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Diaphragm seals

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.

Questionnaire for diaphragm seals
Sales contact

WIKA Bulgaria EOOD

Tel.:
+359 2 8213810
Fax:
+359 2 8213813
info@wika.bg
WIKA on YouTube

Would you like to know how a diaphragm seal works and what advantages it has? Take a look at our video.
FAQ
All 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.

What is a diaphragm seal characteristic curve?

The diaphragm seal characteristic curve shows a graphical representation of the elasticity of the diaphragm. In this representation, the volume change is related to the pressure change and illustrated.

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