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Rotary Airlock LLC | (815) 564-1712 | 301 W. 3rd Street, Ste L, Sterling, IL 61081 YOUR Airlock Solution. Guaranteed. PACKAGES With the extraordinary team consisting of industry experts, engineers, control specialists, welders, and machinists we are able to diagnose, engineer, and execute a solution no matter the industry or application. We'll provide YOUR airlock solution. Guaranteed. FIND YOUR PACKAGE BY ANSWERING THE QUESTION BELOW What type of valve do you need? SANITARY SEMI-SANITARY NON-SANITARY YES NO Are you a part of the Chemical or Plastics Industry? YES NO How long does your valve run before going down? 1+ YEAR 6-12 MONTHS -6 MONTHS Do you produce ethanol ? YES NO How long does your valve currently run before going down? 2+ YEARS -2 YEARS What type of product are you operating through your valves? VISCOUS CORROSIVE ABRASIVE How corrosive is your product? MODERATELY (4+ pH) SEVERELY (-4 pH) Are you a part of the asphalt industry? YES NO 3+ YEARS 2-3 YEARS 1-2 YEARS 6-12 MONTHS -6 MONTHS Is your product Sticky, Viscous, or have trouble releasing? How long does your valve currently run before going down? Is Sticky? Chemical? Chemical how long? Ethanol? Ethanol how long? What type? Corrosive? Asphalt? How long?

Rotary Airlock LLC | (815) 564-1712 | 301 W. 3rd Street, Ste L, Sterling, IL 61081 YOUR Airlock Solution. Guaranteed. Kice Drop-In Replacement SDO-71 | Ethanol Outfitted with our ET Standard package, the SDO-71 handles the heavy corrosion and wear in Ethanol production with ease and strength. By replacing those product facing seals and giving you nothing short of the industry's Master Class outboard seal & flange bearings (where both can be changed IN-LINE in less than 15 minutes) puts your Ethanol valve truly into a Master Class all it's own. BUILD YOUR VALVE DOWNLOAD CUTSHEET SEE PHOTOS 304L Stainless Steel Housing, Endcaps, & Rotor, conquer corrosion no matter the application. A proprietary MAP Seal System means changing seals IN-LINE in less than 15 minutes. The industry's Safety Standard & NFPA-69 Compliant Direct Drive Features 304L Stainless Steel Housing, Shaft, End-Caps, & Rotors Proprietary Outboard MAP Seal System Piloted Flange Bearings Safety Standard Direct Drive High Temp & I-Alert Ready 1 2 3 Valves with this type of configuration should be in every Ethanol plant, everywhere. Zach B. - Illinois Want to Learn More about the SDO-120 Ethanol Valve? Get a quote online. QUOTE NOW

Rotary Airlock LLC | (815) 564-1712 | 301 W. 3rd Street, Ste L, Sterling, IL 61081 YOUR Airlock Solution. Guaranteed. WHY DIRECT DRIVE? THE HIGHEST SAFETY STANDARD Chain driven valves carry open chain guards allowing hands, clothing, shoelaces, debris, etc to access moving chains, shafts, and sprockets. Those chains and sprockets require a lubricant too that must be applied from under the open chain guard, dangerously requiring hands and fingers close to moving parts at an unsafe & unstable angle. With unfinished, jagged, & sharp metal edges (at an exact point where hands/fingers are required to work no less) and a required mounting table which increases materials, and therefore the valves, costs and maintenance issues, chain driven valves hold immediate safety hazards and higher costs. Speaking of higher costs, they require you to store sprockets, chains, repair parts & tools, additional lubricants and more on hand. These all inflate and eat into your maintenance & inventory budget and ultimately, your bottom line. BREAK THE CHAIN! *see what we did there ;) Without extensive access to moving parts like chain driven valves have, Direct Drives eliminate possible hazard points and lowers the possibilities of injury during operation & maintenance. With a direct drive, there is ZERO need for additional sprockets, chains, repair parts, and...well, you get the point. There's no need to diminish your maintenance & inventory budget and keeps the costs from job site accidents out of the equation, ultimately, increasing your profits. CALL NOW! Click the image below to download the comparison .PDF now!

