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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.

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FAQ
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What are the advantages of an in-line diaphragm seal?

With in-line diaphragm seals, with their perfectly circular cylindrical form, the medium flows through unhindered and effects the self-cleaning of the measuring chamber. Different nominal widths allow the in-line diaphragm seals to be adapted to any pipeline cross- ... More

Why is there no USP CLass VI approval for KN 92?

The USP Class VI approval applies to plastics used in medical engineering and pharmaceutical industries. These are subdivided into six classes of biocompatibility. As KN 92 is not a polymer, it cannot be confirmed with this approval. A 2.2 test report can be enclos ... More

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