{"product_id":"bell-gossett-1bn356lf-pta-180v-asme-expansion-tank","title":"Bell \u0026 Gossett 1BN356LF PTA-180V ASME Expansion Tank","description":"\u003cp\u003eMaintain optimal system pressure and protect your plumbing infrastructure with the Bell \u0026amp; Gossett \u003cstrong\u003e1BN356LF\u003c\/strong\u003e (model \u003cstrong\u003ePTA-180V\u003c\/strong\u003e) expansion tank. This ASME-constructed vessel is specifically engineered to absorb the forces of thermal expansion in domestic water systems, preventing damage caused by sudden pressure spikes and reducing the strain on relief valves.\u003c\/p\u003e\u003cp\u003eThe unit utilizes a high-performance diaphragm design, featuring an FDA-approved polypropylene liner and a heavy-duty butyl diaphragm. This internal barrier effectively isolates the domestic water supply from the rugged steel shell, ensuring water quality is maintained while providing a long-lasting, reliable buffer against system over-pressurization.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Absorption:\u003c\/strong\u003e Engineered for ASME compliance to manage hydraulic expansion forces effectively.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater Isolation:\u003c\/strong\u003e Integrated FDA-approved polypropylene liner prevents shell contact for superior hygiene.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Heavy-gauge steel shell designed for long-term reliability in commercial and residential domestic hot water systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiaphragm Integrity:\u003c\/strong\u003e High-grade butyl diaphragm provides a flexible, robust barrier to accommodate fluid volume changes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for commercial domestic water heating systems, high-rise building plumbing installations, and industrial boiler feed water applications requiring ASME-rated expansion control.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43127886282846,"sku":"1BN356LF","price":5257.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/1BN356LF_image_a3d10e5a-6462-4f71-b122-bbf11a2b5960.png?v=1786058725","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-1bn356lf-pta-180v-asme-expansion-tank","provider":"National Boiler Supply","version":"1.0","type":"link"}