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ETHANOL SPECIFIC VALVE? Rotary Airlock has been working within the Ethanol Industry for years and we've seen the struggles ethanol companies and their maintenance teams have faced over and over again with their valves. ​ With this experience we collaborated with of our customers, maintenance teams, process engineers, and our engineering team, to design, test, and implement a Package specifically formulated for the Ethanol Industry to alleviate those struggles and headaches. ​ Touting a Housing and End-Cap configuration of 304L Stainless Steel, and Wear-Plates paired with an Open, Fixed or Adjustable 304L Stainless Steel Vanes, aboard a 304L Stainless Steel Shaft, there is no part of a valve that wasn't inspected and engineered to excel within the Ethanol Industry. ​ ​ DISCOVER MORE HOW WE DO IT. We offer an exact drop-in replacement or we can convert your original OEM valve. ​ Depending on your choice above determines just what work we do, so t ake a look at the slide-decks to see the steps we take during each process. ​ ​ ​ *or download the .PDF of those slides below DROP-IN VALVE Download .PDF CONVERT OEM Download .PDF - Aug 22, 2019 3 min . . .Especially Ethanol. 703 WHO WE'VE HELPED It may sound a little crazy but we work ourselves out of work. That is to say, we have provided Ethanol specific updates and solutions to hundreds of clients and they work so well they continue to run their valve today. ​ We believe this is the right way to do business. We provide value to you our clients and treat every situation, product, and solution as if it were being made for us. READ MORE

RESOURCES Looking for specifications or more detailed information on one of our valves? Browse through our selection of videos, .PDFs, and more. IOM Manual DOWNLOAD Rotary Airlock, LLC I/O/M Manual (2021) DOWNLOAD Rotary Airlock, LLC Rotary Valve Parts & Terminology (2022) BROCHURES & WHITEPAPERS DOWNLOAD Rotary Airlock, LLC Company Brochure (2020) DOWNLOAD Rotary Airlock, LLC Asphalt Brochure (2020) DOWNLOAD Rotary Airlock, LLC Ethanol Brochure (2020) DOWNLOAD Rotary Airlock, LLC NFPA Whitepaper DOWNLOAD Rotary Airlock, LLC USDA Certification DOWNLOAD Rotary Airlock, LLC Line Card VIDEO GALLERY HOW-TO: WHAT'S THE DIFFERENCE: SAFETY: EXCLUSIVE: BLOG & SOCIAL 3 min NFPA, FIRE CODE, OSHA. OH MY! 291 3 min . . .Especially Ethanol. 703 3 min Direct Drives Only... 426

New RAS™ Valve SBO-151 1314 4" (REPLACES WALINGA 1314-4) REQUEST A QUOTE DOWNLOAD CUTSHEET New RAS™ Valve SBO-151 1314 5" (REPLACES WALINGA 1314-5) REQUEST A QUOTE DOWNLOAD CUTSHEET Rebuilt Exchange Valve WALINGA 1314-4 REQUEST A QUOTE Rebuilt Exchange Valve WALINGA 1314-5 REQUEST A QUOTE DON'T SEE YOUR OEM or SIZE? GIVE US A CALL, WE WORK ON THEM ALL! (815) 626-0388

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

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?

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.