Figure 2: Ethylene Glycol and Propylene Glycol Curves
Pe rce nt Glyc ol Cu rves for Free ze P rotec tion
40.0 |
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20.0 |
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10.0 |
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0.0 | 10.0 | 20.0 | 30.0 | 40.0 | 50.0 | 60.0 |
% Gl ycol by Vol um e
Example: 45°F set point minus 20°F = 25°F.
From Figure 28, 25°F equates to 10% by volume of glycol required.
GP Series Portable Chillers | Chapter 3: Installation | 18 of 44 |