WIKA

Diaphragm seals

The optimal diaphragm seal for every process

WIKA diaphragm 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 -130 to +750 °F 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.

FAQ
FAQ

What are the advantages of diaphragm seals?

Diaphragm seals offer the advantage that the “contact surface” between pressure medium and diaphragm is relatively large, thus ensuring accurate pressure measurement, especially for very low pressures (< 600 mbar). Furthermore, they can be easily ...

more

What is a diaphragm seal with an extended diaphragm and when are these used?

A diaphragm seal with extended diaphragm is used for thick and/or insulated product pipelines or vessel walls. The cell-type design is a sub-category, which is used with a blind flange at the tapping flange. Special designs can be manufactured to cus ...

more