The Advanced Air Universal range of control dampers is designed to balance and/or control air flow through ducts, walls and floors, and may also be used to restrict the spread of smoke through a build. VCS3, VSC3SS, VCS3AL. Maximum face velocity is 1500 FPM. Starting at $259. Install a Balancing Hand Damper in the Bypass Duct. Round Air Balance Dampers; Opposed Blade Rectangular Dampers; Cable Control Air Balance Dampers; Pressure Relief By-Pass. MULTIPLE SECTION DAMPERS Typically, single rectangular dampers are manufactured in incremental sizes, up to maximum horizontal and vertical limits. The dampers can be installed in rectangular or circular ducts. Commercial round dampers are used in conventional air handling systems to control airflow in round ducts. Air Balance Rectangular Balancing Damper - 10"W x 6"H The AC 111 is a galvanized steel rectangular balancing damper equipped with a locking quadrant operator to assure the damper blade stays in place after adjustment. Konvekta products can be adapted to suit many different applications or tailored to meet specific requirements, providing complete air control solutions Energy saving dampers K100/K200 Balance/Control dampers K300/K400. Fast Free Shipping on orders $75+. The static damper is an economical alternative to an electrically controlled bypass damper. DAYTON Rectangular Balancing Damper,12x8, 22CV83. Rectangular Industrial Dampers Quick Reference System Rectangular Dampers - Round Commercial Dampers - Rectangular Industrial Dampers - Louvers - Balancing & Regulating Dampers Rectangular Industrial Dampers. Circular Fire Dampers; Square Fire Dampers; Externally Re-settable Fire Dampers; Intumescent Fire. Shake-proof, low maintenance linkage. Product Code Photo Specs Product Description Packed Case Pack CS. If you need a custom damper, contact the Take-Off Service at takeoff. Round Air By-Pass Dampers; Rectangular Air By-Pass Dampers; Back Draft Dampers; Barometric Draft Control; Duct Dampers. UTP – BALANCING DAMPER. Great Deals on Dayton Rectangular Balancing Damper, 12x8 - 22CV83, 22CV83 at SustainableSupply. Dampers (6-Pack) in Install Master Flow 4 in. Accessories available for the BT include a Multiple Outlet Plenum (MOP) for conditions requiring use of more than. 4"Deep Balancing Damper. Balancing & Regulating Dampers Quick Reference System Rectangular Dampers – Round Commercial Dampers – Rectangular Industrial Dampers – Louvers – Balancing & Regulating Dampers Balancing & Regulating Dampers. why buy from us? We're engineers passionate about home ventilation and serious about customer service – so you can count on us for carefully-selected equipment and expert advice to ensure your project is a success from specification to installation. This model can be built in one section up to 48″w x 60″h, if a larger size is required there will be an automatic multi-section charge for jack shafting. Greenheck’s remote balancing dampers offer industry leading features and are perfect for applications where manually operated dampers are inaccessible when i. reter to Installation instructions. Types include backdraft, balancing, butterfly & control dampers. 4"Deep Balancing Damper. Ball bearings and shaft packing glands standard. Housed in either a galvanised mild steel frame having integral peripheral flanges, with prepunched corner holes to suit proprietary duct flanges (Type FLA) or with spigot plates on both sides, for square, rectangular. Since volume control dampers are seldom if ever used with axial fans, only centrifugal fan applications will be considered here, and further limited to square/rectangular fan discharge openings. A variety of optional features make them extremely versatile, allowing their capabilities to be tailored to the application. Install Master Flow 4 in. Air duct dampers are also commonly known as HVAC dampers and duct dampers. 4) states that the dampers shall be certiﬁed in accordance with AMCA Publication 511 to have a maximum leakage of 10 cfm/ft 2 at 1 in. They are used as fan dampers, heating dampers, furnace dampers, air intake dampers, fresh air dampers, and kitchen fan dampers. The offered Volume Control Damper is designed and developed by our skilled workforce using optimum grade raw material that is obtained from the reliable vendors of the industry. The round aperture reduces air turbulence for quiet system operation. The hand operation requires turning the control handle,. Vent Fans Express is a leading internet supplier of Ventilation, Exhaust Fans and Air Moving Products. There is a separate assembly, measuring, balancing and maintenance instruction for this product. (432mm) high or less, Greenheck