{"product_id":"bell-gossett-116054-series-b-500-asme-pressurized-expansion-tank","title":"Bell \u0026 Gossett 116054 Series B-500 ASME Pressurized Expansion Tank","description":"\u003cp\u003eEfficiently absorb expansion forces in commercial heating and cooling systems with the \u003cstrong\u003eBell \u0026amp; Gossett 116054\u003c\/strong\u003e Series B-500 expansion tank. Engineered for durability, this high-performance ASME rated vessel ensures consistent system pressurization and protects your hydronic infrastructure from the stress of thermal fluctuations.\u003c\/p\u003e\u003cp\u003eThis pressurized bladder-type vessel functions by separating system water from the internal tank wall, effectively eliminating waterlogging and internal corrosion common in non-bladder designs. As system temperature rises, the heavy-duty diaphragm expands to accommodate the increased volume, returning the fluid to the system as it cools.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eASME Certified:\u003c\/strong\u003e Built to meet strict pressure vessel safety standards for commercial installations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Protection:\u003c\/strong\u003e Heavy-duty bladder design prevents tank waterlogging and premature structural degradation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Stability:\u003c\/strong\u003e Engineered to maintain optimal system pressure during varying thermal cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for use in large-scale hydronic heating systems, commercial chillers, and industrial cooling loops where ASME compliance and long-term reliability are required.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43124012580958,"sku":"116054","price":6537.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/116054_image_32123c41-974b-487a-a83e-7cef84967a44.png?v=1786028409","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-116054-series-b-500-asme-pressurized-expansion-tank","provider":"National Boiler Supply","version":"1.0","type":"link"}