How EEV works – Electronic Expansion Valve working principle, HVAC Basics

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How does an electronic expansion valve work EEV EXV. In this video we’re going to cover the basic working principles for how an electronic expansion valve works in a refrigeration system. Learn HVAC enineering with animations and 3d models.

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The objective of valve design for flow control applications is to achieve a linear relationship for valve lift (% open) versus flow through the installed system. Two valve trim types (linear vs. equal percentage) are compared with MATLAB analysis.
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