Rotary Airlock LLC | (815) 564-1712 | 301 W. 3rd Street, Ste L, Sterling, IL 61081 YOUR Airlock Solution. Guaranteed. Come Work With Us! No phone calls, please. Rotary Airlock is an Equal Opportunity Employer Upload Resume Max File Size 15MB Submit Thanks for submitting!

Rotary Airlock LLC | (815) 564-1712 | 301 W. 3rd Street, Ste L, Sterling, IL 61081 YOUR Airlock Solution. Guaranteed. NFPA-69 YOUR FIRE SAFETY STANDARD CLICK & DRAG HERE Fire safety at the core 8-Vane completely steel rotor* Ignition point removed entirely with outboard bearings Close Clearance configuration to quench any possible ignitions. REQUEST A QUOTE SEE INDUSTRY IN-DEPTH POST To play, press and hold the enter key. To stop, release the enter key. Rotary Airlock has engineered and developed NFPA Compliant Valves that exceed safety standards across all makes & models. With thick carbon steel housings that are hand-welded and individually inspected, you can rest assured your valves are built to withstand the pressure of a fire. You won't find any rubber or plastic-tipped vanes either. Rotary Airlock's NFPA Valves contain at least 8 completely steel vanes instead of the non-compliant 6 or rubber-tipped vanes of some valves (primarily dust collectors). These completely steel vanes carry clearances no more than .0079in from the housing too. This NFPA compliant clearance suffocates a fire, quenching its oxygen supply and helping contain the flames, ultimately aiding extinguish it. That's just the base of each model. Can we introduce you to a maintenance and compliance dream outboard seal & bearing system too? Rotary Airlock's proprietary Rapid Access endcap configuration on NFPA compliant valves carries an outboard CLF Bearing System and Rotary Airlock's proprietary MAP Seal System . With this NFPA & Maintenance focused configuration, you can monitor and completely change seals & bearings In-L ine and in under 15 minutes so get the best of safety and convenience today. HOVER HERE! Completely Steel Rotor Ignition Point Removed Change Seals & Bearings In-Line With at least 8-Vanes, these rotors are completely steel, so standing up to the heat is a walk in the park. Then clearances under .079in these rotors help suffocate fires too, keeping them from spreading and aiding extinguish flames sooner. . With Rotary Airlock's CLF Bearing System, the Rapid Access endcap configuration has removed the ignition point from the equation entirely. You can rest easy knowing your valves won't become a fire hazard. In less than 15 minutes, you can change our proprietary MAP Seal and CLF Bearing Systems In-Line . No need to pull an airlock means less downtime, less labor, and more product & profit for your bottom line. PREMIER SAFETY OPTIONS THE ULTIMATE SAFETY VALVE. . . Those upgrades are just the base for every NFPA compliant valve Rotary Airlock manufactures. We have gone even further to offer Direct Drives for ANY make & model as well. This Plug-N-Play set-up is the industry safety standard that minimizes access to moving parts and alleviates additional parts & inventory requirements. It also requires less maintenance time & labor, thus saving your budget and ultimately increasing profits all while eliminating hazard points for you and your team. YOUR DEFENSE AGAINST PLANT FIRES & DEFLAGS Starting with Rotary Airlocks premium construction standards, (American Sourced, carbon steel, hand-welded, full steel rotors & housing, with close clearance configurations, and maintenance geared outboard systems) , makes Rotary Airlocks NFPA compliant valves what the rest of the industry strive to be. SAFETY FIRST With so many valves (especially dust collectors) fabricated from foreign gauged rolled steel and containing rubber-tipped vanes (wiper blades), the safety of your plant and people needs to start right at the construction standards of your equipment. Here is a look at Rotary Airlocks NFPA compliant dust collector construction materials and thickness. Outboard CLF Bearing System 3/4" Carbon Steel Housing 5/8" Carbon Steel Endcaps Completely Steel Vanes Close Clearances (.0079 or less) WHY IT MATTERS With the dust collection system doing, well, precisely what it's supposed to, collecting dust, it becomes the perfect fuel for a plant fire or explosion. It's a system of highly flammable, well-ventilated material that has an express lane across a plant. Dust Collector valves within that system could play a significant role in containing a fire before it travels further down the line. All Dust Collectors are non-compliant because they have rubber-tipped vanes that can't withstand heat from a fire or contain an explosion. Let's not forget the housing. All Dust Collector housings have thin sheet steel that is bent into shape. These valves can't stand up against the pressure from an explosion, allowing a fire to expand and grow. All Dust Collectors have non-compliant inboard bearings. When a seal fails, it allows product to get to the bearing ultimately making the bearing fail too. Bearing failure can lead to metal-to-metal contact, leading to sparks. This turns a dust collector into a flint and tinderbox, sparking a fire with no obstacles to contain or extinguish it. IS YOUR PLANT AT RISK? PAY ATTENTION TO THESE PARTS. . . When a rotary valve needs repair or maintenance, resulting issues can create a fire risk. Leaking material, for instance, is a source of combustible dust. Strange noises can indicate product buildup or increased rotor clearance — a vital sign of a non-compliant valve. Worn-out or damaged parts can increase the risk of fires, deflagrations, or explosions in a plant. Keep a close eye on the following valve parts and equipment: Rotor Vanes: Rotors should have a minimum of eight vanes. To keep flames contained within the rotor