{"product_id":"bell-gossett-101241lf-1-5-isolation-flange-set","title":"Bell \u0026 Gossett 101241LF 1.5\" Isolation Flange Set","description":"\u003cp\u003eDesigned to provide a secure, leak‑free isolation point in hydronic and HVAC piping systems, this flange set simplifies maintenance and minimizes downtime. The \u003cstrong\u003e101241LF\u003c\/strong\u003e isolation flange set from Bell \u0026amp; Gossett features two 1.5\" flanges engineered for precise alignment and fast installation.\u003c\/p\u003e\u003cp\u003eThe set uses a dual‑flange configuration that seals around pipe ends with bolted gaskets, allowing sections of a loop to be isolated without cutting or depressurizing the entire system. When installed, pressure is maintained on the active side while the isolated side can be serviced safely.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeak Prevention:\u003c\/strong\u003e Precision‑machined mating surfaces create a zero‑leak seal under normal operating pressures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation Speed:\u003c\/strong\u003e Pre‑drilled bolt holes and standardized 1.5\" sizing cut fit‑up time in half.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e Cast‑iron construction resists corrosion and wear for long‑term reliability.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Fits standard 1.5\" NPT‑type connections across most HVAC and hydronic equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure Rating:\u003c\/strong\u003e Rated for up to 150 psi, suitable for most commercial loop applications.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for boiler loop isolation, chill‑water pump maintenance, air‑handling unit service, district‑energy system sections, and any scenario requiring quick pipe isolation without system shutdown.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43118274216030,"sku":"101241LF","price":184.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/101241LF_image_e7aef84c-485a-4a7a-8cc7-46f5e73f8613.png?v=1785969458","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-101241lf-1-5-isolation-flange-set","provider":"National Boiler Supply","version":"1.0","type":"link"}