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Flat Gaskets for Industry, Machinery and Pipelines

Flat gaskets provide reliable sealing between flat component and connection surfaces. They are used, among other things, in pipelines, flange connections, machines, valves and technical systems and help prevent liquids or gases from escaping. At diconfa, you can find flat gaskets made from high-performance fibre and rubber materials for different media, temperatures and pressure ranges.

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diconfa AFM30 Flat Seal Fibre Gasket Ring 1/4–2 Inch DN06–DN40 Asbestos-Free
AFM30 Flat Seal Fibre Gasket Ring 1/4–2 Inch DN06–DN40 Asbestos-Free
AFM30 Flat Seal | Reinz Fibre Material | asbestos-free, 250 bar, 250 °C | 1/4–2 Inch DN06–DN40

From €0.97
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EPDM / SBR Flange Gasket with Holes 3 mm Thick
EPDM / SBR Flange Gasket with Holes 3 mm Thick
Bolt Flange Gasket for All Standard Sizes

From €2.86
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Flange Gasket DIN 2690 Rubber EPDM - made to measure
Flange Gasket DIN 2690 Rubber EPDM - made to measure
High-quality EPDM flat gasket according to DIN 2690 in many different versions

From €1.89
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Klingersil C-4400 flange gasket DIN 2690, 2 mm
Klingersil C-4400 flange gasket DIN 2690, 2 mm
Flange Gasket | Klingersil C-4400 Aramid/NBR | DIN 2690 | DN15–DN500 | 2 mm | up to 150 bar

From €1.50
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Flat Gaskets – Reliable Sealing for Static Connections

Flat gaskets are flat sealing elements that are installed between two predominantly even sealing surfaces. When the connected components are compressed together, the gasket adapts to the surfaces and closes possible gaps or irregularities. This helps prevent liquids, gases or other media from escaping from a connection or penetrating from the outside.

Typical applications can be found in pipelines, flange connections, valves, pumps, engines, gearboxes, machines and industrial systems. Depending on the material and design, flat gaskets can be used for different media as well as for various temperature, pressure and environmental conditions.

At diconfa, you can find flat gaskets for professional applications in industry, trade, maintenance and repair. In addition to flat gaskets made from high-quality fibre material, the range also includes flange gaskets and standardized DIN gaskets made from rubber.

Which Flat Gaskets Does diconfa Offer?

The suitable flat gasket depends on the design of the connection, the medium to be sealed and the respective operating conditions. Within this category, you can find different versions for various technical requirements.

AFM30 Flat Gaskets Made from Asbestos-Free Fibre Material

AFM30 is a high-performance, asbestos-free fibre material for demanding technical sealing applications. The material is characterized by high mechanical strength as well as good pressure and temperature resistance.

AFM30 flat gaskets are suitable, among other things, for use on machines, engines, gearboxes, pumps, compressors and valves as well as in hydraulic, pneumatic and piping systems. Depending on the respective operating conditions, they can be used to seal different liquid and gaseous media.

The flat gaskets are available in various sizes and material thicknesses. This allows the required gasket to be selected to match the existing connection and the specific installation situation.

Flange Gaskets for Piping and Plant Connections

Flange gaskets belong to the group of flat gaskets. They are positioned between two bolted flanges and provide a permanently sealed connection. Their ring-shaped geometry is matched to the inner and outer diameter of the respective flange connection.

In our subcategory Flange Gaskets you can find versions for pipelines, heating and sanitary systems, machines, valves and industrial plants. Depending on the product, different diameters, nominal sizes, material thicknesses and bolt-hole patterns are available.

DIN Gaskets in Standardized Dimensions

DIN gaskets are flat gaskets whose dimensions comply with a specified standard. This makes them particularly easy to select and use for standardized flange connections.

The subcategory DIN Gaskets includes, among other things, flange gaskets according to DIN 2690. The standardized inner and outer diameters make selection easier for existing piping and flange systems and reduce the effort required for repair, replacement or new installation.

Selecting the Right Flat Gasket

Several factors should be considered when selecting a flat gasket:

  • type and chemical composition of the medium
  • maximum and minimum operating temperature
  • existing operating pressure
  • inner and outer diameter
  • required material thickness
  • shape and condition of the sealing surfaces
  • hole pattern and bolt circle for bolted flanges
  • applicable standard or nominal size
  • required mechanical load capacity

A flat gasket should not be selected solely based on its dimensions or only on the material designation. What matters is the interaction between the medium, temperature, pressure, construction and surface pressure.

