Inflatable seals with red color over

Innovative Engineering, Precision Sealing

We Are Inflatable Seal Masters

Radioactive Materials

Reliable Sealing for Radioactive Materials

Our inflatable seals play a crucial role in spent fuel pools, equipment hatches, personal airlock doors and more.

Train on tracks

Durable Seals for Fast-Moving Transportation

We offer superior sealing solutions that keep railcars safe, secure and compliant.

Pharmaceuticals

FDA-Compliant Seals Maintain the Highest Level of Purity

Keep your clean rooms clean with medical-grade inflatable seals.

Green apples

Hungry for a Better Sealing Solution?

Keep production schedules on track with reliable, food-grade seals.

Flood Gate

Weather Any Storm with High-Quality Sealing Solutions

We serve flood gate manufacturers looking for strong, watertight inflatable seal solutions.

Military plane

Reinforcing Mission-Critical Designs

We support the aerospace and defense industries with military-grade inflatable seals.

Fabric-Reinforced Inflatable Seals

Built for Mission-Critical Performance

When seal failure can mean downtime, safety risks, or disrupted operations, reliability matters. Seal Master Corporation engineers custom fabric-reinforced inflatable seals for demanding applications where consistent performance is critical.

Explore Inflatable Seals

Stronger. Longer-lasting. Custom-engineered for your application.

Markets

Our customized solutions make a direct impact on critical products in your market.

Who We Serve
Tank

Defense

Learn More food processing industry

Food Processing

Learn More nuclear energy

Nuclear Energy

Learn More Pharmaceuticals

Pharmaceuticals

Learn More

Products

Inflatable Seals Engineered for high cycle life, consistent inflation, and dependable performance in harsh environments. Explore
American Made
Inflatable Bags & Bladders Custom inflatable components engineered to lift, press, move, clamp, or support. Explore Accessories Valves, fittings, controllers, and other components to support your inflatable sealing system. Explore

Case Studies

Reinforcing products with the most innovative engineered sealing solutions across diverse applications.

Explore Case Studies

Bulk Powder Transfer Seal for a Nutritional Supplement Manufacturer

View Case Study Metal knife gate valve

Custom Inflatable Seal for a Knife Gate Valve

View Case Study Robotic arms

Custom Inflatable Seal for a Robotic Thermospray Booth Door

View Case Study Air force plane

Anechoic Chamber Door Seal at a U.S. Air Force Base

View Case Study
Customization

Over our 40+ year history, we’ve created countless inflatable seal profiles specific to our clients’ unique applications, including snap-in, bond-in and encapsulated type seals.

View Inflatable Seal Cross Sections

Work with our engineers to design the best seal solution for your unique application.

Get Design Help

Inflatable seals from Seal Master Corporation are custom-engineered and manufactured for your specific application. Explore the various ways we can create the ideal solution for your product.

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Our Customers

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Existing Customer Part Inquiry

Already have a Seal Master Corporation part number? Submit an existing customer inquiry to request a reorder, discuss an active project, or communicate with your Seal Master Corporation engineering and production team.

Existing Customer Part Inquiry