[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"blogPost_guillotine-duct-dampers_entry":3,"globals_businessInfo":38,"get_announcements":62,"blogPost_guillotine-duct-dampers_relatedPostsEntries":129,"theHeader_mainMenu":174,"theHeader_topMenu":217,"theHeader_siteTopBarCta":227},{"__typename":4,"id":5,"title":6,"seoTitle":7,"seoDescription":8,"blogPostBodyContent":9,"blogPostFeaturedImage":10,"blogPostSidebarCta":14,"blogPostTags":15,"blogPostBannerImage":30,"blogPostBottomCta":31,"seomatic":32},"blogPost_Entry","9543","What Are Guillotine Duct Dampers and How Do They Work?","What Are Guillotine Dampers and How Do They Work?","Guillotine dampers have the ability to completely shut off a flow, even of corrosive flows like live flue gas.","\u003Cp dir=\"ltr\">For applications requiring both low leakage and low-pressure drop, guillotine dampers are a great alternative to multi-blade dampers. With their ability to completely isolate a flow under positive or negative pressure and the ability to fully retract, guillotine dampers are a must for any application requiring low leakage isolation. Resilient construction methods and corrosion resistant materials make these dampers reliable, even in harsh conditions.\u003Cbr \u002F>\u003C\u002Fp>\n\u003Ch2 dir=\"ltr\">What is a Guillotine Damper?\u003Cbr \u002F>\u003C\u002Fh2>\n\u003Cp dir=\"ltr\">Guillotine dampers have the ability to completely shut off a flow, even of corrosive flows like live flue gas. Being able to completely shut off these flows allows for on-load inspection and the safe maintenance of equipment like fans, electrostatic precipitators, and scrubbers. With a guillotine damper, seals and essential equipment can be accessed and maintained without the need to wait for an outage.\u003Cbr \u002F>\u003C\u002Fp>\n\u003Cfigure class=\"image\">\u003Cimg src=\"https:\u002F\u002Fawv-cdn.nyc3.cdn.digitaloceanspaces.com\u002Fblog\u002F_transforms\u002F_blogPost\u002F9545\u002Fimage2_2022-10-19-134447_inya.webp\" alt=\"What is a Guillotine Damper?\" \u002F>\u003C\u002Ffigure>\n\u003Ch3 dir=\"ltr\">\u003Cstrong>How Do Guillotine Dampers Work?\u003C\u002Fstrong>\u003Cbr \u002F>\u003C\u002Fh3>\n\u003Cp dir=\"ltr\">Guillotine dampers are named for their resemblance to the French guillotine. The blade of the damper is able to fully retract out of the flow, minimizing any added pressure drop. When the blade is released, it fully seals against the frame to shut off the flow.\u003Cbr \u002F>\u003C\u002Fp>\n\u003Ch3 dir=\"ltr\">\u003Cstrong>Purpose of Guillotine Dampers\u003C\u002Fstrong>\u003Cbr \u002F>\u003C\u002Fh3>\n\u003Cp dir=\"ltr\">Guillotine dampers are typically used in situations where modulation of flow is not needed, but low leakage is important. These dampers can be made from a variety of materials and protective coverings allowing them to operate in difficult, corrosive flows.\u003Cbr \u002F>\u003C\u002Fp>\n\u003Ch3 dir=\"ltr\">\u003Cstrong>Ability to Isolate and Fully Retract\u003C\u002Fstrong>\u003Cbr \u002F>\u003C\u002Fh3>\n\u003Cp dir=\"ltr\">The blade of a guillotine damper slides along load bars to provide strength and keep the blade from deflecting as it closes off the flow. The sealing mechanism allows the blade to fully retract or fully isolate the flow with minimal leakage. Even in dirty conditions, guillotine dampers are able to cut through particulate buildup to reach a fully closed position.\u003Cbr \u002F>\u003C\u002Fp>\n\u003Ch3 dir=\"ltr\">\u003Cstrong>Drive Mechanism and Actuators\u003C\u002Fstrong>\u003Cbr \u002F>\u003C\u002Fh3>\n\u003Cp dir=\"ltr\">Many different drive systems exist for guillotine dampers. Some of the most common options are:\u003Cbr \u002F>\u003C\u002Fp>\n\u003Cul>\u003Cli dir=\"ltr\">\u003Cp dir=\"ltr\">Screwjack\u003C\u002Fp>\u003C\u002Fli>\u003Cli dir=\"ltr\">\u003Cp dir=\"ltr\">Chain and sprocket\u003C\u002Fp>\u003C\u002Fli>\u003Cli dir=\"ltr\">\u003Cp dir=\"ltr\">Rack and pinion\u003C\u002Fp>\u003C\u002Fli>\u003C\u002Ful>\n\u003Ch3>\u003Cbr \u002F>\u003Cstrong>Seal Design\u003C\u002Fstrong>\u003Cbr \u002F>\u003C\u002Fh3>\n\u003Cp dir=\"ltr\">Guillotine dampers are carefully designed so that they can fully close with low leaks in horizontal installations. The sealing mechanism that a guillotine damper uses depends heavily on the pressures present in the application and the operating conditions the blade will be exposed to. High nickel metal alloys are often used as contact seals that are serviceable from outside the damper frame.