If you are unsure, diconfa will be happy to assist you in selecting a suitable sealing solution.

Typical Applications of Flat Gaskets

Flat gaskets are used in numerous commercial, industrial and technical applications. These include, among others:

  • mechanical and plant engineering
  • piping and flange systems
  • heating and sanitary engineering
  • pumps and compressors
  • engines and gearboxes
  • hydraulics and pneumatics
  • fittings and valves
  • maintenance and industrial servicing
  • energy and utility engineering
  • vehicle and equipment construction

The specific suitability always depends on the sealing material used and the respective operating conditions.

Flat Gaskets Made from Fibre Material and Rubber

Choosing the right material is crucial for the reliable performance of a flat gasket. Not every material is equally suitable for water, oils, fuels, gases, chemicals or high temperatures.

Fibre Flat Gaskets

Fibre gaskets such as AFM30 are primarily used for technically demanding applications. They offer high dimensional stability and mechanical strength and are suitable for numerous applications in mechanical engineering, engine construction, apparatus engineering and plant engineering.

Asbestos-free fibre materials combine stable fibres with suitable binders. This creates a durable sealing material that adapts to the surfaces to be sealed under surface pressure.

Flat Gaskets Made from EPDM

EPDM is an elastic rubber material with good resistance to water, hot water, weathering, ozone and UV radiation. Flat gaskets made from EPDM are therefore often used in water pipes, heating and sanitary systems as well as in outdoor applications.

Whether EPDM is suitable for a specific application, however, always depends on the medium, temperature, pressure and other operating conditions.

Flat Gaskets Made from SBR and Other Rubber Materials

SBR and corresponding solid rubber compounds are used for numerous general sealing applications. The material is elastic, mechanically durable and economical. It is suitable, for example, for water, air and applications without contact with oils or fuels.

For special media or increased loads, the material selection must be checked individually.

Order Precisely Fitting Flat Gaskets from diconfa

At diconfa, you can find high-quality flat gaskets for repairs, maintenance work, new installations and industrial projects. Depending on the version, standardized sizes, configurable dimensions or individually tailored solutions are available.

Benefit from:

  • flat gaskets for different technical applications
  • high-performance fibre and rubber materials
  • various sizes, thicknesses and versions
  • standardized DIN gaskets
  • flange gaskets with and without bolt holes
  • small order quantities and solutions for larger requirements
  • personal advice for special requirements
  • precise manufacturing and reliable quality

Discover our flat gaskets now or select the appropriate subcategory directly for flange gaskets or DIN gaskets.

Frequently Asked Questions

A flat gasket is a flat sealing element that is installed between two predominantly even component surfaces. When the components are compressed together, the gasket closes small gaps and irregularities and prevents liquids or gases from escaping.

Yes. A flange gasket is a specific type of flat gasket. It usually has a ring-shaped geometry and is installed between two bolted flanges.

Flat gasket is the general term for flat, static gaskets. Flange gaskets are flat gaskets specifically designed for flange connections. They are manufactured to match the inner and outer diameter and, where applicable, the bolt-hole pattern of the flange.

DIN gaskets are gaskets with standardized dimensions. These include, for example, flange gaskets according to DIN 2690. Standardization makes it easier to select a suitable gasket for corresponding piping and flange systems.

The material selection depends on the medium as well as the temperature, pressure and environmental conditions. Fibre materials such as AFM30 are suitable for numerous demanding technical applications. EPDM is often used for water, hot water and outdoor applications, while SBR or solid rubber can be used for many general sealing tasks.

Depending on the material and design, flat gaskets can be used to seal both liquids and gases. Before use, however, resistance to the respective medium and the permissible operating conditions must be checked.

Yes. The AFM30 flat gaskets offered by diconfa are made from asbestos-free fibre material. The material is designed for professional technical sealing applications and offers high mechanical and thermal load capacity.

Yes. Depending on the product, flat gaskets are available in different inner and outer diameters, nominal sizes, material thicknesses and bolt-hole patterns. Individual sealing solutions can also be requested for special applications.

Important selection criteria include the medium to be sealed, temperature, pressure, connection dimensions, required material thickness and any applicable standard. For flange gaskets, the bolt circle and bolt holes must also be taken into account.