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Product category: Gas and Steam Flow Measurement
News Release from: Influx Measurements | Subject: Custom flow switch
Edited by the Processingtalk Editorial Team on 29 September 2004

Flow switches solve engineer's retro-fit
dilemma

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To replace some old and obsolete gas flow switches, Influx were able to design and supply special units to fit within the pipe-work gap available, saving costly hazardous area pipe modifications

When an engineer needed to replace some old and obsolete gas flow switches, Influx were able to design and supply special units to fit within the 150mm pipe-work gap available, without the customer resorting to expensive and difficult pipe modifications in a hazardous area A fail safe magnetically operated switch housed inside a removable approved Exd enclosure, is activated by a "float" within the meter section when the Nitrogen flow-rate falls below a pre-set level

In another case, a plant manager wanted to replace a number of flow-meters, because of crazing of the plastic tubes used and unreliable switching.

The gas contained corrosive elements, and so an all PVC float and glass tube type meter was manufactured to suit.

A bi-stable reed switch, activated by a magnet sealed within the float provides repeatable and dependable switching when the gas flow falls below a preset level.

Whenever standard flow products are not suitable or are no longer available, Influx are able to custom design individual solutions that can fully meet the application requirements.

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