Saturday, July 24, 2021

What about Closed-Loop Pressurized System

Derby Mercury Forums General Chat What about Closed-Loop Pressurized System

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    A closed-loop pressurized system uses a propylene-glycol-water mixture that is circulated to the collector using a recirculating pump.

    Typically, a flat-plate collector is used, but any type of collector will work. At the collector, the propylene-glycol-water mixture is heated and returned to a solar storage tank that contains a heat exchanger. (In some systems, the heat exchanger is an external component.)

    A common mixture of propylene glycol and water is a 50-50 mixture, but the particular ratio depends on the climate and the type of system.

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