turbine
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Does the turbine casing need to be heat-tightened? It shouldn’t be necessary; the mating surface is flat, and high-temperature sealant is applied there.
Most units are equipped with heating rods; when it gets tight, there is also a curvature – the degree of tightness is specified in the instructions! It varies depending on the size of the bolt!
Heat seal? There’s no need~~~ It’s supposed to be tightened after heating~~~~~
What was said on the second floor is correct: insert the heating rod until it reaches a certain temperature (120? 150? ) Tighten it by another certain angle as required by the instructions
You didn’t clearly state what type of turbine you’re asking about The small back-pressure turbine is not thermally tightened and functions normally. What was said upstairs refers to condensing steam turbines, where screws are heated by heating rods and then rotate by an appropriate amount to achieve tightening.