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 are sterile connections used with diaphragm seals?

The combination of diaphragm seals with pressure measuring instruments in hygienic design can be used for processes with gases, compressed air or vapour and also with liquid, paste-like, powdery and hot media. The diaphragm seals resist the temperatu ...

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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.