Tel: 815-564-1707  |  Fax: 815-626-5366

OUR HOURS

Mon - Fri: 7am - 3:30pm CST

ALMOST 25 YEARS EXPERIENCE
OUR SERVICES
MADE IN AMERICA

We are the ONLY 1-off airlock manufacturer in the world. No matter the industry or application we have YOUR airlock solution. Guaranteed.

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- Consultation | Problematic Airlock Diagnosis

- Custom Configuration

- Plant Visits

- Drop-In Replacements

-NFPA & USDA Compliant Options

- Personal Point of Contact | Support

  Plus Much More!

301 W. 3rd Street, Ste L

Sterling, IL 61081

U.S.A.

CAREERS

© 2019 by Rotary Airlock LLC | YOUR Airlock Solution. Guaranteed.

 

01

ENGINEERED FOR YOUR PROCESS

Unlike the other OEMs who build your valve to fit the SYSTEM you have, Rotary Airlock has designed, engineered, tested, and implemented Drop-In Replacement valves that are constructed SPECIFICALLY for your process. From 316L Stainless, AR 500 wear plates, and 17-4 Shafting to name a few, we have YOUR airlock solution, no matter your application or industry.

Here are just some of the industries we've worked with over the last 25 Years...

 

THE INDUSTRY'S STRONGEST HOUSING

Unlike the other OEMs who mass cast their housing with cheap steel to save the bottom line, Rotary Airlock puts you the customer first and builds our airlocks right here in America from hardened steel. 

02

MILD STEEL

This is the base material for almost all standard and non-corrosive applications.

304L Stainless Steel

This is the base material for moderately corrosive applications and those designating a need for food-grade quality.

316L Stainless Steel

This is the base material for severely corrosive applications and those designating a need for food-grade quality.

Both AR400 & AR500 are used in the production of Housing Liners as well

 

03

YOUR ROTOR, THE RIGHT WAY

At Rotary Airlock, we implement your EXACT configuration for your application. Every rotor configuration and material is individually analyzed, welded, inspected, and tested. From an Open Rotor w/Fixed vanes to a Closed Rotor w/Adjustable Tips, we work directly with you, your engineers, and your maintenance teams to ensure a Master Class configuration just for you.

ROTOR CONFIGURATION

OPEN ROTOR  |  FIXED VANES

This rotor plan is standard across almost all AIRLOCK configurations.

CLOSED ROTOR  |  FIXED VANES

This rotor plan is standard across almost all gravity FEEDER configurations.

CLOSED ROTOR  |  ADJUSTABLE TIPS

This rotor plan is recommended by Rotary Airlock for SPECIFIC/CUSTOM configurations. *Not usually suggested across most industries but is available.

Approximately 1-1.5 degree vane angle that is recommended for applications with force filled pockets that helps aid in the separation of bulk material as it is introduced into the valve

CANTED VANES  |  1-1.5 

VANE CONFIGURATION

Approximately 5-5.5 degree vane angle that is not readily used but is available for specific/custom configurations.

HELICAL VANES  |  5-5.5 

VANE MATERIAL

MILD STEEL

This is the base material for almost all standard and non-corrosive applications.

304L Stainless Steel

This is the base material for moderately corrosive applications and those designating a need for food-grade quality.

316L Stainless Steel

This is the base material for severely corrosive application sand those designating a need for food-grade quality.

AR400  |  PROPRIETARY TO ROTARY AIRLOCK

This is the base material that is specialty steel designed at the chemical level for improved wear resistance for specific applications. AR stands for Abrasion Resistant.

AR500  |  PROPRIETARY TO ROTARY AIRLOCK

This is the base material that is specifically for applications requiring superior wear resistance and will ordinarily outlast other steel grades. AR500 steel is heat-treated to exhibit thorough-hardening, improved forming, and welding capabilities.

SHAFT MATERIAL

MILD STEEL

This is the shaft material recommended for almost all standard, non-abrasive, and non-corrosive applications.

4140

This is the shaft material recommended for moderate to severely abrasive applications and is especially recommended for resistance to wear in seal areas.

304L Stainless Steel

This is the shaft material recommended for moderately corrosive applications and those designating a need for food-grade quality.

316L Stainless Steel

This is the shaft material recommended for severly corrosive applications and those designating a need for food-grade quality.

17-4 Stainless Steel  |  PROPRIETARY TO ROTARY AIRLOCK

This is the shaft material recommended for applications requiring moderate to high torsion strength and moderate to severely corrosive applications.

2205 Stainless stell  |  PROPRIETARY TO ROTARY AIRLOCK

This is the shaft material recommended for applications requiring high to severe torsion strength and moderate to severely corrosive applications.

