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Garlock® Kammprofile Gaskets

Garlock® Kammprofile Gaskets

Garlock Kammprofile Gaskets provide exceptional reliability in difficult applications. Kammprofile Gaskets accommodate standard ASME flanges as well as non-standard flanges including lighter weight flanges, valves, pumps, flanges, heat exchangers and vessels. Kammprofile™ Gaskets are also an excellent choice for old, worn heat exchangers originally designed for jacketed gaskets. The Kammprofile™ handles pressures from full vacuum to the maximum rating of the flange and withstands temperatures from cryogenics to 2000°F / 1090°C, depending on sealing material and metal core. 

Style 642 A Grooved Metal Core

Serrated solid metal core gasket faced with soft, deformable sealing materials such as flexible graphite, PTFE or THERMa-PUR®.

Features & Benefits

  • Seals less-than-perfect flanges to form a tighter connection
  • Performance replacement for jacketed heat exchanger gaskets
  • Fire safe—passed API 6FB fire tests
  • Available in HEAT SHIELD® configuration for high temp applications above 850°F (454°C)
  • Solid metal core resists cold flow, over compression, and blowout
  • Rigid core provides exceptional stability, even in large sizes, and facilitates handling and installation
  • Available in wide variety of metals
  • Seals under low stress—ideal for lighter weight flange designs
  • Withstands extreme fluctuations in temperatures and pressures


  • Gasket Factor “m”= 4.0
  • Gasket Factor “y” = 1,000 PSI (NOTE: When designing flanges Garlock recommends using a "y" of 4,000 PSI to ensure the flange design is thick enough to avoid excessive deformation when assembled and heated.)                            


  • Valves
  • Pumps
  • Flanges
  • Heat Exchangers
  • Vessels