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PTFE-lined diaphragm seals

Supplier News
article image Wika’s PTFE lined diaphragm seals

WIKA has released PTFE linings for diaphragm seals, suitable for hazardous applications. Due to its high resistance to chemicals and anti-adhesive properties, PTFE (polytetrafluorethylene) is often used in process instrumentation.

A new bonding method for diaphragm seals developed by Wika has succeeded in increasing the permanent temperature to +260°C and considerably reducing the surface resistance of the PTFE diaphragm by using a sophisticated conductive compound. As a result, pressure and differential pressure transmitters with the PTFE-lined diaphragm seals can now be used in hazardous areas.

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