What is the minimum operating temperature for pressure vessel sight glasses?
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I would like to ask what the minimum operating temperature for pressure vessel sight glasses is -Can it be used at 60℃?
I have doubts regarding the specified operating temperature of 0–250°C in the explanatory notes for the new standard NB/T47017 for pressure vessel sight glasses; cannot they be used at temperatures as low as -10°C? Or lower
Using it in such a manner constitutes over-standard use; the glass may not be able to withstand low temperatures for long! If you want to use a low temperature, you need to ask the mirror glass supplier!