Metal Jacketed Gasket | Euroseal®

Metal and elastic gaskets for equipment

  • Easily compressible.
  • Resistant to high temperatures and pressures.
  • Configurable according to needs.
  • They compensate for misalignments of the flanges.

Reliability and Customized Performance for Every Plant – Euroseal® Metal-Plastic Gaskets

Euroseal® metal-plastic gaskets are the ideal sealing system for critical equipment such as heat exchangers, GVRs, and process columns.

Designed and manufactured entirely in our facilities in Italy, they combine adaptability and sealing performance thanks to an optimized blend of metallic elements and Euroseal® graphite.

Structure and Materials

Each metal-plastic gasket is tailor-configured to match your plant’s specific technical requirements.

The metallic component can be selected among carbon steel, stainless steels, nickel alloys, aluminum, copper, and other metallurgies upon request.

The sealing and filler material is chosen based on operating conditions and chemical compatibility with the process fluid, among the following options: Euroseal® Graphite, Thermoseal (up to 850°C), or PTFE.

Available Configurations of Euroseal® Metal-Jacketed Gaskets

Euroseal® GP 104
Constructed from a metal jacket, a filler of Euroseal® graphite or PTFE, and a metallic liner. This configuration offers excellent elastic recovery and good compressibility.

Euroseal® GP 108

Composed of a corrugated metal casing, Euroseal® graphite filler and an external corrugated liner. The entire assembly is coated on both faces with Euroseal® graphite (or Thermoseal or PTFE).

This structure ensures enhanced elastic memory and sealing capacity, allowing the gasket to conform to worn flange surfaces. Ideal for applications subject to high thermal and mechanical stress.

Euroseal® GP 110
Built from a smooth or corrugated metal core, coated on both faces with Euroseal® graphite, or alternatively with Euroseal® Thermoseal or PTFE depending on application conditions.

The gasket is fully customizable in thickness and shape: round, square, rectangular, or contoured — including configurations with crossbars.

Key Strengths

  • Custom-engineered to customer drawing or international standards.
  • Versatile across a wide range of chemical and thermal applications.
  • Resilient: high elastic recovery and long-term sealing performance.
  • Robust design: engineered for safe storage, handling, and installation.
  • 24/7 production availability for urgent requirements or plant shutdowns.

Why Choose Euroseal®

Euroseal® metal-plastic gaskets ensure operational safety and long-lasting performance. Our expertise in graphite and metal processing, coupled with the flexibility of our in-house production plants, allows us to deliver highly reliable sealing solutions — even for the most demanding applications.

Datasheet

Datasheet download

Case Study

Metal Jacketed Gasket Euroseal® GP108 for chemical industry – Download PDF Case Study

Applications

• Heat exchangers.
• Refineries.

Technical FAQ

What are the main advantages of Euroseal® metal-plastic gaskets?

Euroseal® metal-plastic gaskets offer excellent adaptability to surfaces thanks to compressibility of up to 40%. They are ideal for heat exchangers and high-pressure, high-temperature applications, ensuring sealing performance even in the presence of misalignments or surface roughness.

In which materials are Euroseal® metal-plastic gaskets available?

They are available in a wide range of metallic materials: carbon steel, stainless steels (AISI 304, 316, 321, 347), nickel alloys (Monel®, Inconel®, Hastelloy®), copper, brass, aluminum, and titanium. The sealing material is typically EUROSEAL® graphite or PTFE, depending on the fluid and operating conditions.

For which applications are Euroseal® metal-plastic gaskets recommended?

They are particularly suitable for heat exchangers, condensers, reactors, and industrial plants requiring high sealing performance, as well as thermal and chemical resistance, even under thermal shocks and variable pressures.

What is the difference between models GP104, GP108, and GP110?

  • GP104: simple structure with metallic casing, sealing material, and cover layer
  • GP108: corrugated multilayer structure with metallic core, coated with Euroseal® Silver, ensuring high elasticity and sealing performance
  • GP110: smooth or corrugated metallic sheet coated on both sides with Euroseal® Silver, suitable for large surfaces and moderate pressures

What does “Euroseal® Silver coating” mean?

Euroseal® Silver coating is an adhesive graphite sheet reinforced with a thin fire-safe aluminum layer. It enhances sealing capacity, flexibility, and resilience of the gasket, making it ideal even for damaged or worn surfaces.

How should Euroseal® metal-plastic gaskets be correctly installed?

It is essential to carefully clean the flanges, use the thinnest gasket compatible with the surface roughness, center the gasket between the bolts, and tighten progressively using torque wrenches following a cross-pattern sequence.

Can these gaskets be used in corrosive environments?

Yes. By selecting suitable materials such as Hastelloy®, Inconel®, or special coatings, Euroseal® metal-plastic gaskets are suitable for chemically aggressive environments, including desalination plants and reactors.

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