WIKA
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Diaphragm seals

The optimal diaphragm seal for every process

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.

How do diaphragm seals work? | Areas of application and advantages in pressure measurement
Videos How do diaphragm seals work? | Areas of application and advantages in pressure measurement

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FAQ
FAQ

When should a diaphragm seal be applied?

Diaphragm seals are used for pressure measurement when the proces medium doesn't come in contact with the pressure of the measuring instrument or when adjustment to the harsh conditions of a process is required.

How flexibly can a diaphragm seal be assembled?

The optimal diaphragm seal designs, materials, filling media and accessories are available for each application. Certificates can be supplied depending on the requirement.