pockets, at least two vanes must stay in contact with the housing at all times. That means a six-vane rotor won’t do. The vanes must be at least 3 mm thick. Rotor Tips: Rubber or plastic rotor vanes can’t withstand the heat of a deflagration, so make sure your rotor is equipped with steel vanes. (ie. Rubber Tipped Dust Collectors ARE NOT NFPA Compliant) Shaft Seals: Worn-down shaft seals often cause leaks, which increase the risk of fire as a source of combustible dust. Replace shaft seals and packing regularly to prevent the issue. Dust Collector Filters: To prevent clogs and minimize issues with your dust collectors, including the buildup of combustible dust, keep extra filter bags or cartridges handy. Long Radius Elbows: Conveying long radius elbows degrade faster than most other parts, and wear can lead to a drop of pressure and leaking material. It’s useful to keep extra elbows in stock to fix the problem. Rotor-To-Housing Tolerance: Proper clearances are imperative in an NFPA-compliant valve. You must regularly check your valve’s rotor-to-housing clearances, or tolerances, to make sure they stay at 0.0079in. or below. If they get any larger than that, it’s time to replace the valve. STAYING SAFE PRECAUTIONS FOR YOUR PLANT Aside from regular repair and maintenance, you can take several precautions to ensure your rotary valves and conveying system comply with NFPA regulations. On the valve side, the right outboard bearings will reduce material buildup (a fuel source) and prevent friction (a source of ignition). Rotary Airlocks CLF Bearing System removes the possibility of both. Proper shaft seal assemblies should reduce heat and static electricity. It’s worth stocking up on the valve parts mentioned above to ensure you can quickly replace them when the time comes. If you need an entirely new rotary valve, you should be looking at options that are NFPA compliant as a standard, and with construction standards that are NFPA compliant. Take a look at housing thickness and steel choices for example. 1/2" thick, American Sourced, Carbon Steel like what Rotary Airlock has a production standard for manufacturing all of our valves from, IS NFPA compliant. Gauged, Foreign Sourced, Rolled Steel that is prevalent in the industry is NOT . Always transport heat-sensitive bulk materials under appropriate temperature, humidity, and conveying gas conditions. Besides that, proper ventilation and regular plant housekeeping are critical. Make sure to stay on top of your preventative maintenance schedule and keep historical logs of everything you do. Rotary valves help or hinder your fire safety efforts, depending on how they’re made and maintained. It’s essential to understand how fires and deflagrations start in a manufacturing facility. Manufacturing and processing properties tend to be more prone to structural fires, and conveying systems are rife with combustible materials. Fires start when fuel, an oxidizer, and an ignition source come into contact with each other. Deflagrations are more complicated — and more dangerous. When a heat source moves over and ignites cold materials, it creates a form of combustion called deflagration. This is a fast-moving fire that can spread across manufacturing lines and consume more material as it progresses, creating a chain reaction that is difficult to contain. Key Components To Be Aware Of 5 Conditions that start a Deflagration: 1. Fuel, which comes in the form of combustible dust 2. An oxidizer, which often means too much oxygen in your system 3. An ignition source, such as friction or overheated material 4. Dust particles concentrated in one area 5. Dust particles confined to a small space The latter two may take the form of dust clouds in the air or on your machinery. Rotary valves play a big part in controlling these conditions. They manage fuel and ignition sources and limit the amount of oxygen feeding the flames. In other words, when a fire breaks out, valves act as isolation devices to stop the spread of fire along your conveying line. That said, an NFPA compliant rotary valve has specific design and construction elements. It also needs regular maintenance and repair to keep it operating safely. To stay compliant, make sure your valve is outfitted with the right parts and watch for signs that your system needs attention. If you have any questions or concerns with your valves and NFPA compliance contact Rotary Airlock at (815) 626-0388 or info@rotaryairlock.com The NFPA broadcasts their guidelines in book or .pdf format for purchase. These are really wordy with a ton of people's names that are useless to you and full of legal jargon. Worse yet you have to pay for it. We have provided a FREE guideline of ALL of the DIRECT measures to make sure you're airlocks are operating within the NFPAs Code. Download guideline here How do I know if my valves are NFPA compliant? 1. If you find that you are not in compliance not to worry. We have the knowledge & expertise to reconstruct your existing airlocks to comply with NFPA-69 guidelines or fabricate a completely new custom airlock for your system that fits within those guidelines. What if I'm not in compliance? 2. Absolutely Not! Rotary Airlock can, and has, engineered and reconstructed ALL makes & models of airlocks to be NFPA compliant across all industries. So you'll get YOUR airlock, the way YOU deserve without gouging your budget. Do I really have to buy whole new valves? 3. Last year in the US alone large-loss fires (those with over $10 Million in losses) resulted in 52 deaths, 233 injuries, and an estimated $12.5 billion in direct property losses. Don't let the loss of those dollar signs and, more importantly, the loss of those human lives land at your feet. Why do I need to be NFPA compliant? 4.