uses a low profile top and bottom frame section to maximize free area which allows for lower pressure drop and increases damper performance. Learn what these dampers do and when to use them. Can be specified as separate unit for field installation by using the designation VCS3. Honeywell ZD8X16 - 8 in. 3151-IF 24 VAC - 2 Position Rectangular Damper w/Interface Technology 3151: Spring Return Damper w/ Anti-Backlash 3100: Spring Return Damper - 120V. 8" X 8" thru 24" X 24" New & Improved Heavy-Duty Aluminum rectangular damper w/ Ecojay by Belimo motor Built to stand up to use and abuse SPEC SHEET SHIPPING TIME: 2 Weeks (because they are made to order) RETURNS for rectangular dampers require 35% restocking fee b. The face operating mechanism is screwdriver controlled. engineers an automatic balancing damper which Rectangular Flange. Round to Rectangular Duct Plate. Blades made of aluminium, casing made of galvanised steel. Note: Product availability is real-time updated and adjusted continuously. Multi-Blade Circular VCDs; Multi-Blade Rectangular Spigoted VCDs; Multi-Blade Flanged VCDs; Single Blade Balancing Dampers; Iris Dampers; Blast Gate Dampers; Balancing Dampers for Rectangular Plastic Duct; Fire Control. This model is less expensive and has a shaft seal, but does not have a blade seal. Looking for DAYTON Rectangular Balancing Damper, For Use In Low Velocity and Low Differential Pressure Systems (22CV83)? Grainger's got your back. Rectangular single-blade dampers can be used to control and isolate air flow in square ductwork. These duct dampers are movable plates that you place in the ductwork. Control Dampers. Damper Blades & Hardware. Ruskin's Commercial Control Dampers provide superior air control, high performance, and sustainable energy efficiency. Notched knock - over ; High density, closed cell gasketing bonds, the door to the frame. wide by 4 in. Find Similar Products by Category. It has a 24-volt motor used to control circulating air in heating, cooling and ventilating systems. Can be specified as an integral part of the air outlet by adding a D suffix to the model number of the desired grille. The damper blade is reinforced by the transverse embossing. Maximum face velocity is 1500 FPM. Slip in dampers allow you to install a damper but just cutting a simple slot in the bottom of a duct-No need to cut out an entire section. Round Manual Air Balancing Dampers; Rectangular Manual Air Balance Dampers; Cable Control Air Balance Dampers; Pressure Relief By-Pass. This solution provides precise control of inaccessible balancing dampers without disturbing the integrity of the architectural ceiling. DAYTON Rectangular Balancing Damper,12x8, 22CV83. Shop whirlpool damper in the duct dampers section of Lowes. com to learn more about Ruskin and our other top brands. In addition, NFPA 90A (1989) recommends a trip test of the closing operation of each fire damper bi-annually. US-DL is a supply/return drum louver with adjustable deflection blades and volume damper 30RS Steel heavy duty return grille, 3/8" blade spacing, 0 degree deflection, blades parallel to short dimension. Flat Channel ventilation ducting 204 x 60mm rectangular ducting. ZONEFIRST is the first company that successfully developed and marketed HVAC Zoning Systems back in the 1950's and is today a leading manufacturer of HVAC zone dampers and zoning systems. In this way, you can better regulate the temperature, especially between summer and winter months. Automatic intake dampers and manual balancing dampers are available in our range of products for various applications. Rectangular SBD’s shall be fabricated from mill. We are the world’s leading supplier of draft controls, draft regulators, and vent dampers that ensure safety and optimize the efficiency of heating appliances. Easy online ordering and next-day delivery available with 24/7 expert product support. Looking for DAYTON Rectangular Balancing Damper, 10x8 (22CV82)? Grainger's got your back. The damper can have a hand-operated damper mechanism, an externally-mounted actuator, or an actuator mounting. 