Solar Heating Fluid- Pre Mixed ProSol LH-T Special High Temp Solar Heating Fluid for Vacuum tube solar installations. Propylene Glycol 5 Gallons. Premixed reversibly vaporizable special Propylene Glycol-based Heat Transfer Fluid, for solar heating installations. Modern-day Thermal Solar combo-systems for DHW and Space heating are subject of overheating and stagnation because of low heat demand in summer time. Continuing design improvements of solar collectors significantly change the requirements to the heat transfer fluids regarding its ability to take thermal stress. However, stagnation temperatures of up to 400°F (204°C) in flat plate collectors still can be handled by traditionally inhibited solar fluids. In contrast to this, Vacuum Tube collector temperatures of up to 550°F (287°C) as reached in vacuum tube collectors require the use of a more advanced fluid containing reversibly vaporizable corrosion inhibitors. Pre-Mixed Pro Sol- L-HT propylene glycol/water mix 50%/50%, contains a specially designed industrial package of liquid inhibitors. The Glycol Mix has been designed especially for use as a heat transfer fluid in solar thermal systems operating under elevated thermal conditions (vacuum tube collectors). In case of stagnation those components evaporate together with propylene glycol and water, the collector remains empty, and no damaging insoluble residues may cause any flow obstruction or blocking. The corrosion inhibitors contained in ProSolTM L-HT reliably provide protection against acid corrosion, scale and sedimentation formation in systems with materials normally used in solar thermal installations. Download Product Specification PDF <p
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