WIKA diaphragm seals (often also referred to as chemical seals), mounted with pressure gauges, process transmitters, pressure switches etc., are recognised and valued internationally for the most difficult of measuring tasks. By using diaphragm seals, the measuring instruments can be used at extreme temperatures from -90 to +400 °C and with aggressive, corrosive, heterogeneous, abrasive, highly viscous or toxic media. The optimal diaphragm seal designs, materials and filling media are available for each application.

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FAQ

What are the mounting options for a diaphragm seal?

A diaphragm seal can be mounted via a direct connection, a cooling element or a capillary.

When should a diaphragm seal be fitted?

Diaphragm seals are used for pressure measurements when the process medium should not come into contact with the pressurised parts of the measuring instrument or if adjustment to the harsh conditions of a process is needed.

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