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DRAG HERE

"[The MAP Seal System] is working great and both maintenance and the environmental team are very pleased with the design and the functionality of the seal!

 

Not to mention that the ops manager was really impressed with the speed that you could get it back to us.  Thank you and your team so much for the help!"

-Rebecca B., RA Customer

MAP SEAL SYSTEM

BY ROTARY AIRLOCK LLC

Your maintenance dream come true.

  • Change Seals In-Line

  • No Pulling Valves

  • No Pulling Endcaps

  • USDA Compliant

HOVER HERE!

Rotary Airlock's MAP Seal System is engineered for industrial manufacturing applications based on years of experience in the field. Not only is it USDA-compliant, but its durability has allowed customers to go from four to seven days of seal life with packing to 28+ months and still run strong with a MAP Seal System.

Change Seals

In-Line

In less than 15 minutes per side, you can change our proprietary MAP Seal System and LPF Bearing Systems In-Line.

No need to pull an airlock means less downtime, less labor, and more product & profit for your bottom line.

USDA

Compliant

The MAP Seal System is the ONLY USDA compliant seal on the market for EVERY industry.

Whether it's food processing, ethanol production, or even pharmaceuticals, you'll know you have a seal designed just for you.

Convenient Kits

Save Inventory

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 MAP Seal System can be shipped quickly or kept on hand without gouging your bottom line.

THE ONLY

SEAL YOU'LL

EVER NEED

Any airlock or feeder valve make & model can be easily converted from mechanical packing to a MAP Seal System. Because of its engineering, we can provide this seal at the best economical price

for a quick return on your investment.

THE DESIGN

The MAP Seal System is a split seal that is machined for In-Line maintenance and all internal parts meet USDA standards for indirect food contact. All seal parts are designed split to make installations and replacements on your rotary valves a maintenance dream come true.

MADE IN THE U.S.A.

ENGINEERING

With seals, there's always inventory to keep on hand. We made it so that inventory, doesn't eat into your profits.

Adjustable Clamp

USDA Compliant Polymer Seal

PTFE Polymer Carrier

With fast delivery and economical pricing, your MAP Seal System can be shipped quickly or kept on hand without gouging your bottom line.

  • It can be easily dis and re-assembled for install/replacement in under 15 minutes.

  • Low-cost rebuild kits for fast & low-cost inventory requirements.

  • The USDA grade design gives you reliable and continuous run-times!

REPLACEMENT KITS

MAP Seal System.png

MAP SEAL SYSTEM

Replacement Kits

MAP SEAL SYSTEM

Designed to handle temps from -62 to 350°F the

MAP Seal System is perfect for any process

or valve size. 

 

Discover the only seal you'll ever need

by contacting a team member now.

SIZES

MAP Seal
MAP Seal
MAP Seal

2"

2.875"

4.5"

Size is determined by the ID of the Seal.

Sizes
How To

MAP SEAL SYSTEM

All MAP Seal Systems should be purged. Air at 3- 5 pounds above line pressure is recommended. Air purging the seal creates a higher pressure inside the seal cavity, which creates an air barrier that helps keep material inside the valve. With a MAP Seal System and air purge, you can forget about those costly nitrogen purge systems and those messy grease purges you have to manually purge over and over again, yuck. Contact us for more information on our Proprietary MAP Seal System and start saving your valves, your product, and your bottom line today!

Purge Requirement

SANITARY & FOOD GRADE

USDA Compliant

Rotary Airlock's MAP Seal System is the ONLY USDA-compliant seal on the market for rotary valves in EVERY industry.

Whether it's food processing, ethanol production, or even pharmaceuticals, you'll know you have a seal designed just for you.

USDA

A Truly American Made Company

Made in USA
ESTABLISHED IN 1995

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

MADE IN AMERICA

1104 E 17th Street

Rock Falls, IL 61071

U.S.A.

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© 2026 by Rotary Airlock LLC   YOUR Airlock Solution. Guaranteed.

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