{"product_id":"bell-gossett-116300-series-d-40-asme-expansion-tank","title":"Bell \u0026 Gossett 116300 Series D-40 ASME Expansion Tank","description":"\u003cp\u003eEfficiently manage thermal expansion in your commercial hydronic system with the \u003cstrong\u003eBell \u0026amp; Gossett 116300\u003c\/strong\u003e Series D-40 ASME expansion tank. Engineered to absorb volumetric changes in water as it fluctuates in temperature, this vessel ensures your heating or cooling system maintains optimal pressurization throughout its operation.\u003c\/p\u003e\u003cp\u003eThis pre-charged, diaphragm-type tank prevents unwanted pressure spikes and protects system components from stress. The internal diaphragm creates a reliable barrier between the system water and the air cushion, effectively preventing waterlogging and ensuring long-term system stability.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eASME Rated:\u003c\/strong\u003e Constructed to meet rigorous pressure vessel standards for commercial safety.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiaphragm Design:\u003c\/strong\u003e Prevents direct contact between system water and the air charge to eliminate absorption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Stabilization:\u003c\/strong\u003e Automatically absorbs expansion forces to protect critical piping and equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for commercial heating and cooling loops, large-scale residential hydronic systems, and any application requiring ASME-certified pressure control to ensure long-term hydronic efficiency.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43124014448734,"sku":"116300","price":2154.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/116300_image_3b873bbf-0909-4272-ab9b-a45b45f832d1.png?v=1786028570","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-116300-series-d-40-asme-expansion-tank","provider":"National Boiler Supply","version":"1.0","type":"link"}