4 is a side elevation of the damper balancing system illustrated in FIG. Damper Blade Hardware; HD Damper Blades; Standard Damper Blades; Damper Seals; Duct Reinforcements. Motorized Dampers are used to constantly regulate airflow and are operated by electric or pneumatic (Air Pressure) motors - each controlled by a thermostat or building automation system. FREE EMAIL NOTIFICATIONS auctions delivered to your inbox. It has a 24-volt motor used to control circulating air in heating, cooling and ventilating systems. RVCD is a mutileaf (multiblade) damper with rectangular frame. Install dampers at locations as indicated on the drawings and in accordance with the manufacturer’s recommendations. Aggressive research and development keeps Greenheck a major player in the damper industry. deep trusses. Dampers to have a maximum closed blade leakage of 27 l/s at 1000 Pa when measured on a 1000mm wide x 1000mm high damper. This model has a shaft seal and full circumferential blade stop. It has a 24-volt motor used to control circulating air in heating, cooling and ventilating systems. Sounds easy right?? BUT WHERE DO I GET A BALANCING DAMPER??? My duct measures 10" in height and 20" wide at the point where i want to put the damper. manufactures rectangular fittings in most sizes and configurations. MECHANICAL AIR SUPPLIES LTD IS A COMPANY. Register is a grille equipped with a damper control valve. Ruskin's Commercial Control Dampers provide superior air control, high performance, and sustainable energy efficiency. TrueZONE Rectangular Parallel Blade Damper - Overview The ZD is a power close and spring open damper. Van Metre Expert Casey Fauvre Shows How to Adjust Your Dampers According to Season. Damper Blades & Hardware. 1900 series damper with electrical and pneumatic actuator 1. Damper blades and shafts in AISI 316L. com or call (888) 664-4092. In the interest of product development, Air Balance reserves the right to make changes without notice. The Ravenscroft Fire Damper for plasterboard walls (also known as BSD-PW) combines a balancing damper and fire damper enabling a fast installation of the damper without any special framing. Nominal sizes 200 × 200 – 1500 × 800 mm, in increments of 1 mm; Casing, damper blade and actuator encasing made of temperature-resistant calcium silicate; Remote control with actuator. Closed blade air leakage to EN 1751, class 4. Commercial IN-LINE CEILING Ventilation Fans. They are available in Manual and Motorized. One of the most frequent problems that technicians face is how to determine the correct torque actuator for their damper. Kelair’s Butterfly dampers are applicable for open-closed service or flow control balancing. Round By-Pass Dampers; Rectangular By-Pass Dampers; Back Draft Dampers; Barometric Draft Dampers; Duct Dampers. Dampers meet international standards for rectangular and round ducts. The dampers have a fusible link and prevent the spread of fire and gases within the ventilation ductwork. Browse Dampers & Louvers in the R. Blades made of aluminium, casing made of galvanised steel. The hand operation requires turning the control handle,. They are available in Manual and Motorized. Find the best deal on Damper in USA. NCA also has an impressive line of louvers including AMCA listed, acoustical, operable and hurricane tested louvers. Its frame shape is a handicap in power plant work, however, where much ducting is rectangular. Find quality duct fans & dampers online or in store. Great prices & free shipping on orders over USD50!. All fittings are fabricated with stiffening beads on duct sizes 19" wide and larger which have more than 10 square feet of unbraced panel. Suspension Wire Adjustment Carefully remove the Current Balance from its ship-ping carton and remove any temporary balance sup-port material. Damper Installation Installation Instructions for Air Control Dampers. It features: Easy installation. Round Air Balance Dampers; Opposed Blade Rectangular Dampers; Cable Control Air Balance Dampers; Pressure Relief By-Pass. This damper uses the same quality aircraft grade aluminum. UL rated fire/smoke dampers also block out heat and smoke to contain or vent harmful fumes and slow the spread of fire. The opposed blade operation is complimented by foam blade edge seals to facilitate a shut off. Honeywell ZD8X16TZ - 8 in. Get up to 6% cash rebate on you purchases. A SELECTION OF ROOF TERMINALS Provide the answer to weathering most roof penetration quickly and easily, manufactured in hard wearing GRP, Galvanised steel. Flexible Ductwork; Housing & Screws; Lightning Band; Quick Release Clip. Easy online ordering and next-day delivery available with 24/7 expert product support. Great prices & free shipping on orders over USD50!. The MDRS25 Manual balancing damper has a 7" frame and a butterfly blade. Rectangular Parallel Blade Damper - Overview The ZD is a power close and spring open damper. and is optional. Get best price and read about company and get contact details and address. NCA’s extensive line of dampers range from air control and balancing to life safety applications. 