Duct dampers

Call factory for pricing and informationCommercial Rectangular Mechanical Dampers, Heavy duty galvanized, Aluminum, or Stainless Steel Construction. The damper is installed upstream of the diffuser with the control cable outside the airstream. DuroZone Pressure Relief Dampers are used to relieve excess air pressure created when less than all the zones of a duct system are calling. Duct Dampers. 00. Compare. Through our online store and Boston-area showroom. About 90% of these are hvac systems & parts, 2% are valves, and 1% are other furniture hardware. Multiple-blade fire dampers generally offer greater restriction to airflow than a curtain-type fire damper for the same size duct. Smoke dampers can be closed and prevent the circulation of air and smoke through a duct or ventilation opening in a smoke barrier. R. Install back-draft dampers where the exhaust duct meets the exhaust fan in each fan unit. 3. 69 $ 6 69 Prime. Dampers located directly behind an outlet tend to be noisy. The damper can be fitted to partitions or brick walls, on plenums or duct mounted. I am noticing a few similarities between how water moves in a plumbing system, how current moves in an electrical system, mechanically pulling electrical cable through ducts (think a duct and manhole system, not hvac ductwork) and how air flow moves through an HVAC system. Find here Duct Dampers suppliers, manufacturers, wholesalers, traders with Duct Dampers prices for buying. The Flexdamper's lower unit cost makes zoning practical in retrofit, multi duct systems that may need several dampers per zone cutting material and labor costs by thousands. Question: Where to place smoke detectors in the ductwork on commercial projects to comply with code? In this case the NFPA 90A requirements for HVAC systems and ductwork. Series 0200 Thinline Frame Dampers are only 2" (51) deep making them ideal for installation in narrow fire rated partitions, transfer duct openings, behind grilles or in any other application where space is limited. , through its nearly quarter century existence, has designed over 1,000 different product's including all standard HVAC dampers, related hardware, duct supports and zone control systems as well as specialized items that meet the needs of its customers. See, for example, the appropriate sections of Chapter 11 of Volume 1 (Gas-Fired Furnaces). Fasteners may be used as followed. Used to stop or otherwise regulate airflow. Control airflow to individual rooms. PVC Duct Butterfly Dampers. the zone panel is responsible for supplying a 24vac signal to either the po (power open) or pc (power closed) terminal of these dampers. They can be preset by the installer to maintain a specific air volume in m3/h, by mean of a screw. But it increases the static loss. Shop our selection of high quality Duct Work from top Ventilation Products manufacturers at Wholesale Prices & w/ Free Same Day Shipping - Buy our Duct Work bundled together with other Ventilation Products & get Extra 15% off using our VIP Membership. Looking for duct dampers? Lindab has over 30 years’ experience of supplying ventilation solutions to anything from cruise and container ships to oil rigs. This damper is easy to install and easy to checkout. Step 7 - Secure the damper with the supplied sheet metal screws on each end of the unit and seal the seams with a good quality aluminum duct tape. Langdon, Inc. These are widely used for control and balancing of supply and extraction of air systems, where high pressures and velocities may be experienced. Curtain-type dampers are the most common and consist of a “curtain” held up by a fusible link. Duct & Dampers. com is the leading internet supplier of Duct and System Air Dampers, Duct Fans, Duct Installed Products and Duct Fabrication Products. Find the air conditioning duct trunks that lead out from the furnace. com. Duct Products are their local agent and have helped establish them as market leader within Northern Ireland. DAMPER SIZE TO ensure operation, dampers be crly sized for the air duct. above with a maximum of two #10 sheet metal screws on each side and on Fixing Hot and Cold Spots in Your House, For Forced Air Systems Only - Duration: 5:30. NEW! Self Stick Round Conical Cable Operated Damper Conicals Not Sold Separately. Compare Fantech Iris Fan Damper models, specs and prices. outside the duct, the access doors should be increased to at least 24 inches x 16 inches in size to allow a person to enter the duct. With all the balancing dampers open, the air conditioning air flow isn't restricted. Suncourt 6-Inch Normally Open Electric HVAC Duct Damper & Power Supply. Low leakage or ultra-low leakage dampers incorporate a seal along the edge and the side of the blade to minimize leakage when the dampers are fully closed. The top supplying countries are China (Mainland), South Korea, and Poland, which supply 97%, 2%, and 1% of duct fire dampers respectively. catalog including Motorized Damper Systems and Products,Manual Damper Systems and Products,Damper Hardware and Accessories,Other Products Duct dampening is part of our residential ventilation at Lindab, helps you stop unnecessary energy losses, enhance indoor climate and cut running costs! Balancing Dampers. We manufacture Air Dampers which includes Volume Control Damper (V. We offer a complete line of standard commercial and Industrial Spiral pipe, fittings, and custom fabrications designed to meet all standard specifications. 5. Warehouse locations throughout the US to ship to your location FAST! Best Prices. Showing 40 of 107 results that match your query. Many translated example sentences containing "duct damper" – French-English dictionary and search engine for French translations. Airflow Control Devices, Dampers and Blastgates from Fab-Tech. Black painted dampers of key type are powder coated and constructed using frames and …Find here the trusted list of Duct Dampers manufacturers, suppliers, traders, distributors and exporters in India @smedunia. 08 in. /min. of Aire Technologies Fire Dampers and Ceiling Radiation Dampers. Spiral Duct. Each damper must fit precisely within the duct to prevent air leaks and ensure the damper will function as intended. Broan Nutone Duct Damper Connector 4" 763N 684NT 676NT (ZP A3) New (Other) $9. POST a QUESTION or READ FAQs about how to find, adjust, & use automatic or manual HVAC air duct control s or zone dampers in heating & A/C ducts in order to balance heated or cooled air flow in buildings. Download software and BIM files for Lindab Building Products: Access tools and software to simplify indoor climate solutions: Place orders online 24/7!Dampers, Shutters and Louvres Back d raft Dampers are generally used in front of exha ust fans or in conjunction with a gravity intake ventilator and are either blown or sucked open by the force of the fan. Alan Manufacturing, Inc. 2 AUTO EXHAUST DAMPER duct work, or wall collars when DAMPERS & SHUTTERS Conduit Knockout Plan View B A Duct Detectors Smoke Detection - NFPA 90A Code Requirements. Are you a Pro? Duct Size: 8" Round in. With a sturdier frame, the damper installs in the duct much faster and easier and the nylon bushings insure quieter operation. Remote Air Balancing Damper System. You may be able to negotiate an agreement with the AHJ who cited you that you are in compliance with the local building codes, and see if they would accept that, but you would have to do this with every AHJ. These newly developed