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Diaphragm seal

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An example of a diaphragm seal (in green) used to protect a pressure sensor.

A Diaphragm seal is a flexible membrane that seals and isolates an enclosure. The flexible nature of this seal allows pressure effects to cross the barrier but not the material being contained.

Common uses for diaphragm seals are in gas charged hydraulic accumulators and to protect pressure sensors from the fluid whose pressure is being measured.

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