Contact pressure gauges

WIKA contact pressure gauges: Switching and indicating with a single instrument

Wherever the process pressure has to be indicated locally and, at the same time, limit values must be monitored, contact pressure gauges find their application. The switch contacts make or break the circuit dependent upon the pointer position of the indicating measuring instrument. If the reading is significantly above or below a set value, they trigger an alarm, hence also the term “alarm contact”. Contact pressure gauges are also suitable for starting, stopping or switching processes.

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FAQ

Why can some pressure gauges only be used up to an ambient temperature of 140°F (60°C)?

If the window of the pressure gauge is made from safety glass, then it can only be used up to an ambient temperature of 140°F (60°C). The safety glass is made from two glass discs. These glass discs are stuck together using a foil. If the temperature rises ... More

What is the function of a three-way valve block?

With upstream pressure equalising valves it is possible to achieve uniform pressure loading from the plus and minus side, to avoid single-sided overpressure loading during both start-up and operation, and also to enable zero point checks during operation.

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