Rotary Airlock LLC | (815) 564-1712 | 301 W. 3rd Street, Ste L, Sterling, IL 61081 YOUR Airlock Solution. Guaranteed. for ANY Ethanol Application SDO-71 Valve (Replaces KICE Valves) for ANY Ethanol Application SDO-120 Valve (Replaces ROTOLOK Valves) ...ESPECIALLY ETHANOL A MASTER CLASS VALVE ALL ITS OWN If we've said it once, we've said it a thousand times, other OEMs build their valves to fit their SYSTEMS not to fit your APPLICATION. The ethanol industry gets hit with the brute honesty of this statement more than most. No matter what type of system you have, corrosion, failed seals, and broken braces are a constant struggle the Ethanol Industry faces. Some original valves see SO MUCH corrosion they may as well be a chute. These same valves are configured with product facing seals that CONSTANTLY fail, and fail, and fail. Why would you provide a valve, cast from the wrong material for the application, and with seals that are explicitly designed for industries other than ethanol? Let's not forget the chemical processes of ethanol being time and environment-sensitive, have NO ROOM for downtime. So why do some Ethanol valves have lead times that are MONTHS!, and that's for the same FAILED configuration! A Cut Above the Rest Rotary Airlock has specifically poured their efforts into alleviating the struggles the Ethanol industry faces. We have engineered, tested, and implemented hundreds of valves SPECIFICALLY for ethanol applications. With all-new stainless steel rotors, stainless steel wear plates, and chrome housings, corrosion NEVER stands a chance. We even replace those product facing seals and give you nothing short of the industry's Master Class outboard seal & flange bearing where both can be changed IN-LINE in less than 15 minutes. Rotary Airlock's Ethanol Package applied to your valve makes it truly a Master Class valve all it's own. So when it comes to expert knowledge, the right products, and correct application, there is only one choice, Rotary Airlock, especially when it comes to ethanol. STAINLESS STEEL ROTOR Corrosion doesn't stand a chance. Used in moderately corrosive applications and/or those designating a need for food-grade quality. Corrosion-resistant 304L Stainless can be found throughout your entire valve but especially your rotor configuration. FULLY FABRICATED BRACES Fully fabricated, NEVER cast. Our valves are fully fabricated for strength and reliability and never cast. So you won't have to worry about snapped braces, fractured housings, or cracked endcaps throwing your rotors our of spec. and destroying bearings. RAPID ACCESS ENDCAP Change seals & bearings, IN-LINE. In less than 15 minutes, you can change our proprietary MAP Seal and piloted flange bearing all In-Line. No need to pull an airlock means less downtime, less labor, and more product & profit for your bottom line. MADE IN AMERICA Made right here in the heart of USA. We are an American company, providing for American families. Located here in the heart of the USA, we know how important quality and reliability are, as well as lead times so quick we want them to have their own express lane.

