assigns a damper a thermal efficiency ratio by comparing its thermal performance with the thermal performance of a standard reference damper. w.g. Greenheck offers a wide variety of ENERGY STAR® certified models saving you money while providing quiet ventilation. Model Series: 3900 Insulated Thermal-Break Control Damper. and shall be AMCA Certified. (32 kg) All dimensions in inches (millimeters). Fans, circulators, blowers, fume and lab exhaust . 7 Actuator Mounting Options Actuators must be factory mounted. ; Shut off damper DAS/DASL stops about 95% of air during full closing stage. AIR MOVEMENT. Designed to withstand temperatures as low as -70°F, the control damper's thermally broken frame provides an insulating barrier in the ductwork. The minimum space allowed is 182.575 millimeters (7.188 inches) and is the default in CAPS. They provide a durable, practical, and inexpensive means of gaining access to damper components inside the ductwork. All have a variety of accessories, blade, head and sill designs to fit your application. AIR CONTROL. The IL35 is IECC (International Energy Conservation Code) com- pliant with a leakage rating of less than 4 cfm/ft2 @ 1 in. Regulating damper DAR/DARL passes about 30% of air with a possibility of full opening of a duct. Greenheck’s systems and products are used in commercial, institutional and industrial buildings. LEARN MORE. Today, we design and manufacture a comprehensive line of top performing equipment and accessories that move, control and condition air. • For general ventilating use only. Greenheck’s Computer Aided Product Selection (CAPS) program contains the necessary data and greatly simplifies actuator selection. A complete line of damper products for use with fire and smoke control in life safety systems and airflow control in commercial HVAC and industrial systems. Pour réduire le risque d’incendie, de choc électrique ou de blessure corporelle, respecter cd qui suit: • Appareil pouvant être utilisé avec un régulateur de vitesse à semi-conducteurs. The damper works well in applications as an automatic control or manual balancing. Añadir a favoritos . They provide a durable, practical, and inexpensive means of gaining access to damper components inside the ductwork. A new brochure details the manufacturer's low-leakage insulated control damper (Model ICD). Products tested and classified in accordance with UL555C. It is also AMCA-certified for pressure drop and leakage. Choose from extruded aluminum or galvanized steel louvers. Cantidad: Seleccionar . Model ICD's damper frame has two thermal breaks with dual polyurethane resin gaps and is insulated on all four sides with polystyrene. Hurricane winds start at 75 mph. The IL35 is a low leakage thermally insulated blade damper with galvanized steel interlocking blades. Dampers (Rectangular) Model SEVCD-23 Low Leakage Control Damper; Model ICD-45 Insulated Control Damper; Model ICD-45 Insulated Control Damper ; Model VCD-23 Control and Low Leakage Control Dampers; Model VCD-33 Damper; Model … and 11 cfm/sq. We began as a fan company in 1947. Doors . Additional features including LED lights, integral motion or humidity sensors are also available with many of our ENERGY STAR® certified bath fans. Can’t find what you’re looking for? ft. @ 1” w.g., 8 cfm/sq. Centrifugal Roof Exhaust Fans. This large selection offers wall-mount and roof-mount backdraft dampers. Backdraft dampers allow airflow in one direction and prevent reverse airflow. Shop Greenheck Backdraft Dampers Backdraft dampers (also called gravity dampers) allow airflow in one direction and prevent reverse airflow for use in exhaust or intake HVAC systems. Damper shall meet or exceed the IECC (International Energy Conservation Code) building envelope requirements for maximum damper leakage ratings of 3 cfm/sq. Leakage: ***** Dampers shall have a maximum leakage of 3 cfm/sq. Each meets or exceeds the industry’s most stringent test performance standards and provide exceptional aesthetic appeal. Envío Gratis. Backdraft Dampers . High Wind and Hurricane - G and GB Greenheck is leading the High Wind Standard for roof top fans and ventilators. VCD-34 is a low leakage control damper that has insulated fabricated airfoil blades. Ratings. Round Access Door, For 10 Inch Duct Diameters, Insulated. CAUTION! Smoke dampers are UL555S tested and labeled, low leak damper and actuator assemblies constructed to restrict the spread of smoke in HVAC systems that are designed to be automatically shut down in the event of a fire, or opened to control the movement of smoke within a building when the HVAC system is part of an engineered smoke control system. Please feel free to contact our Aftermarket Support Team for further assistance. • Increases Free Area - Traditional damper designs with a single blade width require oversized blade stops, limiting free area when the blades are open (Figure 1). This allows a Greenheck control damper to be mounted in either direction of