Spiral wound gasket

revoseal revoseal SWG

Spiral wound gaskets consist of a mixture of metal and filler material. Generally, the gasket has a metal (usually high carbon or stainless steel) wound in a circular spiral outward (other shapes are possible), with the filler material (generally a flexible graphite) wound in the same way, but from the opposite side. This results in alternating layers of filler and metal. The filler in these gaskets acts as the sealing element, while the metal provides structural support. These gaskets have proven reliable in most applications and allow for lower clamping forces than solid gaskets, but at a higher cost.

Highlights

  • Without outer and inner ring
  • With inner ring
  • With outer ring
  • With outer and inner ring
  • In various materials, dimensions, thicknesses and
    Soft material carriers (graphite, PTFE and ceramic) available
  • Total thickness: 4.5 mm (other thicknesses on request)
  • Manufacturing standards: EN1514-2, ASME B16.20, etc. (also available in special dimensions)

Type Cross section Designation Download
SIA Spiral wound gasket with inner and outer ring, with graphite or PTFE filler material Download PDF download PDF
SI Spiral wound gasket with inner ring and graphite or PTFE filler material Download PDF download PDF
SA Spiral wound gasket with outer ring and graphite or PTFE filler material Download PDF download PDF
S Spiral wound gasket without inner and outer ring, with graphite or PTFE filler material (e.g. for tongue & groove) Download PDF download PDF

Further information and versions on demand.

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