{"title":"Data Center Coolants \u0026 Liquid Cooling Fluids","description":"\u003ch2\u003eLiquid Cooling Fluids for Data Centers, AI and HPC\u003c\/h2\u003e\n\u003cp\u003eRack densities have outgrown air cooling. Whether you are filling a coolant distribution unit (CDU) for direct-to-chip cold plates or charging a chilled-water loop that serves CRAHs and dry coolers, the fluid in the loop decides how long the equipment lasts. ACUnitsForLess stocks Dynalene heat transfer fluids engineered for data center service, in pails, drums and totes shipped to all 48 contiguous states.\u003c\/p\u003e\n\n\u003ch3\u003eDirect-to-Chip (DTC) Coolants\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDynalene PG-D Series\u003c\/strong\u003e is a pre-diluted USP propylene glycol coolant built for technology cooling system (TCS) loops, CDUs and copper cold plates. \u003cstrong\u003ePG-D25 is accepted by the Open Compute Project (OCP)\u003c\/strong\u003e. The series passes ASTM D8040 (heat transfer coolant corrosion), D7437 (thermal stability) and D1881 (foaming).\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePG-D15\u003c\/strong\u003e – 15% PG with biocide, freeze point 23°F, for indoor loops with no freeze exposure\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePG-D25\u003c\/strong\u003e – 25% PG, freeze point 14°F, the OCP-accepted standard for cold plate loops\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePG-D55\u003c\/strong\u003e – 55% PG for loops that run to outdoor dry coolers in cold climates\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAluminum-Safe OAT Glycols\u003c\/h3\u003e\n\u003cp\u003eStandard inhibited glycols can gel, drop white precipitate or spike pH in contact with hot aluminum. \u003cstrong\u003eDynalene PG-A1\u003c\/strong\u003e and \u003cstrong\u003eEG-A1\u003c\/strong\u003e use an organic acid technology (OAT) inhibitor package that protects aluminum up to 239°F surface temperature, making them the right fill for aluminum cold plates, microchannel dry coolers and mixed-metal loops.\u003c\/p\u003e\n\n\u003ch3\u003eInhibited Glycols for Chiller and Facility Water Loops\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDynalene PG\u003c\/strong\u003e (non-toxic propylene glycol) and \u003cstrong\u003eDynalene EG\u003c\/strong\u003e (ethylene glycol) are virgin-glycol heat transfer fluids with a corrosion inhibitor package for steel, copper, brass and cast iron. Use them in chillers, facility water systems (FWS), cooling towers, and freeze protection for rooftop and outdoor piping.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Fluid Do I Need?\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eRecommended Fluid\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCDU \/ cold plate loop (TCS), copper and stainless\u003c\/td\u003e\n\u003ctd\u003ePG-D25 (or PG-D15 indoors)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCold plate or CDU loop with aluminum components\u003c\/td\u003e\n\u003ctd\u003ePG-A1 or EG-A1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLoop running to outdoor dry coolers in freezing climates\u003c\/td\u003e\n\u003ctd\u003ePG-D55, PG-A1 or EG-A1 at 40–50%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eChilled-water plant \/ facility water system\u003c\/td\u003e\n\u003ctd\u003eDynalene PG or EG\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAluminum microchannel dry cooler or coil\u003c\/td\u003e\n\u003ctd\u003ePG-A1 or EG-A1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhy Buy Coolant from ACUnitsForLess\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePre-mixed fluids – no on-site blending, no tap-water contamination\u003c\/li\u003e\n  \u003cli\u003ePails for top-offs, drums and totes for initial fills\u003c\/li\u003e\n  \u003cli\u003eContractor pricing through our \u003ca href=\"https:\/\/business.acunitsforless.com\"\u003eB2B portal\u003c\/a\u003e\n\u003c\/li\u003e\n  \u003cli\u003eTanker quantities quoted on request – call 678-535-7176\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eAlways confirm fluid selection against your CDU or chiller manufacturer's requirements. Do not mix glycol types or inhibitor chemistries in the same loop.\u003c\/em\u003e\u003c\/p\u003e","products":[],"url":"https:\/\/www.acunitsforless.com\/collections\/data-center-coolants.oembed","provider":"acunitsforless.com","version":"1.0","type":"link"}