back-draft dampers are manufactured with quality components and pr GREENSEAM Collar W/Damper,6" Duct Size, GR6POCR6GA26D These dampers are available with square or rectangular parallel blades. Smaller zones can be set lower or have no leakage at all. Each Spunstrand® Inc. Air Cleaning Specialists offers galvanized, aluminum and stainless steel Nordfab dampers used to reduce backward airflow in the line. Now, only your bedroom is receiving cool air. A member of the Maico group. We have been in business for over 30 years. description: motorized, single blade type 20 gauge material thickness 24 vac at 60 hz motor, normally open damper close when powered inclusions/features 18 inch dia duct size tradeline[r] brand ard model CPVC Duct Butterfly Dampers. They do this in a simple and reliable fashion based on barometric/static pressure in the duct system. Normally open fire-resisting duct damper with mechanical drive mechanism. Booth#: C6707 Accessories Airflow Control Dampers Axial In-Line Duct Fans Centrifugal In-Line Fans Controllers Door Frame Fan Dryer Booster Kit Plug-In Thermostat Radon Mitigation Kits Register Booster Fans Room To Room Fans Sound Mufflers How to Install Back-Draft Dampers in Exhaust Fans to Make a Shared Duct Possible. We offer a complete line of low pressure quadrant dampers. These corrosion-proof PVC Butterfly Dampers are for the construction of exhaust ventilation systems. 1. TAMCO entered the ventilation industry in 1955, and in 1980 began to engineer and produce an innovative line of aluminum dampers. To TAMCO is an innovative manufacturer of high-end, superior-quality dampers and air control products, serving commercial, industrial and institutional markets. Our volume control dampers are designed for two primary functions: two positions (open/closed) or proportional (modulating). Easy ordering & convenient delivery. Product Image. The brackets are 1″ thick. Some dampers are adjustable metal plates installed inside of a duct to close off or control the volume of heating and air conditioning in a specified room or area. damper Balancing dampers are simply manual dampers encased in a galvanized sheet metal sleeve. com, on-time delivery, personalized service and all of this at a great price! Dampers for HVAC are available in our parts-hvac online store. Duct dampening is part of our residential ventilation at Lindab, helps you stop unnecessary energy losses, enhance indoor climate and cut running costs!Actionair, with 30 years of market experience, is acknowledged as UK market leader in the manufacture of top quality fire, smoke and air control dampers. Harrison Machine & Plastic can fabricate nearly any configuration PVC duct butterfly damper fitting upon customer specifications. You can ensure product safety by selecting from certified suppliers, including 376 with ISO9001, 194 with Other, and 18 with ISO14001 certification. 16 Find CPVC Duct fittings here at PVC Fittings Online! We now carry these Butterfly Dampers! These dampers constitute of fire damper, volume control damper and duct dampers. Static pressure single blade regulating dampers are available in round or rectangular models. It is ideal for supply and exhaust tracking control, individual comfort control, and any space requiring accurate airflow regulation. Air Duct Dampers: Amazon. vertical mounting These dampers constitute of fire damper, volume control damper and duct dampers. These corrosion-proof CPVC Butterfly Dampers are for the construction of exhaust ventilation systems. Information Required for Duct Construction 8. Dampers may also be used to help control the rate of combustion in fuel burning equipment. Stop here and select the HVAC duct dampers you need!Supplier of Galvanized sheet metal duct, hvac duct supplies, air conditioing ductwork, flex duct, round, dampersA duct system often begins at an air handler. The rigid design is constructed from galvanized steel for HVAC duct vibration dampeners. • The doors for fire dampers should be located so that the spring catch and fusible links are accessible when the damper is closed. Multiple-blade fire dampers have been UL tested and are “dynamic” rated for clo-sure at 4,000 fpm and 8. Established in 1994, Dampers Express has been providing SMACNA certified dampers regionally, nationally, and internationally, meeting our customers deadline, quality, and cost needs. duct dampers You can also choose from free samples, paid samples. com is the #1 supplier of air cleaners, air purifiers, energy saving ventilators, exhaust fans, humidifiers, thermostats and controls, dampers, in-line booster fans, HVAC system components and controls, and more. Business listings of Duct Dampers manufacturers, suppliers and exporters in Mumbai, Maharashtra along with their contact details & address. We sell discount wholesale damper supplies, HVAC tools and more! Corporate Headquarters. The blowers in the air handler can create substantial vibration, and the large area of the duct system would transmit …Rega Ventilation offer a comprehensive range of flexible, semi-rigid duct in aluminium and stainless steel. (W. primary advantages of power open/power close dampers include lower Splitter damper is used to send certain amount of air into specific duct, for example if I want to send 2000cfm into a branch duct which is connected to a main duct, a splitter damper is used. Shop duct fans & dampers in the hvac duct & fittings section of Lowes. PVC Duct Butterfly Dampers PVC butterfly dampers are used to block or allow flow of air or drainage in a PVC duct system. We are the leading manufacturer and supplier of Diffusers, Grills and Louvers. NFPA 90A does not have any exceptions for HVAC duct 6 inches or less in regards to requiring smoke dampers. Building codes require dampers in ANY penetration of a rated wall. The system inside the damper has two flaps that open or close to allow or block air flow. com/play/6846. Per NFPA 72, detectors should be at least six duct widths down-stream from any duct openings, sharp bends or branch Dampers shall be installed in a manner to ensure positive closing or opening as required by function. 2. The dampers should open when the fan is actively exhausting and should shut when the fan is off (Figures 1 and 2). That way, it's possible to regulate the airflow by adjusting the position of the damper. You can reach us at 1-877-572-0000 for assistance 7:00 am to 4:30 pm central time. Alibaba. Once a building’s HVAC system is installed, it can be hard to control or limit the flow of air throughout the spaces. Recommended as the next line of defense against odor control. EfficientComfort. Engineered for reliability and safety, and specifically designed not to exceed safe operating temperatures. RC – Roof Curb – Insulated The RC insulated roof curb is formed and welded from 16ga galvanized material with a wood nailer attached to the top. If the airflow in your application is upward, please specify that vertical operation is required when ordering. com ✓ FREE DELIVERY possible on eligible Electric air duct dampers allow you to shut off airflow to unoccupied or unused rooms, which limit the flow of heated or cooled air to the areas that really need it. HVAC Air Duct Dampers. GET STARTED > 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. Or you can penetrate the fire barrier with metal duct main and have a flex duct to the terminal box or to a diffuser in the same room that you penetrated the fire barrier. 