flow, an advantage when installing with space constraints. Control Dampers. Forceful winds and wind-borne debris are the cause of most hurricane damage. GREENHECK ARTICLES . View other RADI products . ft. @ 4” w.g. Greenheck louvers are available in endless standard configurations. $52.02 . insulated to a value greater than R40. Backdraft dampers can either be operated by gravity (where pressure or velocity opens and closes the damper) or motorized to open and close when required. Insulated Housing - For noise reduction and condensation control, the interior of fan housing and filter box can be lined with a fiberglass duct liner.... Open the catalog to page 4 41/4 (108) Damper Size (Outlet Side) = 93/4 x 87/8 (248 x 225) Housing Thickness = 20 ga. ^Approximate Unit Weight = 70 lb. Parallel/Opposed Single Thickness Blade Stainless Steel Control Damper 395 Parallel/Opposed Single Thickness Blade Low Leakage Control Damper Adjustable Linkage 495/496 Parallel/Opposed Single Thickness Blade Control Damper 515SAF/516SAF Parallel/Opposed Airfoil Blade Control Damper ID200 Parallel Double Thickness Insulated Blade Control Damper Certified Products. Can be used in applications as an automatic control or manual balancing damper. Greenheck damper representatives have or can obtain the necessary information to properly apply all actuators that are UL Qualified for use with Greenheck combination fire smoke dampers. The blade insulation of the IL35 carries an R value of 3.3 and with the low leakage blade and jamb seals, the IL35 helps eliminate the transfer of heat or cold. Greenheck’s damper interactive selection guide removes the guesswork. Dampers are made in diameter range from 80 mm to 630 mm of galvanized, aluminium and acid-resistant sheet. Learn More . Do not use to exhaust hazardous or explosive materials and vapors. Greenheck's new low-leakage, Insulated Control Damper (Model ICD) is ideal for outdoor air intake systems. How to Properly Specify Life Safety Dampers Specifying the proper damper for a given application can literally be the difference between life and death. View More View All Sort & Filter. LEARN MORE. Spun Aluminum • Downblast. Life Safety Dampers . Damper Applications Greenheck offers an extensive line of heavy-duty and industrial grade dampers designed to provide a solution for the following applications: Control and Isolation The rectangular HCD and round HCDR products are designed for control and shut-off applications. LEARN MORE . Learn More . Price. Control dampers regulate the … From Actuators and Enclosures to Fusible Links and Jack Shafts we offer all the replacement parts you need to keep your Greenheck dampers operating at peak performance. View and Download Greenheck ICD-44 instruction manual online. For some applications, it is essential that thermal conductivity be kept at a minimum. Ruskin's Insulating Control Dampers are perfect for performing this task. 400 Ross Ave. Schofield WI 54476 UNITED STATES (715) 359-6171 (715) 355-2399 www.greenheck.com. California Residents - Prop 65 Warning Specifications Enter your name and email address Your email address will not be stored by us unless you join our mailing list indicated below VCD-34V is a low leakage control damper with insulated vertical fabricated airfoil blades. View and Download Greenheck LFC-15L-FC instruction manual online. Find blade type, velocity, pressure, AMCA listings, submittals, drawings and more, all in one easy-to-use format. Access doors are designed for use in low to medium pressure duct systems. EXPLORE. Dampers, louvers and … Choose the mounting style and size that will fit your roof exhaust needs when you shop for an isolation damper, or backdraft damper, from Grainger today. Greenheck Fan Corporation. The blades are thermally broken and filled with polyurethane for superior insulating characteristics. Which damper best fits the application? Control damper products for commercial applications. Access doors provide an easy means of reaching damper components inside the ductwork. A complete line of damper products for use with fire and smoke control in life safety systems and airflow control in commercial HVAC and industrial systems. Añadir a comparar . Damper products for life safety systems and for airflow control in commercial HVAC systems. Email this page . Greenheck models G and GB centrifugal roof exhaust fans provide the industry’s best performance and durability for ge and can exert a force of 75 pounds per square foot of pressure—or over 900 pounds on a fan and curb. ft. @ 8” w.g. A: The damper location for all multi-blade models (FSD, SMD, VCD and DFD-210 series) is referred to as the A dimension (distance from end of sleeve to face of damper). Drop and leakage leakage ratings of 3 cfm/sq cause of most Hurricane damage that move, control condition! Damper to be mounted in either direction of flow, an advantage when installing with constraints! 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