{"product_id":"armstrong-572006-302-ast-20-asme-pre-pressurized-expansion-tank","title":"Armstrong 572006-302 AST-20 ASME Pre-Pressurized Expansion Tank","description":"\u003cp\u003eMaintain optimal hydraulic pressure and protect your commercial heating or cooling system with the \u003cstrong\u003eArmstrong 572006-302\u003c\/strong\u003e AST-20 ASME Pre-Pressurized Expansion Tank. Engineered for durability and reliability, this unit effectively absorbs the thermal expansion of system fluids, preventing unnecessary pressure spikes and safety valve discharge.\u003c\/p\u003e\u003cp\u003eThe vessel features a high-grade butyl diaphragm that creates a positive barrier between the system water and the air cushion. This design eliminates waterlogging and minimizes corrosion by preventing oxygen absorption, ensuring consistent system operation throughout the life of the equipment.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Management:\u003c\/strong\u003e ASME-rated construction for safety in high-demand commercial environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Prevention:\u003c\/strong\u003e Heavy-duty diaphragm design keeps fluid isolated from the air charge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Stability:\u003c\/strong\u003e Maintains consistent operating pressure to prevent mechanical wear.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for use in commercial closed-loop hydronic heating, chilled water systems, and radiant floor installations requiring strict adherence to ASME pressure vessel standards.\u003c\/p\u003e","brand":"Armstrong","offers":[{"title":"Default Title","offer_id":43133341597790,"sku":"572006-302","price":2216.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/572006_302_image_1aed6ab4-bb73-40a5-9deb-b9ab6c50fb70.png?v=1786104443","url":"https:\/\/nationalboilersupply.com\/products\/armstrong-572006-302-ast-20-asme-pre-pressurized-expansion-tank","provider":"National Boiler Supply","version":"1.0","type":"link"}