Kamprofile Gasket

Cam-profile gaskets consist of a metal core with concentric grooves on either side, topped by sealing materials tightly pressed into the grooves.

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 The soft sealing material is thus confined and optimally densified in the valleys of the profile, allowing for only a slim layer between its tips and the flange surface, where a series of concentric seals is created.

This construction enhances sealing performance by inducing stress concentrations on the sealing surfaces, while the metal core provides rigidity and blowout resistance.

Cam-profiles are said to be the best of three worlds:

-they require low seating stress like sheet gaskets;
-provide excellent tightness, due to the minimum thickness of the sealing layers, like spiral wound gaskets;
-have the handleability of a solid metal gasket (no springing apart during installation, no buckling in service)
As a consequence Cam-profiles are highly suitable for varying temperature and pressure services, for light as well as heavily constructed flanges. Other benefits are low sensitivity to assembly faults, and the possibility to re-use the metal cores after being cleaned.

Application

Kammprofile gaskets are a preferred design when improved performance at low seating stresses is required. Their M values, Y stresses and other gasket constants are lower than those of grooved metal gaskets without any facings, other reasons for their preference. Metal to metal contact seals require a higher degree of loading.
While the facing materials are typically soft and easy to seal, the deep grooves keep the facing from extruding under high compressive loads or internal pressures. Kammprofile gaskets have the ability to seal at low compressive stresses, but they also handle higher compressive loads and high internal pressures, making them unique problem solvers.