{"product_id":"bell-gossett-101238lf-sweat-check-trol-isolation-flange","title":"Bell \u0026 Gossett 101238LF Sweat Check-Trol Isolation Flange","description":"\u003cp\u003eThe isolation flange provides a secure, leak‑free connection for sweat‑check valves, allowing maintenance without draining the entire system. The **101238LF** model from Bell \u0026amp; Gossett is designed for 1‑1\/4\" pipe sizes and ensures quick, reliable isolation.\u003c\/p\u003e\u003cp\u003eEngineered with a full‑face brass flange and a precision‑sweated joint, the component seals against both low‑ and high‑pressure differentials. Its design incorporates a threaded lock that maintains alignment, preventing valve movement and guaranteeing long‑term performance.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Pressure Containment:\u003c\/strong\u003e Maintains system pressure without leaks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion‑Resistant Construction:\u003c\/strong\u003e Brass body offers durability in water‑based environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 1‑1\/4\" Fit:\u003c\/strong\u003e Compatible with common sweat‑check valve pipe sizes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Threaded lock and smooth flange simplify field work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheck‑Trol Compatibility:\u003c\/strong\u003e Optimized for Bell \u0026amp; Gossett Check‑Trol valve series.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for HVAC chilled‑water loops, boiler feedwater systems, hot‑water heating circuits, and any hydronic loop requiring quick isolation of check valves during service.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43118270414942,"sku":"101238LF","price":204.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/101238LF_image_1e338917-c10a-4053-a3fc-a6a2dc8718a9.png?v=1785969401","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-101238lf-sweat-check-trol-isolation-flange","provider":"National Boiler Supply","version":"1.0","type":"link"}