BEVEL CONFIGURATION

TIPS

Bevel configurations are recommended for applications with a product that could cause binding or carry difficulty with releasing.

 

The configuration that is recommended is based on the type of product within your application.

 

*All configurations are available in Standard or Knife Edge Bevels.

SIDES

TIPS & SIDES

BRACING CONFIGURATION

Bracing is recommended on very specific applications. Most vane configurations do not require bracing but those applications with larger aggregate style product particles may find the added support from bracing to be beneficial. This is usually a specific/custom recommendation.

 

Webbing configurations provide a maximized sealing surface with the added protection for your seal area needed for your application thus combining the benefits of an open & closed rotor configuration.

WEBBING CONFIGURATION

04

BEARINGS & SEALS

Are you tired of failed bearings, blown seals, and an OEM who won't adapt your design to make your life easier and more efficient? That's exactly where Rotary Airlock steps in and delivers what you NEED instead of what we HAVE. We can upgrade your valves to a single bearing, single seal, and single end-cap configuration so your maintenance is the same no matter the Model. With some systems dropping maintenance times to less than 15 minutes!

BEARING & SEAL UPGRADES

PROPRIETARY TO ROTARY AIRLOCK  |  MAP SEAL UPGRADE

This Out-Board seal upgrade uses a combination of loaded lip seals and double lip seals to create a unique barrier of protection from product migration. We also implement a purgeable bearing providing you a longer-lasting product you can maintain in-line.

GPS Upgrade

GLS Upgrade

This In-Board seal upgrade extends the life of your airlock by protecting the bearing from foreign product and reduces product migration into the atmosphere.

Take the possible 4-6 hours of downtime & extensive labor to replace an airlock seal, and cut it to less than 15 minutes!

With Rotary Airlocks Proprietary Mechanical Aerated Polymer Seal System (MAP Seal) there is absolutely ZERO need to pull an airlock or strip off any end-caps.

You save time, labor, and lost profits. Simply disengage the MAPS Housing Cap to access the seal directly and replace the MAP Seal in-line quickly & efficiently, getting you back up and running as fast as possible.

BEARING OPTIONS

FLANGE BEARING

TAPERED ROLLER BEARING

GREASABLE BEARING INSERT

SEALED BEARING

SEAL OPTIONS

MAP SEAL  |  PROPRIETARY TO ROTARY AIRLOCK

Take the possible 4-6 hours of downtime & extensive labor to replace an airlock seal, and cut it to less than 15 minutes!!

 

With Rotary Airlocks Proprietary Mechanical Aerated Polymer Seal System (MAP Seal) there is absolutely ZERO need to pull an airlock or strip off any end-caps.

 

You save time, labor, and lost profits. Simply disengage the MAPS Housing Cap to access the seal directly and replace the MAP Seal in-line quickly & efficiently, getting you back up and running as fast as possible.

LIP SEAL

The use of lip seals extends the life of your airlock by protecting the bearing from foreign product and reduces product migration into the atmosphere. This is accomplished with a Single, Double, or Loaded Lip Seal (Poly Pac). This can be customized to your individual application.

ROPE PACKING

We use Four types of packing depending on your application and compliance requirements. Standard (Yellow), High Temp (Graphite), Food Grade (White), and Custom (Colors Vary).

 

SPECIALIZED COATINGS & TIPPING

With the right coatings, our valves can handle anything from Highly Abrasive material to Sticky & Viscous products. With Rotary Airlock having the ONLY USDA Compliant coating too you can rest assured your sanitary or food processing is in the right hands.

05

HARD CHROME

We suggest this coating for moderately abrasive and mildly corrosive applications. (ex. Wheat screenings, some mild aggregates, ethanol production, etc...)

 

Boasting a 62-69 Rockwell hardness rating.

PROPRIETARY TO ROTARY AIRLOCK  |  TRI-ALLOY

We suggest this coating for severely abrasive applications. (ex. Fly Ash, Calcium Carbonate, Talc, Some Gypsum, Asphalt, etc...)

 

Boasting a 72+ Rockwell hardness rating.

*Often used in conjunction with rotors tipped with Stellite #6

PROPRIETARY TO ROTARY AIRLOCK  |  ENB

We suggest this USDA compliant lubricity coating for viscous/sticky product that can be applied to all internal surfaces to aid in product release.

TIPPING

Stellite #6

This tipping finish is an added option of strength and wear resistance for many mild, moderate, and severely abrasive applications

*Although not restricted to abrasive applications it is the most common recommendation.

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