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Custom-made flange gaskets

Our custom-made flange gaskets ensure reliable sealing in pipelines, systems and technical connections. They are available according to common standards (e.g. DIN 2690) and, depending on the material – such as EPDM, NBR or solid rubber – provide the right solution for water, air, oils or chemicals. At Diconfa, you receive your flange gasket individually configurable in nominal sizes from DN 15 to DN 500 – in small quantities or large series, directly from the manufacturer.

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diconfa Flange Gasket DIN 2690 Rubber EPDM - made to measure
100% QUALITY: The diconfa flange gasket is made of pure EPDM – without any foreign rubber components such as SBR. The material is sourced from the EU and processed exclusively in Germany. The EPDM rubber used complies with various automotive standards such as VW 2.8.1, G70. You are welcome to request the technical documentation from us after your purchase. FUNCTIONS: This is a high-quality branded product with low intrinsic odor – ideal for use both indoors and outdoors. The EPDM rubber used complies with various automotive standards such as VW 2.8.1, G70. You are welcome to request the technical documentation from us after your purchase. PROPERTIES: The high-grade EPDM material complies with DIN 2690, is temperature-resistant from –40 °C to +100 °C, short-term up to +120 °C, and has a hardness of 70 ±5 Shore A. It is resistant to UV radiation, ozone, weathering, acids, and bases. Thanks to its low emissions, the gasket is also suitable for sensitive areas. The material meets, among others, VW standards 2.8.1 and G70. Technical data sheets are available upon request. APPLICATIONS: The EPDM flat gasket is perfectly suited for sealing pipes, hoses, lines, and flange connections. It is resistant to water, acids, and bases – ideal for technical applications in plumbing, industry, or DIY projects. Not suitable for use with oil or fuels.

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What are flange gaskets?

Flange gaskets are ring-shaped gaskets that are used between two flanges to ensure reliable sealing of pipe connections. They prevent the leakage of liquids or gases and are indispensable in many industrial applications. Typical areas of application include mechanical engineering, the chemical industry, heating and sanitary systems as well as the food and pharmaceutical industries.

Materials & properties of flange gaskets

Depending on the requirements, different materials are used: 

  • EPDM flange gaskets – resistant to water, hot water and many chemicals, ideal for outdoor use thanks to UV and ozone resistance.
  • NBR flange gaskets – oil- and fuel-resistant, perfect for industrial and workshop applications.
  • SBR or solid rubber flange gaskets – the economical standard for many sealing tasks in general pipeline construction. 

All gaskets are robust, dimensionally stable and, depending on the standard, suitable for pressure ratings up to PN 40.

Application areas of flange gaskets

  • Sanitary & heating: Sealing of pipelines in buildings 
  • Mechanical & plant engineering: Secure connections for media pipelines
  • Chemicals & industry: Resistant to oils, greases or chemicals (depending on the material)
  • Food & pharmaceuticals: EPDM as a hygienic material with high resistance
  • Agriculture & environmental technology: Reliable use with water, air and sludge

Custom-made flange gaskets from Diconfa

At Diconfa, you can order custom-made flange gaskets exactly according to your specifications – from standard sizes to special dimensions. We supply both single pieces for repairs and large series for industrial projects. Benefit from:

  • Precise manufacturing to size
  • Various materials (EPDM, NBR, solid rubber)
  • Standard-compliant dimensions (DIN 2690 and others)
  • High availability & fast delivery
  • Consulting directly from the manufacturer

For more options, also explore our complete category of gaskets – from flat gaskets to special custom solutions.