Pressure guide tube isolation fluid
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The orifice flow meter is used to measure steam at a pressure of 14 kilograms and a temperature of 200°C. The heating is provided by the same steam; however, the flow rate increases when this heating is applied. It is suspected that the high temperature of the heating causes the condensate inside the pressure tube to vaporize, thereby leading to this increase in flow rate. Which type of isolation fluid is better for this situation?
It’s sufficient for the steam condensate to automatically fill the pressure guide tube; no other liquid needs to be added, and the heating should be set at a lower level. Besides, the isolation fluid is a hassle.
Make it smaller; 200 degrees is too high
There’s a special type of isolation fluid; I can’t remember its name – it’s something like ethylene glycol