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. Dampers are essential to the HVAC system. May 22, 2009 To view the next video in this series click: http://www. Balancing dampers are applicable where ultra low leakage is not critical. Take-off Duct Balancing Made Simple. 50/60 Hz motor actuator. L. Screw a start collar to the return-side and supply-side ducts. ’s design team to be certified leak free through individual water testing. Our products are designed and developed in an ISO certified manufacturing unit using mild and galvanized steel or aluminium. PVC duct butterfly dampers work like a valve. For more info read Dampers & Ducts Buyer's Guide . Find quality duct fans & dampers online or in store. Can-Filters Backdraft Dampers are available in 6 different sizes from 4" to 14". They are dampers for cost, efficiency, and control, and to protect the duct work from environmental conditions. They are ideal for supply and exhaust tracking control, individual comfort control, and any space requiring accurate airflow regulation. Air Volume Control Dampers that we offer are known for their high tensile strength, Dampers. Spirals & Fittings. The enclosed bonnets prevent leakage to the outside atmosphere. Assembly Help: Duct Inc. com/slp/air-duct-dampers/ayyzae9hstpx4qgBuy products related to air duct dampers and see what customers say about air duct dampers on Amazon. HVACSolutionsDirect. same size duct. Find a large selection on all pipe dampers at everyday low prices. A rigid 1-1/2″ 3# insulation is attached to the inside of curb for thermal and acoustical properties. Shop duct dampers in the duct fans & dampers section of Lowes. HVAC dampers can monitor air flow, temperature and humidity throughout homes and buildings. US Duct Leakage Testing Ri tRequirements - (SMACNA) Duct Class ½-, 1-, 2-inwg 3-inwg 4-, 6-, 10-inwg Seal Class CB A Sli T Transverse Joints, Seams Sealing Applicable ransverse Joints Only asvese Joints and Seams Jo s, Sea s and All Wall Penetrations Leakage Class (C L) – CFM Leakage per 100 ft2 @ 1 in H 2 O Rectangular Metal 24 12 6 Round Fire Dampers Static & Dynamic Fire Dampers Models MFD & MDFD Fire dampers covered under UL 555 are intended for installation in accordance with the NFPA Standard for Installation of Air-Conditioning and Ventilation Systems, NFPA 90A, the International Mechanical Code and the Uniform Mechanical Code. by Speedi-Products. Introduction to Dampers D Dampers are made of 30-gauge, galvanized steel. IRIS-S Stainless Steel Dampers are a brilliantly simple solution for fast and exact measurement, balance and control of airflow. Our Passive Fire Protection Scope Includes: Fire stopping vermiculite spray to ducts, steel spray, Intumescent paint NSW with vermiculite etc. With 100% Free Area, Pressure Drop is determined by For a while I was thinking too, to add dampers like @Kristopher did, but I have concerns about controlling the pressure properly. Planning. Dampers Including AMCA Class 1A certified dampers in round single blade configurations. Duct is commonly used for venting, drainage, and corrosive fumes. U Series Smoke Ejector Accessories. Adjustable Dampers Aluminum Dampers Backdraft Dampers Barometric Dampers Blast Gate Dampers Ceiling Diffuser Dampers Compression Dampers Door Dampers Dual-Direction Dampers Duct Dampers Extension Dampers Fire Dampers Furnace Dampers Galvanized Steel Dampers Gauge Vibration Dampers Guillotine Dampers Hydraulic Dampers Impact Dampers Lid Dampers Ceiling duct dampers control the air volume, not air pattern, to provide minimum air restriction. Duct Connection Ductmate, Ward, and Nexus Connections • Connections assembled without the four corner nuts and bolts • Cleats as required per chart on the front • Maximum size of 60"W x 60"H for use with Curtain Fire Dampers • Maximum size of 36"W x 48"H for use with Multi-Blade Fire and Fire/Smoke Dampers TDC, TDF Flanged Connections Shop pipe dampers at VentingDirect. Manual dampers such as air balancing/barometric dampers, ductwork dampers and manual shutter dampers are available. VentingDirect. collar (sleeve) duct type-c. Registers & Returns. Find quality duct dampers online or in store. Open each damper by moving its lever so it points in the direction the duct travels, not across it. WINFAN Technology Corporation LTD FRP Damper FRP damper is the equipment that controls the wine volume in accordance with the fix of ventilation in the disposal system, the connection of system power dissipation and the property of pollutant. In this way, it's possible to regulate the airflow by adjusting the position of the damper. Fire dampers are installed in these duct or ventilation openings. A wide variety of duct dampers options are available to you, such as hvac systems, ventilation, and air conditioning. Wherever a balancing or volume damper is located, it should be accessible. E. Custom HVAC Damper Design Capabilities. 6" 8" 10" 12" Radial HVAC Duct Damper Fits on most 24x24 T-Bar Screwdriver Operated Click on a size for pricing and to order this air duct damper. Gravity causes the blades to drop closed (static rated dampers). Look at your furnace and the ductwork to determine the best locations to install one or more air duct dampers. We will ensure that we have the proper damper specifications to meet your needs. insert mounted into an opening or duct Both dampers were tested in a fully ducted system. We also have insulated ducts, duct adaptors and duct connectors in various sizes. Flow meters are used to decide airflow rate in a duct system. Each branch should have a balancing damper installed. 31 Fire dampers can also close following receipt of an electrical signal from a fire alarm system utilising detectors remote from the damper, indicating the sensing of heat or smoke in the building occupied spaces or in the HVAC duct system. BYPASS (PRESSURE RELIEF) DAMPER: A bypass system consists of a short duct connecting the supply plenum to the return air plenum. Kris Kasprzak 188,259 views CUSTOMER SUPPORT. Product offerings include Air Control & Distribution products, VAV Terminal Units, Green Building products, Fan Coil Units, Electric Duct Heaters, Sound Attenuators, Air Handling Units, and Filter Housings. Dampers. com. manufactures both Zero-Leak (ZL) and Balancing Dampers (BA) for the corrosive fume handling industry for a variety of environments and applications. Finished inside frame dimensions of the damper will be identical to the opening width & height dimensions. The SPRDs automatically respond to the air pressure in duct as the various zone dampers open and close. w. Locate the damper lever on each duct. These brackets are used to mount ND and ND-RSD style dampers to fiberglass duct boards. Horizontal mount fire dampers utilize Dampers, Shutters & Louvers. Lowest Prices available to Contractors, OEMs, Exporters, Users and DIYers diverter dampers Diverter Dampers Our Effox-Flextor brand Diverter Damper can be configured in a low-leak or zero-leak design, and a toggle-type or pivot style diverter damper for HRSG, waste heat recovery, natural gas turbine and other systems that require diversion of the gas stream. Duct dampers are available with parallel & opposed action linkages & features including structural & carbon steel formed channels, angle dimensions, carbon & stainless steel vanes, shafts, carbon sleeve bearings, glands, adjustable linkages & seals, manual, electric, pneumatic & hydraulic operators & castable refractory