Hangzhou Steam Backpressure Turbine
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As shown in the figure, this is a Hangzhou Steam back-pressure turbine. Where does this drain pipe originate from, and what is its function? When to turn it on, when to turn it off
Drain pipe of the internal steam seal balance tube
Does it mean it stays on throughout the power-on and power-off processes?
Do I need to turn it off when it’s shut down and there’s no water?