Fluid and motion control

Imi Precision Engineering introduces the world’s only Atex intrinsically safe fail freeze valve

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The need to maintain piloting pressure in unforeseen conditions is vital for many chemical and energy applications. In many of these processes, the unexpected closure of a regulating valve can lead to loss of product to the user as a minimum – and in some cases, could lead to unsafe conditions such as build-up of gas pressure elsewhere in the system. The 422IS now limits the risk of these occurrences, removing the risk of over-pressurisation and allowing system designers to control the risk at source.

The 422IS Fail Freeze valve by Imi Precision Engineering distributed by Brammer is Atex-accredited to operate across a temperature range of –10 ºC to +70 ºC with a supply pressure of 4 bar, it uses less than 0.15 watts of energy when adjusting pressure and actually uses no power once in position. Both the linearity and hysteresis are scaled to less than 0.5% of span for optimal performance, while in addition vibration and orientation have minimal effect on the performance of the 422IS.

IMI_PE 422 IS Fail Freeze

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