linings, heat shields, position indicating switches, inlet screens, mating flanges & …Capabilities and Variations. Tube Axial Duct Fan Options and Accessories. Return air systems shall be equipped with duct smoke detectors as required by sections BC 907. BELCO dampers can be furnished in a variety of custom configurations including: extended length between flanges, undrilled flanges and inline dampers, either built into a section of duct or plain-end for field joint by installers. We are looking for queries from Chennaipattanam, Chennai or Madras, Kanchipuram and Tiruvallur. Gorrell Company • 544 Pylon Drive, Raleigh, NC 27636 • (919) 821 - 1161 • Greensboro, NC • Charlotte, NC • Asheville, NC • Greenville, SC • North Charleston, SC • Wilmington, NCDC Duct and Sheet Metal specializes in the manufacturing of spiral duct, oval duct, and fittings that adhere to the current SMACNA guidelines. Eyebrows Eyebrow Vents with Backdraft Dampers from The Duct Shop are made from the highest quality galvanized steel. This is a feature that homeowners will never hear about! Quieter operation and a longer life motor equals NO call backs. The damper prevents back draft when the system is off. Interior liners or insulation shall be held back from portions of a damper, its sleeve, or adjoining duct that would interfere with the damper's proper operation. Location: Fire dampers are installed in or near the wall or floor, at the point of duct penetration, to retain the integrity and fire rating of a wall or floor whether it is a ducted or open-ple- Ruskin's Commercial Control Dampers provide superior air control, high performance, and sustainable energy efficiency. A damper may be used to cut off central air conditioning (heating or cooling) to an unused room, or to regulate it for room-by-room temperature and climate control. • I recommend you always specify dynamic fire dampers since the cost difference is trivial. monkeysee. Royal Metal Products offers an unmatched level of personalized customer service. For the purpose of this bulletin, combination fire/smoke dampers shall be treated and controlled as smoke dampers. Fire dampers. Sears has the best selection of Duct Dampers in stock. Model Number: MD10TU Fresh Air Inlet Wall Cap for 8" Round Duct for Range Hoods and Bath Ventilation Fans. Type VI, Grade 1 CPVC, Cell Class 23447 as described in ASTM D-1784 Dampers and Blastgates a revolutionary hybrid fluoropolymer coated stainless steel duct system recognized worldwide as the premier solution for corrosive and Damper Technology Ltd, Meadowbank House, Meadowbank Court, Eastwood, Nottingham, NG16 3SL, ENGLAND, United kingdom. Ultimate one way air flow valve allows air to flow out but not back in. We are Shop duct dampers in the duct fans & dampers section of Lowes. in drywall type construction 1 hour and 2 hour rated. Helps control airflow in a run of pipe Had to purchase 25' of 8" flexible HVAC duct when I Rectangular pipes are usually sold in half sections; two pieces need to be ordered for a full duct section. IRIS Dampers Description. Product Features 4 inch ventilation ducts. Chimney/Vent Parts; Custom Ductwork; Dampers; Duct Booster Fan installation instructions for fire dampers. You are staying comfortable in your bedroom because you now have a thermostat in there. To Provide the best HVAC Products, Services, and Support! Product Categories. Each branch has a balancing damper installed. Get the Duct Dampers you want from the brands you love today at Sears. Nordfab Quick-Fit In-line Back Draft Dampers are designed for use in horizontal and vertical lines and are used to reduce backward air flow in the line. A duct damper is a device used for controlling the direction or volume of air flowing through a duct. Dampers Actionair, with 30 years of market experience, is acknowledged as UK market leader in the manufacture of top quality fire, smoke and air control dampers. Rectangular dampers are designed to hold duct dimensions when mounted inside rectangular duct using extruded aluminum frame and mitered corners with L brackets. is a manufacturer of lock-seam, high pressure Spiral pipe and fittings. Control Damper (VCD), Fire Damper and Duct Dampers. 100% airflow shutoff. From rectangular to round, from in-duct to flange, and from damper depth to face velocity. Add the number “5” to the part number for 1. ) will require the same fractional addition to the corresponding damper transition dimensio n. The opening and closing design resembles a butterfly's wing, thus the name PVC duct butterfly dampers. 22 mai 2009A damper is a valve or plate that stops or regulates the flow of air inside a duct, chimney, VAV box, air handler, or other air-handling equipment. The rectangular EzySlide® dampers have the mounting plate and actuator mounted on either the side or bottom of the damper. The DuroZone Multi-Blade dampers for residential zoning systems have been engineered to include many features. Housed in a 45,000 square foot, state of the art manufacturing facility in LaGrange, Ohio, Mader Dampers can fully customize equipment to customer specifications with a variety of controlling options. Style 170 - Manual Slide Gate Cast aluminum body standard. If the mounting plate and actuator is on the longer dimension the damper is referred to as a bottom-mount damper. Available in 4, 6, 8, 10,12, and 14 inch diameters. Ductwork should be designed normally, typically . Continental Fan Manufacturing BDD300 Spring Loaded Backdraft Damper for 12" Duct. Backdraft dampers prevent the backdraft flow of air when the exhaust fans are off. All Slide Gates have enclosed bonnets, either welded or removable. PVC Duct Dampers 2" thru 24" Actuated or Motorized Dampers Available. Zipset. Skip to main content Skip to main navigation FREE PARCEL SHIPPING WITH MYLOWE'S. Fab-Tech manufactures PermaShield Pipe (PSP®), a revolutionary hybrid fluoropolymer coated stainless steel duct system recognized worldwide as the premier solution for corrosive and hazardous fume exhaust needs. Mechanical engineers and builders select duct dampers to fit the surrounding ductwork. d. SKP series constant air volume dampers for circular duct greatly facilitate the balancing of ventilation systems. At Control Consultants, Inc. Miami-Dade County has approved a number of our stationary louvers as High Velocity full-sized and duct access doors in a variety of Backdraft Dampers. Clearance Price:$2. Looking for AMERIFLOW Backdraft Damper, 8" Duct Dia. Use the graphic as a guide when planning or designing a Zone system regardless of the Equipment type, Duct layout and Airflow configuration. ul classified (see complete marking on product) wall collar (sleeve) duct type-a. A duct damper can help control the flow of this air, or can even prevent the air from entering specified areas. one way to start reducing the use of energy is to install electronic air duct dampers. Round ductwork pipes are commonly used to branch off rectangular ductwork for supply and return ducts to a specific room. 64. Duct fire dampers products are most popular in Domestic Market, South Asia, and Western Europe. ” (That’s the same as “branch” duct). Click here for moe information about Duct Incorporated slide gates. Tremendous energy saver. As zone dampers close off air to a number of zones, Wholesale Pricing on Duct Insulation, Ventilation, Louvers and Dampers and over 1 Million building supplies at SustainableSupply. • The doors should be located as close as practicable to the dampers. Fast Free Shipping orders $75+ IRIS-S Stainless Steel Dampers Description. Multi-Blade. SKP are self-adjustable dampers. UL listed low voltage transformer and motor included. Transportation and installation of the dampers shall be handled with the sleeve or frame. com offers 1,879 duct dampers products. Dampers are installed in ventilating equipment for various purposes, such as: regulating, shut off, motorized, constant flow and variable flow. • Dynamic fire dampers are tested to close with or without air moving in the duct. Fab-Tech offers a broad range of standard coated and uncoated airflow control devices or custom engineered and built devices for any damper configuration required. Cut holes in each duct using a sheet metal duct cutter attached to a drill/driver. 