{"product_id":"bell-gossett-1bn362lf-pta-451-asme-diaphragm-expansion-tank","title":"Bell \u0026 Gossett 1BN362LF PTA-451 ASME Diaphragm Expansion Tank","description":"\u003cp\u003eSafeguard your domestic water system against damaging pressure fluctuations with the \u003cstrong\u003e1BN362LF\u003c\/strong\u003e PTA-451 expansion tank from Bell \u0026amp; Gossett. This ASME-constructed vessel is specifically engineered to absorb the volumetric expansion of water as it heats, ensuring your plumbing infrastructure remains protected from excessive stress and fatigue.\u003c\/p\u003e\u003cp\u003eThe system utilizes an advanced diaphragm design featuring an FDA-approved polypropylene liner and a heavy-duty butyl diaphragm. These internal components effectively isolate the water from the steel shell, preventing corrosion and ensuring the long-term integrity of your water supply.\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 rigorous pressure vessel standards for maximum safety and durability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Isolation:\u003c\/strong\u003e Polypropylene liner and butyl diaphragm prevent steel shell contact with potable water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Management:\u003c\/strong\u003e Efficiently absorbs expanded water volume to stabilize system pressure.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for residential and commercial potable water systems, domestic hot water loops, and thermal expansion relief applications where ASME-rated pressure vessel compliance is required.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43127907942494,"sku":"1BN362LF","price":14114.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/1BN362LF_image_05639b72-6b3b-4303-a92a-ac6fa2bb16c6.png?v=1786059027","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-1bn362lf-pta-451-asme-diaphragm-expansion-tank","provider":"National Boiler Supply","version":"1.0","type":"link"}