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water heating

  1. F

    PID? - adding heat to create constant temp water flow

    My sister lives on a dairy farm. They want to heat milk in a plate heat exchanger using hor water at a steady 96 deg C. This needs to be +/- 0.25 deg C. It seems your average supplier expects a supply of steam to heat a water circuit, injecting either on a pulse or proportional basis. It...

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