Regarding the vacuum insulation of the surface cooler

2016-07-08View Original

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Your coil cooler vacuum level is on the DCS. . Is it displayed as 22kpaA? Why not just state the negative value, like so many thousand pascals?

Reply #22016-07-08

I know; it’s absolute pressure. Maybe I didn’t explain it clearly – the vacuum of the air cooler is equal to the gauge pressure minus the absolute pressure. ,,,, Why doesn’t DCS simply specify vacuum?

Reply #32016-07-10

The pressure in the table is greater than 0; if it is lower than atmospheric pressure, it is negative pressure

Reply #42018-12-22

The absolute pressure is constant; what you’re referring to is relative pressure, which changes depending on the environment

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Regarding the vacuum insulation of the surface cooler

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