175-X Round Damper Sleeve with Damper Handle Standoff A. the blade has a counter-balance weighted arm that can be adjusted to open when necessary. Closed blade air leakage to EN 1751, class 4. com is your source for HVAC zone dampers, forced-air zone controls & HVAC zoning control system accessories. The 'EZ Balance' hand held remote. Ø 355-630 fullfills pressure class B in closed position. damper operates through a 450 arc, providing throttling (by-pass) capability in all damper positions. Ce site utilise des cookies pour améliorer votre expérience. Rectangular SBD’s shall be fabricated from mill. Circular Fire Dampers; Square Fire Dampers; Externally Re-settable Fire Dampers; Intumescent Fire. Alan Manufacturing, Inc. Damper installed to help balance air. Thermal Associates and Venmar Ventilation showcase, Heat Recovery Ventilators and Energy Recovery Ventilators for Indoor Air Quality. Ecojay SmartZone is the best replacement for an older zoning controller OR upgrading to zoning for the first time. 14 Power-Operated Dampers 2. Do be mindful when you add a damper, though, as your home's. Blade will extend into airstream in most cases. The damper blade is reinforced by the transverse embossing. This shopping feature will continue to load items. The Young Regulator EBDR is an opposed blade rectangular Electronic Balancing Damper. Depending on the configuration of the damper linkage, the damper. Air duct dampers are also commonly known as HVAC dampers and duct dampers. Do be mindful when you add a damper, though, as your home's. The ceiling damper can fill the ceiling opening (See Figure 3) or the ceiling damper mounts onto the reducted neck of a surface mounted diffuser (See Figure 4). C&S Air Products are backed by a 5-year warranty, an exceptional customer service department, product training and fast shipping. Damper Maintenance Greenheck's dampers are designed to be trouble free and hassle free under normal operation. Great prices & free shipping on orders over USD50!. The opposed blade design is preferred to a single blade damper because it distributes the air evenly over the face of the damper for less noise and turbulence. Ideal for use in sheet metal or fiberglass ducts. Spring Return | 2 Wire Motor; Power Open Power Close | 3 Wire Motor; VAV Modulating Dampers. Download Brochure Product Submittal. Kele offers the following types of commercial volume control dampers:. 2 Wire Spring Return; 3 Wire Power Open / Power Close; Zone. high rectangular damper with plenum box assembly. Commercial IN-LINE CEILING Ventilation Fans. It consists of a rectangular sheet metal box, typically lined on the interior with insulation, with a round inlet and rectangular outlet. Eddy currents can remove energy from dynamic systems without any contact and, thus, without adding mass or modifying the rigidity of the structure. Visit our website for a complete selection. The Bypass Damper is the most common tool available to manage airflow and static pressure in a zoned HVAC system. Air Balancing Dampers. Balance the. 4" Deep Balancing Damper, Single Thickness Blade, Galvanized Steel Construction, 250F Max Std. Cable operated dampers are the most convenient and economical way to balance air flow through the face of a diffuser. Dampers can be used to block off or divert flow of air and fumes in a PVC duct system. MODEL 202 dampers are used to control airflow for balancing a system. Damper blades and shafts in AISI 316L. 450 Riverside Dr • Wyalusing PA, 18853 • Phone 570-746-1888 • Fax 570-746-9286 MODEL 293 4 Blade • Insulated • For Use in Static Systems • Rectangular Ceiling Radiation Damper February 2013 SD-293-13. Round By-Pass Dampers; Rectangular By-Pass Dampers; Back Draft Dampers; Barometric Draft Dampers; Duct Dampers. The damper blade is reinforced by the transverse embossing. Typically they are used to balance duct pressure on HVAC systems which are utilizing multiple Zone Dampers. Each branch should have a balancing damper installed. Nailor Balancing Dampers are ruggedly built and designed for manual balancing applications. Our dampers meet air leakage requirements set by ASHRAE, AMCA, and the International Energy Code Council (IECC), which encourages energy conservation efficiency in building envelope design and may also assist in obtaining. Round Butterfly Dampers. Balancing Forced Air Heating & Air Conditioning Air Flow Some rooms are colder than others, or a forced air system works well for heating but not air conditioning. Control, Balancing & Backdraft Dampers Nailor offers a comprehensive line of damper products for airflow control in commercial and industrial HVAC systems. Shop duct fans & dampers in the hvac duct & fittings section of Lowes. The Honeywell ZD damper is a power close and spring open damper. If