10 or . The Damper is spring loaded for positive closure. Suncourt Motorized Zone Dampers. line of single blade dampers. We offer a wide variety of shapes, sizes, materials and finishes. We have technical and customer support available by phone or email. dampers are built into a stable spiral duct sleeve with a fixed axle and two actuators. 25. Round & Opposed Blade Rectangular Fire dampers are UL555 tested and labeled devices installed in ducts and air transfer openings or air distribution systems, designed to close upon the detection of heat. Pictures are to represent style of fittings only; actual color is light gray. They close automatically upon detection of heat by a heat-responsive device (usually by the melting US Duct, a manufacturer of industrial ducts and industrial ductwork solutions, focuses on delivering quality products quickly and at the best price. SC D-57 Commercial Rectangular Mechanical Dampers. Reducing trunk system Shop our selection of high quality Duct Dampers from top Duct Work manufacturers like Fantech, Nutone and Panasonic at Wholesale Prices & w/ Free Same Day Shipping - Buy our Duct Dampers bundled together with other Ventilation Products & get Extra 15% off using our VIP Membership. Duct sleeve connections listed in UL 555, sixth edition, Standard for Fire Dampers 2. You just can''t run the flex duct through the fire barrier. The dampers shall not be compressed or stretched into the opening. Control Consultants, Inc. IRIS dampers are a brilliantly simple solution for fast and exact measurement, balance and control of airflow. com is a Build. Dampers are a common accessory in industrial air systems to control airflow. Barometric By-Pass Dampers Model S1-SPRD The Static Pressure Regulating Dampers, Model SPRD, are barometric relief dampers used to by-pass excess air pressure on zoned systems. ZL damper is manufactured with a resilient, machined rubber seat permanently formed into the duct wall. A damper may Shop our selection of Dampers in the Heating, Venting & Cooling Department at The Home Depot. A damper may Buy products related to air duct dampers and see what customers say about air duct dampers on Amazon. As the worldwide leader in manufacturing high quality air movement, control and conditioning products, Greenheck offers the most comprehensive line of ventilation equipment available including fans, dampers, louvers, kitchen ventilation systems, energy recovery, and make-up air units. Telephone: +44 (0)1159324046, Fax: +44 (0)1159324047 Duct dampers prevent back draft air when your fans are off, remaining in a closed postion until your fan kicks on. inDuct Fire Damper Suppliers Directory - Choose Quality Verified Duct Fire Damper Suppliers and Manufacturers, Wholesale Duct Fire Damper Sellers and Exporters at Alibaba. Duct accessories exposed to the air stream, such as dampers of all types (except smoke dampers) and access openings, shall be of the same material as the duct or provide at least the same level of corrosion resistance. Dampers Duct Stretchers & Holders Seamers, Folding Tools & Brakes Sheet Metal Notchers & Punches Fiberglass Duct Essentials Ductboard Tools Air Solutions has the industrial duct experience and expertise to assist you with the implementation of quality industrial supply and exhaust ductwork systems for all types of facilities from commercial buildings to manufacturing plants to warehouses. Rd8, Rd9, Rd10, Rd12, Rd14, Rd16, Rd18, Rd20 and Rd24 for round duct work application Home Air Quality Including Air Filters, Furnace Filters, Air Cleaners, Humidifiers, Dampers, and Thermostats at Wholesale Prices! FIBERGLASS DAMPERS AND BACKDRAFT DAMPERS FOR ODOR CONTROL AND CORROSIVE flanges, inline dampers, either built into a section of duct or plain-end for field joint Accurately measure airflow within a duct Allows you to control the amount of outside air coming into the building Examples of custom dampers include large round Add motorized dampers to envelope duct penetrations Building Envelope Duct Penetrations: Motorized Dampers vs. D), Fire Damper and Duct Dampers. Smoke Detectors for HVAC Shutdown "For fire smoke dampers, should I use an in-duct spot type smoke detector or a duct detector?" Sampling tube style duct detectors are listed for a minimum air velocity of 100 fpm (feet per minute). Shop with confidence. Openings in horizontal fire separations ie: floors, require a horizontal mount fire damper (duct runs vertically). Consider adding single or multi-zone HVAC controllers …Duct Dampers 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. We offer a full line of: Air Control and Backdraft Dampers Ceiling Radiation Dampers UL Rated Fire, Fire-Smoke, and Smoke Dampers Louvers and Penthouses Duct Silencers, Panels and Enclosures Actuators Air Dampers – Perfect for a Wide Variety of Applications At Johnson Controls, we offer Damper Controls in a diverse range of models. Available in Rectangular and Round . NOTES: Fittings are triple bead welded. Multiple-blade dampers are similar to control dampers with “blades” located in the air-stream. Backdraft Dampers Motorized dampers that close automatically when an HVAC fan is turned off, saving energy by reducing infiltration. Damper. Apply for an eSales account. Standard dampers feature a manual locking hand damper, but can be fitted with other custom locking systems upon request. Premium Back Draft Damper is installed into ductwork Premium Back Draft Damper is installed into ductwork to prevent unwanted outdoor drafts from entering into your bathroom fan kitchen fan clothes dryer etc. Fans. We are De très nombreux exemples de phrases traduites contenant "duct damper" – Dictionnaire français-anglais et moteur de recherche de traductions françaises. The DM7600 model consists of a D690 damper, but includes a Home > Product Categories the performance and sustainability of your duct system. Ideal Air 6" Metal Backdraft Ducting Dampers - duct back draft ventilation HVAC Dampers. But, with duct dampers from 1800Ceiling. The damper is available in power open/power close, power close/spring open, and power open/spring close. NOTE: Dampers should be ordered by nominal duct size. Automatic Variable Speed Control. Note: This drawing of the Bypass damper, Balancing Hand Damper, and Related duct work is intended to serve only as a guide. Sizes ranging from 40mm to 500mm diameter. 