Rotary Airlock LLC | (815) 564-1712 | 301 W. 3rd Street, Ste L, Sterling, IL 61081 YOUR Airlock Solution. Guaranteed. New RAS™ Valve SDO-133 12 (REPLACES SMOOT FT-12 4") REQUEST A QUOTE DOWNLOAD CUTSHEET New RAS™ Valve SDO-133 14 (REPLACES SMOOT FT-14 5") REQUEST A QUOTE DOWNLOAD CUTSHEET New RAS™ Valve SDO-133 16 (REPLACES SMOOT FT-16 6") REQUEST A QUOTE DOWNLOAD CUTSHEET Rebuilt Exchange Valve SMOOT FT-12 4" REQUEST A QUOTE Rebuilt Exchange Valve SMOOT FT-14 5" REQUEST A QUOTE Rebuilt Exchange Valve SMOOT FT-16 6" REQUEST A QUOTE DON'T SEE YOUR OEM or SIZE? GIVE US A CALL, WE WORK ON THEM ALL! (815) 626-0388

Rotary Airlock LLC | (815) 564-1712 | 301 W. 3rd Street, Ste L, Sterling, IL 61081 YOUR Airlock Solution. Guaranteed. New RAS™ Valve RSDO-75 12x10 (REPLACES MAC HD 12x10 4") REQUEST A QUOTE DOWNLOAD CUTSHEET New RAS™ Valve SDO-75 16x12 (REPLACES MAC HD 16x12 5") REQUEST A QUOTE DOWNLOAD CUTSHEET Rebuilt Exchange Valve MAC HD 12x10 4" REQUEST A QUOTE Rebuilt Exchange Valve MAC HD 16x12 5" REQUEST A QUOTE DON'T SEE YOUR OEM or SIZE? GIVE US A CALL, WE WORK ON THEM ALL! (815) 626-0388

Rotary Airlock LLC | (815) 564-1712 | 301 W. 3rd Street, Ste L, Sterling, IL 61081 YOUR Airlock Solution. Guaranteed. Direct Drive Conversion HOW QUICKLY ARE YOU LOOKING TO CHANGE YOUR DRIVE(S)? Submit

Rotary Airlock LLC | (815) 564-1712 | 301 W. 3rd Street, Ste L, Sterling, IL 61081 YOUR Airlock Solution. Guaranteed. ENGINEERING YOUR NEEDS FOR ALMOST 25 YEARS! At Rotary Airlock LLC, our mission began in 1995 with a simple notion: to provide quality airlock solutions with unmatched customer service. With a history in tooling and steel fabrication, we had the unrivaled experience & resources to help solve unique airlock problems with custom solutions. Now, almost 25 years later, we have over 40,000 airlocks under our belt. We have fabricated and reconstructed every line of airlocks since the first day, and we know what makes them fail and what precise innovation not only provides the solution but even extends the life of your airlock. With our teams' knowledge & experience, we have YOUR airlock solution. Guaranteed.

