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Process safety

Play it safe with double block & bleed

Pratik R. Vishwakarma | Know-how
Play it safe with double block & bleed

What is the safest way to separate a process and the attached pressure measurement technology? The HSG 253 standard must be applied to this question, and it answers unequivocally: by means of an instrumentation valve with double block & bleed (DBB). This …

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Pressure switches with metal bellows: Stable repeatability, no risk of leakage

Jing Lyu | Know-how
Metal bellows - pressure switches

What advantages do pressure switches with metal bellows offer and what is the basis for these? The advantages are based on the seamless design of their measuring system. This solution enables permanently stable repeatability and, at the same time, eliminates the risk …

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Application of sapphire thermocouples in gasification reactors

Kai Grabenauer | Temperature
WIKA TC84

Gasification reactors, due to their harsh process conditions, place high demands on the instruments used there. Many manufacturers have reacted to this and adapted their products correspondingly. But what are the optimisation possibilities for thermocouples for use …

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Welcome to the WIKA blog

In our English-language blog you can expect many interesting articles on pressure, temperature, level, force 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
  • Difference between gauge pressure and absolute pressure measurement

  • Pt100 in 2-, 3- or 4-wire connection?

  • Differences between G1/4″ threads

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