4001 Mark IV Parkway Fort Worth, TX 76106 Phone: 817-336-2311 Fax: 817-625-0756 This is where comes dampers and what dampers do is control the flow of air and what I want to teach you today is the proper use of them. Guide to Zone Dampers for Heating & Cooling Air Duct Controls How to install & use manual or automatic HVAC zone dampers. amazon. There are five types of duct dampers that are worth mentioning: Volume Control Dampers, Butterfly Dampers, Guillotine Dampers, Motorized Dampers and Aluminum Dampers. AQC Brought Pre-Insulated Duct to Fiesta Grande Pre-Insulated Duct is the Best Prize at the IHACI Carnival The BlueDuct Impressed at the Building Safety & Design Expo The dampers are designed for operation in the vertical or horizontal position with blades running horizontal. WHAT WE DO. Suncourt will be participating in the 2019 AHR EXPO in Atlanta on January 14th - 16th. We provide air dampers, air duct dampers, air conditioning dampers and duct fire damper. As we celebrate 90 years in the industry, Pottorff remains committed to delivering high performing products on time and at competitive prices. Browse Alan Manufacturing Damper and Duct Products in the Alan Manufacturing, Inc. ) Static & Dynamic Fire Dampers The Fire Dampers have been investigated by UL Laboratories in Chicago - USA on February 12, 2013 in accordance with UL 555 - Standard for Fire Dampers. duct dampersA damper is a valve or plate that stops or regulates the flow of air inside a duct, chimney, VAV box, air handler, or other air-handling equipment. duct systems. Different purposes. Large circular fire damper for the isolation of duct penetrations between fire compartments, available in nine nominal sizes. These ducts carry air from furnace or air conditioning units to the different rooms within the building. By transporting and re-routing the air to the locations needed, zone dampers improve efficiency and reduce energy costs for your heating and cooling system. Dampers. DUCT TO SLEEVE CONNECTIONS Dampers are supplied with sleeves and actuators from Johnson Controls Fire Dampers. Controlled Air, Inc. L. To register for access to the extensive selection of Fantech products available from our website you must be an existing Fantech customer with an established account. com, The exception is where the duct terminates at the face of the wall it penetrates. All our diverter options can be incorporated with a guillotine to provide a fully integrated inlet/bypass/isolation solution. GRD Dampers OBD Series 5OBD - Aluminum Square or Rectangular Damper OBD - Steel Square or Rectangular Damper OBDDM - Steel Square or Rectangular Duct Mounted Damper POBD - Steel Square or Rectangular Painted Damper Lloyd Industries, Inc. Install elbows to each end of a bypass damper. A technician will know how to get into your supply ductwork to determine and repair the problematic damper. C. Its 24 volt motor controls the air circulating in HVAC systems and is commonly used when a normally-open damper is required. Control of Dampers We would like to thank Bengt Carlson, Energy Management Consultant, the primary contributor to this book, along with Larry Felker, Area Sales Manager, and Robert Balkun, Product Manager, for their efforts in creating this Application Guide. The control panel reads that thermostat call, it activates your AC and shuts all the dampers in your duct system except the damper (or dampers) that control airflow to your bedroom. Purchase a spiral duct air control damper Model# AC-30 from FireDamper today. Each damper has its own unique design, material, ability and functionality purpose. Air Handling Units. These are commonly sold in 2' and 5' lengths and are easy to snap together. At 1800Ceiling. c. It is a control devi Types of duct dampers include single stud dampers, double stud dampers, manual dampers and zone control/motorized dampers. The information provided is general for all dampers. The Static Pressure Regulating Dampers, Model SPRD, are barometric relief dampers used to by-pass excess air pressure on zoned systems. Shipped pre-assembled to any CODR, XCODR, GCODR, and GXCODR. Openings in vertical fire separations ie: walls and partitions, require a vertical mount fire damper (duct runs horizontally). FKR-EU Large circular fire damper for the isolation of duct penetrations between fire compartments, available in nine nominal sizes. Attach the bypass damper between the two start collars, effectively connecting the return duct to the supply duct. We represent outstanding manufacturers with top quality products, including Loren Cook fans, Ruskin louvers and dampers, Titus air devices, Semco pipe, and many others. Lloyd Industries, Inc. ? Grainger's got your back. A better location is in the final branch near the connection to the trunk duct. Duct dampening is part of our residential ventilation at Lindab, helps you stop unnecessary energy losses, enhance indoor climate and cut running costs!Dampers and measuring units - ventilation ducting for measuring, shutting off, constant flow and variable flow. The Largest Selection HVAC BALANCING Air Duct Dampers. They are the perfect for exhausting air while keeping vermin out of your system. A fan per hood design minimizes duct runs, eliminates multiple 90-deg turns, and minimizes the temptation to install modulating dampers—all three of which reduce static pressure losses and ensure superior energy savings. It is recommended for placement directly into the fume hood collar and for direct connection to Labconco Thermoplastic Duct used as part of exhaust and auxiliary air ductwork. ) INTEGRAL SLEEVE FOR GRILLE MOUNT Model Series D0100G Dynamic Curtain Fire Dampers are designed for DuctSox fabric duct installation saves you time and money compared to metal duct! SkeleCore Pull-Tight is the newest addition to the SkeleCore line-up of Internal Framework Systems, maintaining fabric duct shape, with or without air in the HVAC system. Consult with our experienced Fantech Iris Damper experts. Available in multiple sizes. com is the leading internet supplier of Duct and System Air Dampers, Duct Fans, Duct Installed Products and Duct Fabrication Products. To ensure proper lit. This can eliminate the undesirable effects of oversized dampers. C. com, we carry duct dampers in a variety of diameters, including 6”, 8”, 10”, 12”, and 14”. Automatic dampers regulate the Automatic or manual HVAC air duct airflow controls: Here we explain both manual and automatic heating and air conditioning ductwork zone dampers & airflow Shop our selection of Dampers in the Heating, Venting & Cooling Department at The Home Depot. These air dampers are customized as per the specifications of our clients and ensure maximum efficiency. Fresh Air Ventilation Control (FAVC) utilizes the central fan to supply outdoor air from a known source through a controlled duct Fresh Air Damper (FAD) prevents infiltration during off periods Benefits: Our range of duct dampers are available with following specification: Application: Suitable to control the air volume in ducts in air-conditioning, ventilating and heating systems. (CCI) is a building controls distributor. • Fire dampers are available as “static” or “dynamic”. Ducting, Dampers, Adapters & Caps. Dampers & Louvres. Sizes from 3" to 24" round in butterfly damper design, slide in volume dampers, handle dampers, and dryer damper models. COSMOS is the reliable manufacturer and supplier of duct dampers which includes air distribution duct damper, aluminum duct damper, galvanized duct damper, motorized air distribution duct damper. dampers When there is call tor condit Onod air. Dayton round fire dampers are designed for use in duct systems or penetrations of fire-rated barriers that have been designed