Rotary Airlock LLC | (815) 564-1712 | 301 W. 3rd Street, Ste L, Sterling, IL 61081 YOUR Airlock Solution. Guaranteed. Rotolok Drop-In Replacement SDO-120 | Ethanol Outfitted with our ET Standard package, the SDO-120 handles the heavy corrosion and wear in Ethanol production with ease and strength. Engineered to handle even the most strenuous and corrosive applications, the SDO-120 is configured so you won't have to worry about those cracked & broken braces any longer. Constructed from 304L Stainless and NEVER cast, Rotary Airlock Valves are made right here in America with quality & reliability with your Ethanol application at the forefront of its design. BUILD YOUR VALVE DOWNLOAD CUTSHEET SEE PHOTOS 304L Stainless Steel Housing, Endcaps, & Rotor, conquer corrosion no matter the application. A proprietary MAP Seal System means changing seals IN-LINE in less than 15 minutes. Carbon Steel and NEVER cast means NEVER experiencing cracked & broken braces on your end-caps again. Features 304L Stainless Steel Housing, Shaft, End-Caps, & Rotors Proprietary Outboard MAP Seal System Piloted Flange Bearings Safety Standard Direct Drive High Temp & I-Alert Ready 1 2 3 Valves with this type of configuration should be in every Ethanol plant, everywhere. Zach B. - Illinois Want to Learn More about the SDO-120 Ethanol Valve? Get a quote online. QUOTE NOW

Rotary Airlock LLC | (815) 564-1712 | 301 W. 3rd Street, Ste L, Sterling, IL 61081 YOUR Airlock Solution. Guaranteed. CLF BEARING SYSTEM BY ROTARY AIRLOCK LLC Your maintenance dream come true. Change Bearings In-Line No Pulling Endcaps Locks Axial Clearances (Set It And Forget It) NFPA-69 Compliant To play, press and hold the enter key. To stop, release the enter key. SEE CLF BEARING SIZES CLICK & DRAG HERE Rotary Airloc k's CLF Bearing System is engineered for industrial manufacturing applications with Maintenance & Safety at the forefront of its design. Not only is it NFPA-69 compliant, but its durability and convenience to change in-line in minutes have allowed customers to lower labor times and standardize onboarding and maintenance plans. Keeping your budgets, inventory, and unplanned maintenance at an all-time low. HOVER HERE! Change Bearings In-Line NFPA-69 Compliant Convenient Kits Save Inventory In less than 15 minutes, you can change our proprietary CLF Bearing and MAP Seal ™ all In-Line . No need to pull an airlock or remove endcaps means less downtime, less labor, and more product & profit for your bottom line. Rotary Airlock's CLF Bearing System is the premier NFPA compliant bearing system on the market for EVERY industry. Whether it's sugar processing, food production, or even fly ash, you'll know you have a bearing designed to last. There's always inventory to keep on hand, so we made convenient replacement kits so your inventory, doesn't eat into your budget. With fast delivery and economical pricing, your CLF Bearings can be shipped fast or kept on hand without gouging your bottom line. THE PREMIER BEARING FOR YOUR INDUSTRY Rotary Airlock can manufacture any make & model of airlock or feeder valve with the NFPA-69 Compliant and Maintenance focused CLF Bearing System. Because of its engineering, this bearing system provides the greatest return on investment in the industry by lowering maintenance, inventory, and training costs all while being the premier NFPA compliant solution that can be changed in under 15 minutes. THE DESIGN The CLF Bearing System is a piloted outboard bearing system that can be replaced and maintained In-Line. Not only does its configuration and ratings meet current NFPA-69 standards, but while the bearing maintains the radial clearances the proprietary locking nut makes the CLF Bearing System the ONLY bearing system to maintain Axial clearances as well. MADE IN THE U . S . A . ENGINEERING With bearings, there's always inventory to keep on hand. We made it so that inventory, doesn't eat into your profits. Grease Zerk Piloted Removal Concentric Locking Mechanism Threaded Locking Collar With fast delivery and economical pricing, your CLF Bearings can be shipped quickly or kept on hand without gouging your bottom line. CLF BEARING SIZES With Standard & High Temp options available, these bearings were designed to operate at temperatures ranging from deep below freezing, to well above 450° F, making the CLF Bearing System perfect for any process at any temperature. Discover the only bearing system you'll ever need by contacting a team member now. RA-39 & HI RA-39 7. 7 " RA-31 & HI RA-31 6 .5 " Size is determined by the OD of the Bearing. Piloted fit for ease and alignment every time. BACK VIEW Sizes FIRE & SAEFTY NFPA Compliant Rotary Airlock's C LF Bearing System is NFPA-69 compliant for rotary valves in EVERY industry. Whether it's sugar processing, ethanol production, or even pharmaceuticals, you'll know you have a bearing designed for safety.