\u003Cbr \u002F>\u003C\u002Fp>\n\u003Ch2 dir=\"ltr\">Guillotine Damper Applications\u003Cbr \u002F>\u003C\u002Fh2>\n\u003Cp dir=\"ltr\">Guillotine dampers are used in many different applications where isolation is needed. Common applications include:\u003Cbr \u002F>\u003C\u002Fp>\n\u003Cul>\u003Cli dir=\"ltr\">\u003Cp dir=\"ltr\">Power generation\u003C\u002Fp>\u003C\u002Fli>\u003Cli dir=\"ltr\">\u003Cp dir=\"ltr\">Absorber plants\u003C\u002Fp>\u003C\u002Fli>\u003Cli dir=\"ltr\">\u003Cp dir=\"ltr\">Clean rooms\u003C\u002Fp>\u003C\u002Fli>\u003Cli dir=\"ltr\">\u003Cp dir=\"ltr\">Oil-mist rolling facilities\u003C\u002Fp>\u003C\u002Fli>\u003Cli dir=\"ltr\">\u003Cp dir=\"ltr\">Pulp and paper plants\u003C\u002Fp>\u003C\u002Fli>\u003Cli dir=\"ltr\">\u003Cp dir=\"ltr\">Abrasives, adhesives manufacture\u003C\u002Fp>\u003C\u002Fli>\u003Cli dir=\"ltr\">\u003Cp dir=\"ltr\">Chemical companies\u003C\u002Fp>\u003C\u002Fli>\u003C\u002Ful>\n\u003Ch3>\u003Cbr \u002F>\u003Cstrong>When Are They Used?\u003C\u002Fstrong>\u003Cbr \u002F>\u003C\u002Fh3>\n\u003Cp dir=\"ltr\">Intense operating environments often require guillotine dampers for isolation. The ability to operate in temperatures up to 500°F and up to a max differential pressure of 25 in wg. allows guillotine dampers to operate in applications where many other damper types could not. Positive isolation requirements with minimal allowable pressure drop often require guillotine dampers.\u003Cbr \u002F>\u003C\u002Fp>\n\u003Ch3 dir=\"ltr\">\u003Cstrong>Sizes and Materials\u003C\u002Fstrong>\u003Cbr \u002F>\u003C\u002Fh3>\n\u003Cp dir=\"ltr\">Guillotine dampers can be made from a variety of different materials based on the application. Structural or formed shapes can be used in the damper frame to limit deflection and stresses to the specified levels. Stainless steel and other alloys can be used to minimize corrosion of the damper itself.\u003Cbr \u002F>\u003C\u002Fp>\n\u003Ch2 dir=\"ltr\">Guillotine Dampers from AWV\u003Cbr \u002F>\u003C\u002Fh2>\n\u003Cp dir=\"ltr\">AWV offers \u003Ca href=\"https:\u002F\u002Fawv.com\u002Fproduct\u002Fdampers\u002Fsg-series\u002F\">custom order guillotine dampers\u003C\u002Fa> in various frame sizes up to 48” x 48” and larger. Our guillotine dampers are designed on a project-by-project basis with various designs available. Dampers in our SG line of fabricated guillotine dampers are made with formed or structural steel channels with optional mounting holes.\u003C\u002Fp>\n\u003Cp dir=\"ltr\">The SG line features a fully retractable flat plate blade that is fully removed from the air stream when open. When closed, the guillotine damper provides low leakage and isolation at up to 15” wc of differential pressure. AWV guillotine dampers are built to last and have the look and functionality that you desire. Consider your options, then contact us today for more information.\u003C\u002Fp>\n\u003Cfigure class=\"image\">\u003Cimg src=\"https:\u002F\u002Fawv-cdn.nyc3.cdn.digitaloceanspaces.com\u002Fblog\u002F_transforms\u002F_blogPost\u002F9544\u002Fimage1_2022-10-19-134436_vzlv.webp\" alt=\"Guillotine Dampers from AWV\" \u002F>\u003Cfigcaption>Pictured is the SG-series Guillotine Damper from AWV\u003C\u002Ffigcaption>\u003C\u002Ffigure>\n\u003Ch2 dir=\"ltr\">The Benefits of AWV’s Guillotine Dampers\u003Cbr \u002F>\u003C\u002Fh2>\n\u003Cp dir=\"ltr\">An industry leader in multi-blade rectangular and round dampers, AWV guillotine dampers are known for their excellent design and are built to meet the requirements of the most severe operating conditions. Years of experience controlling hot, corrosive particulate-laden air and gas flows gives AWV the know-how needed to build superior guillotine dampers for any application:\u003Cbr \u002F>\u003C\u002Fp>\n\u003Cul>\u003Cli dir=\"ltr\">\u003Cp dir=\"ltr\">Sill stops provide maximum seal pressure due to their angled installation\u003C\u002Fp>\u003C\u002Fli>\u003Cli dir=\"ltr\">\u003Cp dir=\"ltr\">Guide pins prevent