Cover Seals

Supplied in pre-formed rings, a graphite cover seal will offer proven sealing performance under high temperatures and pressures.

Graphite cover seals are ideal for heavy duty valve applications, or high pressure heaters against very hot, high pressure media. These seals are available in sizes of up to 1000mm outer diameter, and with many cross-sectional variations and metal capping options for integrated extrusion protection.



  • Very high temperature resistance
  • Excellent chemical resistance
  • Constant elasticity under changing temperatures and pressures
  • Very good sealing effect
  • Seals clearances of up to 0.3mm

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