the mounting plate and actuator is on the longer dimension the damper is referred to as a bottom-mount damper. The Advanced Air Universal range of control dampers is designed to balance and/or control air flow through ducts, walls and floors, and may also be used to restrict the spread of smoke through a build. A variety of energy efficient duct dampers, in-line backdraft and air control dampers for use with range fans, bath fans, zoning, commercial ducting and other exhaust and intake applications. Damper Maintenance Greenheck's dampers are designed to be trouble free and hassle free under normal operation. Air Balancing Dampers. Round dampers rotate in 45-degree increments, while rectangular ones rotate at 90-degree. Circular Fire Dampers; Square Fire Dampers; Externally Re-settable Fire Dampers; Intumescent Fire. Honeywell ZD8X16TZ - 8 in. The heavy neoprene blend on top and bottom ensures a tight rattle free seal and they are ribbed for strength and extruded from lightweight aluminum. Install balancing dampers with the blade in the horizontal position. Select an MEP fabrication ductwork part that includes a damper. Round Industrial dampers, balancing and isolation; Round heavy duty dampers, balancing and isolation; Round reinforced heavy duty dampers, balancing and isolation; Round axial flow dampers; Rectangular balancing dampers, backdraft, parallel or opposed blade. For example, backdraft dampers and pressure-relief dampers may seem similar, but they offer very different solutions. The Waterloo PRD pressure regulating dampers are designed to maintain a preset constant pressure differential across a partition wall or within a duct system. Precise blade positioning is achieved via arobust dual-purpose quadrant and spindle assembly, operating thelinkage mechanism which is located outside of. Price is able to provide you with: Dynamic/Static Fire, Combination Fire/Smoke, Smoke, Ceiling, Control, Balancing and Backdraft Dampers for all of your application requirements. Spring Return | 2 Wire Motor; Power Open Power Close | 3 Wire Motor; VAV Modulating Dampers. System Air Dampers. 7 grain above and below target load. 06" x 06" Rect Manual Volume Damper (MD25) Code : RUSMD150606 Ruskin manual balancing damper (MD25) Previously MD15; Designed especially for manual balancing applications with square/rectangular ductwork. This article describes the types, features, & operation of automatic dampers used to close off building areas or HVAC ductwork sections or zones in the event that a fire (heat) or smoke is detected in a building. Ruskin's Commercial Control Dampers provide superior air control, high performance, and sustainable energy efficiency. Ruskin works with a variety of materials, including galvanized steel, stainless steel, aluminum and fiberglass to match your exact specifications. • Manual Balancing Dampers — feature a hand-adjustable quadrant, to easily set once your system flow is achieved. Air Balance Balancing Dampers are made with nylon bearings and galvanized steel frame and blade for last. It features: Easy installation. Damper Actuator Sizing Chart. A damper can control the flow of air in your ducts, changing the output to different levels of your home or different rooms by as needed. NCA is a brand of Metal Industries Inc. 025 aluminum blades are attached to the frame with 1/4″ round plated rod and bronze bushings. We offer Severe Environment Dampers in many models. 24 guage flanged frame and double panel galvanized steel door, guage depends on size. high fabricated from 6pcf, 1-1/2 to 2 in. NCA also has an impressive line of louvers including AMCA listed, acoustical, operable and hurricane tested louvers. Pressure Relief dampers have an adjustable open trigger pressure and close upon a decrease in the differential pressure across the damper. Order Ceramic Rectangular Vessel Bathroom Sink with Faucet and Overflow By American Imaginations with free shipping online. Slip in dampers allow you to install a damper but just cutting a simple slot in the bottom of a duct-No need to cut out an entire section. Aggressive research and development keeps Greenheck a major player in the damper industry. This video is a step by step instruction video on the installation of a retrofit damper. Vee Blade (V-Blade) Dampers. The experimental test bed consists of a one-degree-of-freedom vibration isolation system and is used for the frequency and transient time response analysis of the system. Rectangular Industrial Dampers Quick Reference System Rectangular Dampers – Round Commercial Dampers – Rectangular Industrial Dampers – Louvers – Balancing & Regulating Dampers Rectangular