particulate buildup with the guillotine damper’s tracks\u003C\u002Fp>\u003C\u002Fli>\u003Cli dir=\"ltr\">\u003Cp dir=\"ltr\">Application-specific throat seals minimize leakage of contaminants\u003C\u002Fp>\u003C\u002Fli>\u003Cli dir=\"ltr\">\u003Cp dir=\"ltr\">Beveled blade edges maximize sealing\u003C\u002Fp>\u003C\u002Fli>\u003Cli dir=\"ltr\">\u003Cp dir=\"ltr\">Protective boots protect drive components\u003C\u002Fp>\u003C\u002Fli>\u003C\u002Ful>\n\u003Ch2>\u003Cbr \u002F>AWV Options and Accessories\u003Cbr \u002F>\u003C\u002Fh2>\n\u003Cp dir=\"ltr\">AWV offers an expansive selection of options and accessories to simplify installation and provide the functionality required: \u003Cbr \u002F>\u003C\u002Fp>\n\u003Cul>\u003Cli dir=\"ltr\">\u003Cp dir=\"ltr\">Manual, electric and pneumatic actuation options\u003C\u002Fp>\u003C\u002Fli>\u003Cli dir=\"ltr\">\u003Cp dir=\"ltr\">Customizable size depending on application\u003C\u002Fp>\u003C\u002Fli>\u003Cli dir=\"ltr\">\u003Cp dir=\"ltr\">Mounting holes built to a specified pattern\u003C\u002Fp>\u003C\u002Fli>\u003Cli dir=\"ltr\">\u003Cp dir=\"ltr\">Designs specified to meet leakage requirements (CFM, ACFM, or % of flow)\u003C\u002Fp>\u003C\u002Fli>\u003C\u002Ful>\n\u003Ch2 dir=\"ltr\">Why Choose AWV Guillotine Dampers?\u003Cbr \u002F>\u003C\u002Fh2>\n\u003Cp dir=\"ltr\">Guillotine dampers are typically used in environments and applications where performance is critical. When selecting a guillotine damper for these types of applications, go with the name you can trust. \u003C\u002Fp>\n\u003Cp>\u003Cbr \u002F>AWV has earned their reputation through a commitment to excellence and consistently delivering equipment that exceeds expectations. To learn more about why AWV should be your guillotine damper manufacturer of choice, \u003Ca href=\"https:\u002F\u002Fawv.com\u002F\">reach out to our engineers today\u003C\u002Fa>.\u003Cbr \u002F>\u003C\u002Fp>",[11],{"__typename":12,"url":13},"blog_Asset","https:\u002F\u002Fawv-cdn.nyc3.cdn.digitaloceanspaces.com\u002Fblog\u002Fimage1_2022-10-19-134436_vzlv.png",[],[16,22,26],{"__typename":17,"id":18,"tagName":19,"slug":20,"title":21},"blogPostsTags_Tag","5644",null,"dampers","Dampers",{"__typename":17,"id":23,"tagName":19,"slug":24,"title":25},"10845","isolation","Isolation",{"__typename":17,"id":27,"tagName":19,"slug":28,"title":29},"10846","low-leakage","Low Leakage",[],[],{"metaJsonLdContainer":33,"metaLinkContainer":34,"metaScriptContainer":35,"metaTagContainer":36,"metaTitleContainer":37},"{\"mainEntityOfPage\":{\"@context\":\"https:\\\u002F\\\u002Fschema.org\",\"@type\":\"CreativeWork\",\"author\":{\"@id\":\"#identity\"},\"copyrightHolder\":{\"@id\":\"#identity\"},\"copyrightYear\":\"2022\",\"creator\":{\"@id\":\"#creator\"},\"dateCreated\":\"2022-10-19T09:35:12-04:00\",\"dateModified\":\"2024-04-23T13:39:08-04:00\",\"datePublished\":\"2022-09-06T09:35:00-04:00\",\"description\":\"Guillotine dampers have the ability to completely shut off a flow, even of corrosive flows like live flue gas.\",\"headline\":\"What Are Guillotine Dampers and How Do They 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Take it online at your own pace and earn learning units through our AIA Providership.","\u003Cp>Louvers are an essential part of every HVAC system, facilitating appropriate airflow and inhibiting unwanted penetration by water, snow, or debris through wall openings and into HVAC ductwork. However, they can have other purposes. Their straightforward design makes them a versatile addition and a unique style option for any project.\u003C\u002Fp>\n\u003Cp>\u003C\u002Fp>\n\u003Cp>Take \"Louvers for Style and Aesthetics\" today and earn learning units through our AIA Providership. You can take the course online and learn at your own pace or schedule a live learning session. AWV offers in-person sessions and webinars, taught by our louver experts. 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Learn the best scenarios for “Extreme Weather Louvers”.","\u003Cp>FEMA 361 louvers and Hurricane-rated louvers are built for extreme weather scenarios: times when windspeeds exceed 100 miles per hour and windborne debris becomes a real danger. 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