Corrugated Gaskets

The gasket consists of a stainless-steel wave stainless steel plate with a graphite foil seal seat on both sides. The graphite layers and metallic core profile are adjusted in such a way that a wave crest overlap of 0.1 to 0.2 mm is guaranteed in the restraint condition. This achieves a very low diffusion cross-section. In addition, there is also a high density of the graphite in these areas.

Great very high tightness (σVU 0,01 = 22 MPa) is already achieved at very low surface stress. Further features of the gaskets are good adaptability and elastic recovery properties, blow-out safety, good stability and manageability.

Corrugated metallic gaskets have their advantage when it comes to rising and ebbing pressures and temperatures, flexible or contorted flange sealing faces as well as for low surface stress.

The gaskets can be fabricated in ring, oval, elongated oval and rectangular frame shapes.

Corrugated gaskets are universally usable sealing elements. Due to the different possibilities of manufacture in the form of rings, ovals, long ovals or frames, which can be with or without ribs, holes, and fixing loops, the field of application for these gaskets continuously expands. The gaskets can be completely or partly covered.


Shapes of corrugated gaskets can be circular, oval, rectangular, etc. Dimensions of the gaskets are available from 50 mm to 4000 mm according EN or ASME standard or in non-standard dimensions according to customer's request.

• Metal core materials: low carbon steel and different stainless steel
• Sealing layers: expanded graphite, CSF, PTFE, mica

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