{"product_id":"armstrong-572006-306-ast-80-asme-pre-pressurized-expansion-tank","title":"Armstrong 572006-306 AST-80 ASME Pre-Pressurized Expansion Tank","description":"\u003cp\u003eEfficiently manage hydronic system pressure fluctuations with the Armstrong \u003cstrong\u003eAST-80\u003c\/strong\u003e expansion tank, part number \u003cstrong\u003e572006-306\u003c\/strong\u003e. This ASME-rated vessel is engineered to provide precise pressure regulation by accommodating the volumetric changes of water as it cycles through heating and cooling phases, ensuring the long-term integrity of your HVAC equipment.\u003c\/p\u003e\u003cp\u003eThese expansion tanks utilize a robust pre-pressurized air chamber to effectively cushion the system. By accepting and expelling expanded water volume, the unit prevents unnecessary pressure relief valve discharge while significantly reducing the required installation footprint by up to 80% compared to traditional non-pressurized designs.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eVolume Management:\u003c\/strong\u003e Designed for high-efficiency thermal expansion control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Stability:\u003c\/strong\u003e Maintains system equilibrium during temperature shifts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact Architecture:\u003c\/strong\u003e Reduces space requirements by up to 80% over standard models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eASME Certified:\u003c\/strong\u003e Built to rigorous pressure vessel safety standards.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for commercial heating loops, hydronic cooling systems, and boiler plant installations requiring high-performance, space-saving pressure control solutions.\u003c\/p\u003e","brand":"Armstrong","offers":[{"title":"Default Title","offer_id":43133350183006,"sku":"572006-306","price":3852.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/572006_306_image_caa5d963-944d-46ca-b0dd-40251d90d603.png?v=1786104589","url":"https:\/\/nationalboilersupply.com\/products\/armstrong-572006-306-ast-80-asme-pre-pressurized-expansion-tank","provider":"National Boiler Supply","version":"1.0","type":"link"}