In the demanding environments of oil, gas, and chemical industries, choosing the right gasket is critical to ensuring operational efficiency, safety, and compliance. Non-metallic gaskets, known for their excellent sealing performance, chemical resistance, and cost-effectiveness, have emerged as the go-to solution for many industrial applications.

At IGP Group, we specialize in high-performance sealing solutions tailored to meet the complex needs of process industries. In this blog, we explore the top 5 applications of non-metallic gaskets and why they are essential components in these sectors.

1. Pipeline Flange Connections

Pipelines are the arteries of oil, gas, and chemical plants. Every flange connection must be tightly sealed to prevent leaks, environmental hazards, and costly downtime.

PTFE Gaskets
PTFE Gaskets

Non-metallic gaskets—such as compressed non-asbestos fiber (CNAF) and PTFE gaskets—offer excellent adaptability and sealing under low to medium pressure and temperature conditions. Their flexibility ensures a proper seal even when the flange surfaces are slightly irregular.

IGP Group’s gaskets are manufactured in compliance with international standards like ASME B16.20 and API 601, ensuring safety and durability in critical pipeline applications.

2. Heat Exchangers and Pressure Vessels

Heat exchangers and pressure vessels require materials that can withstand extreme temperatures, pressures, and chemical exposure.

Graphite-based and aramid fiber non-metallic gaskets are particularly effective in such environments. These gaskets offer high thermal stability and chemical resistance, ensuring reliable sealing even in fluctuating operational conditions.

Graphite Gasket
Graphite Gasket

A leading chemical manufacturer using IGP’s non-metallic gaskets in their heat exchangers reported enhanced efficiency and zero leakage over 18 months of operation.

 

3. Storage Tank Sealing

Storage tanks hold everything from crude oil to aggressive chemicals. Non-metallic gaskets are critical in sealing manways, nozzles, and inspection hatches to prevent vapor loss and contamination.

PTFE and rubber gaskets are preferred due to their high chemical compatibility and resistance to UV and weathering—making them ideal for both above-ground and underground storage.

Rubber Gaskets
Rubber Gaskets

IGP Group conducts chemical compatibility testing and material certifications to ensure each gasket meets the application’s unique demands.

 

4. Pumps and Valve Assemblies

In dynamic systems such as pumps and valves, the gaskets must endure continuous vibration, pressure cycling, and fluid flow.

Non-metallic gaskets, especially compressed fiber and graphite-based varieties, provide superior adaptability and sealing performance in such applications. They help reduce maintenance intervals and ensure smooth operational flow.

Graphite Gasket
Graphite Gasket

IGP’s gaskets are used in a wide range of API-certified valves and pump systems, providing consistent sealing in some of the most demanding environments.

5. Refinery and Petrochemical Process Units

Refineries and petrochemical plants operate at high temperatures and pressures, often processing corrosive and volatile substances.

Fiber Gaskets - IGP Group
Fiber Gaskets

Expanded PTFE (ePTFE) and glass fiber gaskets are widely used in reactors, distillation columns, and other process equipment due to their high resistance to aggressive chemicals and thermal shock.

 

IGP Group offers specialized gasket solutions for FCC units, hydrocrackers, and sulfur recovery units, providing long-lasting, leak-proof performance even in extreme service conditions.

Conclusion

From pipelines and pressure vessels to chemical tanks and process equipment, non-metallic gaskets are indispensable in oil, gas, and chemical industries. Their versatility, chemical resistance, and cost-effectiveness make them an ideal choice for a wide range of applications.

At IGP Group, we bring decades of expertise, ISO-certified manufacturing, and cutting-edge materials science to deliver sealing solutions that meet global industry standards.

Need help choosing the right gasket for your application? Get in touch with our technical experts today for tailored recommendations and reliable sealing solutions.