to have pressurized airflow when the dampers are expected to cycle closed during fires. home; right choice when running the power cable down the supply duct makes sense. Dampers can be operated automatically or manually. BSB. /100 ft. 8 in. Zoning System Design Manual 70-2321—03 ducts and damPers 2 Size the Ductwork In New Construction: ductwork is sized as usual for the size of the home; trunks are sized for the amount of air going to the zone. 5″ thick duct board (EX: DBA-10-5). As specified, these are certified for use with Wal-Mart and Sam's Club applications. The damper must have the same shape as the duct, and may be round, square or rectangular. The dampers are constructed with neoprene and silicone seals for tight close off and low leakage. These dampers constitute of fire damper, volume control damper and duct dampers. Greyton is a specialist in installing passive fire protection, Stopping, Vermiculite services in NSW, Sydney and Australia. Any one of the system types, or a com-bination of different types, can be utilized to fit the branch dampers properly. As an alternative to a flap diverter, multilouvre dampers can be built into a T-Duct section and linked to provide an extremely cost effective inlet / bypass solution. Our Effox-Flextor brand is the world leader in the design and manufacturing of heavy-duty utility and industrial dampers and expansion joints for use in solid fuel combustion and exhaust systems, with more than 50 years of industry experience. g. Building codes require this information to be shown on the design documents submitted for building permit. Drop shipped to your job site—no extra charge! A fire damper is designed to close to restrict the spread of fire. Online Assembly Assistance Click below for indepth instruction on assembling your ducting system. Use the Zone Damper’s travel limit adjustment and set up to 20% leakage on large zones. a. com ✓ FREE DELIVERY possible on eligible Atlanta Supply has a large selection to choose from when it comes to high-quality air dampers. The LED display allows the installer to visually check the damper operation. Cable operated dampers are the most convenient and economical way to balance air flow through the face of a diffuser. Manual Duct Dampers or Spool Dampers are Ideal for use as an inline damper where manual air flow adjustment is needed. dampers & duct system power dampers power open /power close dampers use three wires to power the damper open or power it closed. is the leading manufacturers representative of HVAC products in greater Southwest Ohio. Controlled by a 24 Vat. Controls & Thermostats. UL rated fire/smoke dampers also block out heat and smoke to contain or vent harmful fumes and slow the spread of fire. $6. Cost and labor estimating software designed for commercial and industrial piping and plumbing contractors who need a Cloud …Residential Duct Sizing Guide Key Points to Remember when using this guide • The sizing chart is designed for estimating the airflow in anCable Operated Dampers. The backflow damper RKI opens and closes VII Rectangular Damper Components Typical Blade Profiles Blade Variety Damper blades are available in various styles. Duct Support Custom HVAC Components HVAC Components Automatic Dampers Manual Dampers Duct Support Damper Hardware Duct fittings Duct Mufflers/Silencers Custom Components Thermostats Wireless Thermostats Zone Control Panels Fresh Air Control Systems IAQ – Indoor Air Quality Control Occupancy Sensors Damper Types Round Tube/Collar Round Retrofit Nailor manufactures a unique and comprehensive line of products essential for a well designed HVAC system. Installation, Operation and Maintenance Instructions for FSD-XXX, DFD-XXX, 3. 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. 14/01/2019 · A duct damper is a device used within a heating, ventilation and air conditioning duct. Fire & Smoke Dampers. We are the leading manufacturer and supplier of superior quality Heavy Duty Duct Dampers. Damper is made with unpainted, galvanized steel. Steel ring has a brown finish and includes adjusting handle. Flanged to Duct Install Type dampers provide greater free area and lower pressure drop, because the damper frame is mounted outside the duct perimeter. Accelerate your mechanical estimating. Nominal sizes: 315 – 800 mmInstall a balancing hand damper in the the bypass duct to slow the bypass air down and achieve a slow mixing of bypass and return air. A handle that is placed outside the duct is used to turn a manual damper. Manufacturer of lock-seam, low pressure spiral pipe and fittings. Model Number: AWEPD36SS. duct size, criteria and methods are provided to select and properly size dampers which will produce desired control results. Each metal lever is located on the side of the duct. We are committed to offering the highest quality products, technical product information and customer service support. There are 340 duct fire dampers suppliers, mainly located in Asia. vertical mounting. Our dedicated customer service representatives verify order receipt and accuracy for every order, and follow-up with a call to schedule deliveries 1-2 days before shipment. Spunstrand® Inc. A damper is a valve or plate that stops or regulates the flow of air inside a duct, chimney, VAV box, air handler, or other air-handling equipment. The EWC Dampers. Duct Dampers (287) Air Pressure Relief Dampers . The design and installation of air supply and venting systems are described in the several chapters dealing with furnaces and boilers. Backdraft Dampers prevent air from reverse flowing through the fan when powered off. $30. Damper Manufacturers- We Manufacture Custom Design Accessories. Adjustable Dampers Air Dampers Aluminum Dampers Backdraft Dampers Barometric Dampers Blast Gate Dampers Ceiling Diffuser Dampers Compression Dampers Door Dampers Dual-Direction Dampers Extension Dampers Fire Dampers Furnace Dampers Galvanized Steel Dampers Gauge Vibration Dampers Guillotine Dampers Hydraulic Dampers Impact Dampers Lid Dampers Duct & Dampers. Single-piece blades are fabricated from a single thickness of 16-gaugeRECTANGULAR DAMPERS 8X8 THRU 30X30 CUSTOM SIZES AVAILABLE. Dampers can be constructed of galvanized, stainless, or aluminum and are available with a diverse compliment of factory furnished options to meet any application. DUCT VENTILATION AIR CONDITIONING Co. is a leading manufacturer of air control dampers. D), Fire Damper and Duct Dampers. Planning the Installation LOCATION Zone Control Dampers are insta led near the furnace plenum in the air duct takeoff to the zone. Bypass duct (the first duct you see coming out of the system and back to the system is the bypass that was added to alleviate the pressure) Backdraught Dampers Self-opening subject to air velocity and is designed to restrict air back flow. Suncourt Motorized Dampers also known as Zone Dampers, Motorized Duct Dampers, or Automatic Dampers are mounted in ductwork to automatically shut off or open branches of the duct to airflow. We Make Selling Industrial Ductwork Easy for you, with our FREE 3D ductwork design and quoting software, DuctQuote. PVC 1120, ASTM D-1784, Type 1, Grade 1, Cell Class 12454-B Manual Volume Dampers; Duct Dampers (Jiffy W/ Sleeves) Duct Dampers (Jiffy W/ Sleeves) Balancing dampers are simply manual dampers encased in a galvanized sheet metal sleeve. 