Industrial Dampers. Discover the variety of industrial-grade damper products available at Kelair. Round Dampers measure 4-1/2" deep, while Rectangular Dampers and Square Dampers measure 3-1. *Specify model SBD - 8”, 10” , 12”, 14”, 16”,18”, 20” Furnish and install a Model SBD self-balancing bypass damper manufactured by EWC Controls. Reference specific installation instructions supplied with damper operator for motorized dampers. Crisper transparent plastic box rectangular sealed box refrigerator dedicated refrigerated food storage box commercial with cover Click on the ↑↑↑ Sub-category ↑↑↑ to filter more related products. Casing air leakage to EN 1751, class C. 00 (1 new offer) Speedi-Products AC-VDQ 06 6-Inch Diameter Galvanized Duct Volume Damper w/Quad. 15 Fire Dampers and Wall Collars 2. 3 MATERIALS 2. Ø 80–315 fullfills pressure class C in closed position. 06" x 06" Rect Manual Volume Damper (MD25) Code : RUSMD150606 Ruskin manual balancing damper (MD25) Previously MD15; Designed especially for manual balancing applications with square/rectangular ductwork. In the open position, the blades face the direction of flow and do not cause a significant pressure loss. Visit Kele. Size: 208896 Created: 04/09/2008 14:11:01 Modified: 04/07/2008 21:11:06 Control Damper - Automatic - Rectangular. Iris Dampers utilize interlocking steel plates to create a circular aperture for precision airflow dampering control. The Young Regulator 830ACC is the rectangular, opposed blade damper designed to work with any of the many Bowden Cable Controls. Great prices & free shipping on orders over USD50!. Dampers meet international standards for rectangular and round ducts. We have been Canada's premiere industrial supplier for over 125 years with superior service and quality. Great prices & free shipping on orders over USD50!. Dampers (6-Pack) in individual runs of round pipe in an HVAC system (each sold separately) to balance and adjust the flow of air. If you need any assistance, please call our trusted sales representatives 1-888-739-8400. Owing to reliable performance, rust resistance, durability and low maintenance, this volume control damper has gained high popularity in the market. Dampers use a door mechanism that opens to allow more air flow, or closes to reduce air flow within a particular zone. Looking for DAYTON Rectangular Balancing Damper, For Use In Low Velocity and Low Differential Pressure Systems (22CV83)? Grainger's got your back. The heavy neoprene blend on top and bottom ensures a tight rattle free seal and they are ribbed for strength and extruded from lightweight aluminum. Today, we offer a complete line of HVAC dampers and air control products including volume control, balancing, round, zone, fire, smoke and combined models. Body length equals diameter plus 4″(L=D + 4). Flow meters are used to decide airflow rate in a duct system. One of the most frequent problems that technicians face is how to determine the correct torque actuator for their damper. In the open position, the blades face the direction of flow and do not cause a significant pressure loss. At RetroZone, retrofit damper applications is our specialty! Also see our award winning "Flexdamper" retrofit damper systems if you need more than just a few retrofit dampers. The opposed blade operation is complimented by foam blade edge seals to facilitate a shut off. The experimental test bed consists of a one-degree-of-freedom vibration isolation system and is used for the frequency and transient time response analysis of the system. and is optional. This article covers the five primary types of dampers: control dampers, balancing dampers, backdraft dampers, multi-zone dampers, and industrial dampers. More Buying Choices $100. 2 Brazing Materials 2. Johnson Controls is committed to customer satisfaction, and that's why we custom-build each of our HVAC dampers to suit your specific size and model requirements. Requirements for duct insulation. You might be able to increase the fan speed, but there are limits. Air Balancing Dampers. 