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Focus on Extreme Sealing

Recently I was contacted by a customer with the following design problem.  They had a 3″OD Kalrez seal in a diaphragm assembly within a pressure measurement device which has routinely operated at around 200ºC.  New customer requirements had pushed the

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Posted in General
Extreme Sealing TypesThis blog is devoted to discussions about the most difficult static sealing applications; to wit, situations that combine UHV, UHP, or both, reactive gases, high temperature (>300ºC) with cycling, all in production or field environments. Under these conditions, elastomers completely fail and the job of getting a system to seal can be very difficult, sometimes impossible. In my work at Bostec Engineering, I deal with these conditions frequently. In the past 20 years I have learned a lot about what works, and what doesn’t.

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Tom Kristy