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Custom Fiber Gaskets

Our custom-made fiber gaskets are suitable for industrial and technical sealing applications that require resistance to temperature, pressure, and various media. The gasket sheets are made from high-quality fiber composite materials and are precisely cut — for example for flanges, pumps, valves, assemblies, heating and hydraulic systems, or pipe connections.

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diconfa AFM30 Fiber Gasket Material - DIN A4 – 200x300mm
diconfa AFM30 Fiber Gasket Material - DIN A4 – 200x300mm

MATERIAL: Reinz AFM30 – high-quality, asbestos-free fiber gasket material with excellent pressure and temperature resistance up to 250 bar and 250 °C. Approved according to DIN-DVGW for water applications, BAM-tested, certified by German Lloyd, and compliant with DIN 30653 (formerly VP 401). DELIVERY CONTENT: AFM30 gasket ring with dimensions 200 × 300 mm, available in thicknesses from 0.3 to 3 mm. Sizes and quantities can be adjusted as needed. SEAL PROPERTIES: Made of durable fiber material – asbestos-free, dimensionally stable, and adaptable. The material offers excellent mechanical and thermal strength and is suitable for reliable sealing of gases and liquids. APPLICATION: Ideal for sealing gear oil, hydraulic oil, fuels, motor oil, water (also with antifreeze and corrosion inhibitors), refrigerants, Freons, alkalis, and various solvents. Perfect for industrial use under changing conditions. FIELDS OF USE: Versatile for use in combustion engines, machines, equipment, gearboxes, gas meters, compressors, piping systems, fittings, as well as hydraulic and pneumatic systems (compressed air). Proven in plant construction, pipeline installation, and industrial maintenance. ADVANTAGES: Robust, durable, and compatible with a wide range of media. The Reinz AFM30 gasket ensures permanently secure seals under high pressure and temperature – quality and reliability "Made in Germany".

From €5.77
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
diconfa Klingersil C-4400 gasket sheet
diconfa Klingersil C-4400 gasket sheet

100% QUALITY: High-performance Klingersil C-4400 gasket sheet made from aramid fibers bound with NBR. A universal high-pressure gasket with outstanding performance, ideal for flange sealing. APPLICATION RANGE: Versatile and suitable for oil, water, steam, gas, brine solutions, fuels, alcohol, lubricants, refrigerants, and weak organic or inorganic acids. APPROVALS: Tested and certified according to BAM, DIN-DVGW (incl. W 270), Germanischer Lloyd, TA-Luft, Fire-Safe (DIN EN ISO 10497), ÖVGW, and Elastomer Guidelines. USE CASES: Perfect for automotive, piping, mechanical and industrial engineering, maintenance and repair, heating and sanitation, technical installations, or as a replacement gasket for private use. PRODUCT SELECTION: Available in thicknesses from 0.5 to 5 mm and standard sizes ranging from 100 x 100 mm to 1,000 x 1,500 mm. TECHNICAL DATA: Pressure-resistant up to 150 bar, temperature range up to 250 °C. Excellent chemical resistance and long-lasting sealing performance.

From €8.25
Product Quantity: Enter the desired amount or use the buttons to increase or decrease the quantity.
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What Are Fiber Gaskets?

Fiber gaskets are made from specially compressed fibrous materials, often combined with binders and additives to provide resistance to temperature, pressure, and various media. These materials are compact, dimensionally stable, and suitable for surface, flange, and housing seals across a wide range of industrial applications.

Material Properties

Fiber gaskets are used when elastomers (e.g. rubber) are not sufficient or when higher mechanical and thermal loads occur. The gasket sheets offer:

  • High sealing performance even under pressure load
  • Good temperature resistance (depending on product)
  • Resistant to water, air, oils, lubricants, and coolants
  • Clean, burr-free edges for custom-cut parts
  • Excellent surface pressure – ideal for flange connections

The available material afm30 is a universally applicable fiber sealing material in DIN A4 / 200 × 300 mm format, ideal for prototypes, single cuts, machinery, and repair applications.



Typical Applications of Fiber Gaskets

Fiber gaskets are used in numerous industries:

  • Pump and valve technology
  • Pipeline and flange connections
  • Heating, sanitary, and water technology
  • Automotive and mechanical engineering
  • Workshops & repair

Whether as a flange gasket, spacer, or housing seal – fiber material can be precisely punched, cut, or milled, making it highly versatile.

Custom Manufacturing at Diconfa

We manufacture custom fiber gaskets – from single pieces to series production. With precise cutting, you receive ready-to-use gaskets in any desired dimension. No waste, no reworking required.

Häufig gestellte Fragen zu Faserstoffdichtungen

Fiber gaskets are required in technical systems to reliably seal media such as water, air, oils, or coolants. They are resistant to pressure and temperature and can be used as flange, housing, or surface gaskets.

Fiber gaskets combine high dimensional stability with good adaptability and reliable surface pressure. They are therefore particularly suitable for applications where rubber gaskets would be too soft or metal gaskets too rigid. Compared to rubber, they generally offer better temperature and pressure resistance; compared to metal, they are more flexible, easier to install, and compensate better for small irregularities. This makes their range of applications broad, from flange connections and valves to heating and industrial systems.

Yes, small cuts can be made with a sharp knife or punching tool. For precise contours, flange geometries, bolt holes, or series production, we recommend custom cutting directly at Diconfa.

Yes. Wherever rubber would be too soft or higher pressure and temperature resistance is required, fiber gaskets are often the better choice.

Yes. We manufacture according to drawings, technical specifications, or sample parts – ideal for repairs, mechanical engineering, or small series production.