Use Of Pressure Gauges

Update:31 Jul 2019
Summary:

Do not use glycerine filled gauges for any fluid which […]

Do not use glycerine filled gauges for any fluid which has strong oxidising agents, e.g. chlorine, hydrogen, peroxide etc.

The ambient and process temperature acting on the gauge should be within -70OF to + 180OF and protected from higher fluid temperature by means of a syphon tube filled with condensate before use.

The fluid in the pressure chamber should not be allowed to freeze or crystallise as this will lead to rupture of the sensing element.

Should the pointer of any pressure gauge not return to zero, when the pressure is removed, it is an indication that damage to the gauge has occurred and the gauge should be replaced immediately.

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