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All posts by Chi-Che Ma

Ending Confusion between a Diaphragm Valve and a Diaphragm Seal

Chi-Che Ma | Pressure

It’s easy to get confused with all the specialized technical terminology you hear in business today. One common problem in the instrument industry caused by terminology is confusing a diaphragm seal and a diaphragm valve . Of course, both devices operate using a …

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Make Sure You Have the Right Size Diaphragm Seal to Get the Job Done

Chi-Che Ma | Pressure

The right size diaphragm seal is an important consideration when selecting to protect your expensive pressure measuring instruments. Size in this case does not refer to the external dimensions of the diaphragm seal device, but to the size of the internal flexible …

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Diaphragm Seals Protect Instruments in Ultra-Low Temperature Processes

Chi-Che Ma | Pressure

Diaphragm seals protect expensive measuring instruments from direct contact with potentially dangerous process media. Adding a diaphragm seal to a pressure gauge or sensor offers protection from corrosive media and mitigates the impact of both high- and …

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Getting a Grip on Dual-Purpose Capillary Lines

Chi-Che Ma | Pressure

An instrument capillary line can serve a dual purpose. First, capillary lines, or tubes, are a convenient method for separating a pressure instrument such as a gauge or transmitter from the process connection so the reading can be taken at a more accessible location.  …

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How to Choose the Right Fill Fluid for Your Diaphragm Seal

Chi-Che Ma | Pressure

A diaphragm seal is designed to protect expensive instruments. It operates by transferring the pressure effect of a process media through a membrane-like seal to a fill fluid that then transfers the resulting pressure wave to a pressure gauge or sensor at the head of …

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Welcome to the WIKA blog

In our WIKA US blog you can expect many interesting articles on pressure, temperature, level and flow measurement, and also on the subject of calibration technology. Furthermore, there are various insights into the world of the WIKA group of companies – seen from different angles.

Most-read articles
  • Pressure Measurement: Understanding PSI, PSIA and PSIG

  • 8 Common Reasons For Pressure Gauge Failure

  • What Is Gauge Pressure and How Is It Measured?


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