{"product_id":"bell-gossett-1bn322lf-pt-60v-expansion-tank","title":"Bell \u0026 Gossett 1BN322LF PT-60V Expansion Tank","description":"\u003cp\u003eThis diaphragm-style expansion tank is designed to absorb the expansion of water as it is heated within closed-loop hydronic heating systems, effectively preventing excessive pressure buildup. The \u003cstrong\u003eBell \u0026amp; Gossett 1BN322LF PT-60V\u003c\/strong\u003e provides critical system volume control, ensuring optimal operating conditions and reducing wear on circulators and relief valves.\u003c\/p\u003e\u003cp\u003eInside the vessel, a heavy-duty butyl rubber diaphragm creates a permanent barrier between the system water and the air cushion. This specialized separation prevents waterlogging and inhibits internal tank corrosion, allowing for consistent absorption of thermal expansion throughout the heating cycle.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Regulation:\u003c\/strong\u003e Maintains stable system pressure to prevent relief valve discharge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Prevention:\u003c\/strong\u003e Features a butyl diaphragm to separate air from water, extending component life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Engineered for reliability in demanding commercial and residential HVAC applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for closed-loop hydronic heating systems, solar thermal loops, and chilled water applications requiring precise pressure regulation.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43127832477790,"sku":"1BN322LF","price":494.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/1BN322LF_image_184bca59-8896-4d6b-931c-fba9f7d1e95c.jpg?v=1786058055","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-1bn322lf-pt-60v-expansion-tank","provider":"National Boiler Supply","version":"1.0","type":"link"}