0 in. Carbon steel is standard, but any weldable alloy can be provided. So what we need to do in the winter time. Zone Dampers are used to control system supply duct airflow. Round duct damper products are most popular in Domestic Market, Western Europe, and North America. As zone dampers close off air to a number of zones, the supply air pressure in the duct system will increase. Speedi-Products AC-VDQ 04 4-Inch Diameter Galvanized Duct Volume Damper w/Quad. collar (sleeve) duct type-b. They are available in normally open (power close) or normally closed (power open) configurations. Smoke dampers are UL 555S classified with leakage class I, II, or III. Fantech Iris Dampers for sale. must be installed in each runout duct. X=material / 1 = galvanized / 2 = galvaneal / 3 = black metal / 4 = 304ss / 5 = 316ss yy=gage Air duct dampers are essential pieces for your HVAC system in order to allow your system to run at its best potential. GET STARTED > 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. Registers & Returns Dampers Duct Silencers Ducting Roof Caps Wall Caps Shop All Venting Accessories. Manufacturers and Suppliers of Air, Fire and Smoke Dampers and control panels. Selection and sizing of specific dampers can only be accomplished through Manual Duct Dampers, PVC Manual Duct Damper allows you to balance airflow. Superior Service. Flex duct is a duct and can be a part of the continuity of the system four rooms away from the fire barrier. The ZoneMaster Zone Control Dampers save money on heating and cooling by controlling temperatures in individual rooms. Normally open or normally closed configurations. (CCI), our single overriding purpose is to help our clients conserve energy in their buildings. UNDERWRITERS LABORATORIES' STANDARD UL 555 Test Section or Standard Type of Fire Damper Static Fire Damper Dynamic Founded in 1976, Mader Dampers offers a full portfolio of damper products for industrial and utility air flow control applications. Flange & Accessories Duct Products are a specialist distributor for various market leading brands . Dampers Express is a family owned and operated comprehensive manufacturing firm for Commercial and Residential HVAC Dampers. MODEL SERIES D0100G (1 1/2 HR. DONE! - Now you can start to conserve energy and save money. The products offered by us are highly acclaimed in the market for their features like less energy consumption and superior finish. Fastest Shipping. Fire Dampers and Ceiling Radiation Dampers shut-down air circulation thru system Grilles and Registers as part of Fire and Smoke Control. Problems with the dampers – sometimes the dampers of the motorized damper component can become stuck, prohibiting the damper from opening and closing as needed. 4. INSTALLATION INSTRUCTIONS FOR DUCT SMOKE DETECTORS MOUNTED ON COMBINATION FIRE/SMOKE OR SMOKE DAMPERS II-DETECTOR-04. Joints using connections shown in 1. The air flow is adjusted by simply pushing or pulling on the core wire which changes the damper blade position. Proper duct design of a zoned system will: Design Guide Ductwork and Duct Accessories This section applies to the design and installation of ductwork, air terminal boxes, air outlets and inlets, volume dampers, pressure relief dampers, smoke/fire dampers, and smoke/fire damper actuators. • Static fire dampers are only tested to close without air moving in the duct. Find great deals on eBay for Duct Damper in Heating, Cooling and Air Conditioning Units and Parts. superstore, specializing in Fantech Iris Fan Dampers, Fantech Iris Exhaust Dampers and Fantech Iris Duct Dampers. IN NEW CONSTRUCTION use Flexdampers where in-truss or other hard to access ducts will not allow the use of mechanical dampers. Browse our products here. In addition to selling building controls, we provide innovative, cost-effective control solutions and . Starting at $259. com, you can effectively restrict or reduce the flow of air from any duct you desire. 11 and MC 606. The chart below shows the results at a velocity of 2,000 ft. Balancing dampers are simply manual butterfly dampers encased in a sleeve. Finally, balancing at outlets is problematic at best: The settings can’t be locked, and objectionable air noise usually develops; balancing with volume dampers Power dampers provide a superior reliability and typically are much quieter than spring dampers, even though the cost is slightly higher, it is worth it for the better product quality. The diagram below can give you an idea of where you need to install the dampers. duct. net Rules and *Rules of Thumb for Duct Systems Educated guesses and past experience with trial and error apply when using rules of thumb. This article describes the vibration damper (vibration dampener or vibration isolator) connecting the air handler unit supply plenum to the building supply duct and cites cases of asbestos-containing air conditioning or heating duct work that could send asbestos fibers into building air. Pictures are to represent style of fittings only; color is gray. However, multiple-blade fire dampers can be applied in situations when the system air velocities exceed the curtain-type fire damper closure ratings. Manual Handle & Cable Remote Driven. 12 To avoid stratification, detector placement should be such that there is a uniform airflow through the duct. Spring-loaded backdraft damper for round ducts. This design transfers the greater velocity pressure of a larger system to the duct work itself. Fractional duct dimension (1/8” min. The damper was developed by Spunstrand® Inc. fire and ceiling radiation dampers. com www. Location and types of any fire protection device including fire dampers, smoke dampers, combination fire/smoke dampers, and ceiling dampers. is a leading manufacturer of fire dampers and HVAC products. For 55 years and three generations of ownership, EWC has worked closely with their customers to provide the highest quality service and products possible. Smoke Dampers Smoke dampers (Figure 3) are defined as “a device installed in ducts and air transfer opening Our Duct dampers are made using quality material with electronic and mechanical control components like stainless steel dampers, mild steel dampers, galvanized steel dampers. The dampers are to be installed square and free from twisting or racking. Slide Gate dampers are available in sizes from 4″ to 60″. Choose from both rectangle and round configurations designed specifically for things like safety applications, low-leakage and heavy duty industrial needs, and backdraft for pressure relief. The NFPA 90A is specific in defining the position of the duct smoke detectors in the ductwork. 00 Commercial Rectangular Mechanical Dampers, Heavy duty galvanized, Aluminum, or Stainless Steel Construction. Those dampers maintain constant air volume within a pressure zone between 50 and 250 Pa. Sizes range from 6″ – 24″ in 2″ increments. Round volume damper with manual use in branch duct lines for 4" Duct Backdraft dampers with galvanized steel collar and lightweight See all results for duct dampers. Save money and buy at wholesale cost also quantity pricing. Industrial ventilation systems might require the damper to be ducted or unducted, with applications ranging from heavy duty process control to industrial duty wall and roof mounted designs for general HVAC building ventilation. We are the leading manufacturer and supplier of superior quality Heavy Duty Duct Dampers. Your actual duct work layout and components may differ. Once installed, this butterfly damper will provide immediate air flow restriction to the duct