12" x 8" Rectangular Duct Volume Damper. Single Blade Rectangular Balancing Damper Quick Specs. The maximum outer dimensions of the plenum box assembly is 23-1/2 in. Ø 80-315 fullfills pressure class C in closed position. Home > Johnson Controls > Johnson Controls Valves, Dampers, and Actuators > Damper We found 178 results matching your criteria. The damper is available in power open/power close, power close/spring open, and power open/spring close. A complete line of damper products for fire and smoke control in life safety systems and for airflow control in commercial HVAC and industrial systems. Tog-L-Loc® Reinforced Corner Frame - Tog-L-Loc® Advantage. Find your DAYTON RECTANGULAR BALANCING DAMPER,12X8 at Acklands-Grainger. Dampers above a hard ceiling or in any inaccessible location can be controlled with the EBDP – Electronic Balancing Damper Positioner, which opens and closes the damper and provides a visual indication of the damper position with an LCD meter. MULTIPLE-PANEL DAMPERS Multiple-panel dampers will be tagged for ease of assembly (see fig. • motorized damper is 4 cfm/ft2 (see Table 6. You can change the relative resistance by putting dampers in, but if there a lots of leaks, and the sizes, both to the downstairs and upstairs aren't adequate for the required flow to distribute the required heat, it won't help much. Take-off Duct Balancing Made Simple. Round Dampers measure 4-1/2" deep, while Rectangular Dampers and Square Dampers measure 3-1. This video is a step by step instruction video on the installation of a retrofit damper. Rectangular Duct Damper Langdon, Inc. Whether it is required to modulate, shut off, bypass, relieve excess or dangerous pressure or just used for balancing. save metal by using a smaller duct Balancing Dampers. com 3-1/4-inch x 10-inch rectangular vent damper kit. Several other major zoning companies are in business due to ZONEFIRST. balancing dampers that are totally inaccessible after the ceiling has been installed. Round Dampers measure 4-1/2" deep, while Rectangular Dampers and Square Dampers measure 3-1. When secunng dampers with sheet metal screws. The ceiling damper can fill the ceiling opening (See Figure 3) or the ceiling damper mounts onto the reducted neck of a surface mounted diffuser (See Figure 4). The inlet includes an airflow sensor that can be used to monitor the amount of air flowing through the unit, and a damper assembly that modulates the amount of air passing through the terminal. i-Vu® Building Automation System Rectangular Zone Damper with VVT® Zone II Controller The VVT rectangular zone damper with VVT Zone II controller is a component of Carrier’s i-Vu Building Automation System. Balancing Dampers. 3-95 2RS267 AND 2RB267 OPPOSED BLADE DAMPERS 5. Accessories including cable and mounting plates also are available. , Damper Depth 3-11/16 In. The damper can be used for regulating at rare occations. The heavy neoprene blend on top and bottom ensures a tight rattle free seal and they are ribbed for strength and extruded from lightweight aluminum. Energy Efficient Butterfly Duct Dampers are installed in round ductwork to prevent backdraft damper protection from air leakage. Every damper is built with performance in mind and tested per AMCA standards in Ruskin's Laboratory. It provides accurate and precise airflow for VVT applications. Circular Fire Dampers; Square Fire Dampers; Externally Re-settable Fire Dampers; Intumescent Fire. The blades are formed 16 gauge galvanized steel with linkage in the airstream for better blade operation. System Air Dampers. • motorized damper is 4 cfm/ft2 (see Table 6. Find Similar Products by Category. Adjust airflow without accessing the ceiling Available with cable lengths of up to 15' Opposed blade action Rigid extruded aluminum frame. Operational testing and calibrating are completed at the factory prior to installation. This hooded wall vent comes with a positive seal, removable back draft damper, hooded wall vent with a short tube and a 1/8 inch insect screen. 4) states that the dampers shall be certiﬁed in accordance with AMCA Publication 511 to have a maximum leakage of 10 cfm/ft 2 at 1 in. The Roto-Twist® series of radial, round, and rectangular cable operated dampers are designed to allow damper adjustment through the face or the diffuser or grille, or from a small access point in the ceiling or wall. Manual Balancing Dampers. Spring Return | 2 Wire Motor; Power Open Power Close | 3 Wire Motor; VAV Modulating Dampers. Save on Balancing Dampers and Ventilation, Louvers and Dampers and 700,000 industrial and maintenance supplies at SustainableSupply. Single Blade Volume Control Balancing Damper AC517/AC518 Steel Control Damper A1770 Parallel/Opposed Single Thickness Blade Control Damper A182 Parallel/Opposed Single Thickness Blade Stainless Steel Control Damper A395 Parallel/Opposed Single Thickness Blade Low Leakage Control Damper Adjustable Linkage AB1/AB2. The duct cap is used to terminate or block off a rectangular duct run in HVAC systems. rectangular balancing damper. MANUAL BALANCING DAMPER STEEL SINGLE BLADE Model 1870 Manual Balancing Damper is a ruggedly built, economical branch duct balancing damper designed for manual balancing applications with rectangular ductwork.