{"product_id":"bell-gossett-101231lf-check-trol-isolation-flange-3-4-npt","title":"Bell \u0026 Gossett 101231LF Check‑Trol Isolation Flange 3\/4\" NPT","description":"\u003cp\u003eFor reliable isolation of hydronic loops and prevention of backflow, this Check‑Trol isolation flange provides a secure shutoff point. The \u003cstrong\u003e101231LF\u003c\/strong\u003e part is engineered by Bell \u0026amp; Gossett to fit 3\/4\" NPT connections, delivering quick, leak‑free service.\u003c\/p\u003e\u003cp\u003eThe flange incorporates a robust body and a precision‑machined sealing surface that mates with the Check‑Trol valve, ensuring a tight seal when the valve is closed and easy removal for maintenance.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeak Prevention:\u003c\/strong\u003e Maintains zero backflow under pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRapid Service:\u003c\/strong\u003e Enables swift isolation for repairs or inspections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Matches standard 3\/4\" NPT pipe threads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built to withstand repeated cycling.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for HVAC chillers, boiler feedwater loops, heat exchangers, and any system requiring dependable isolation of 3\/4\" NPT piping.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43118258126942,"sku":"101231LF","price":112.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/101231LF_image_3af7872b-89c8-4ce4-a687-4853f33b6a3f.png?v=1785969175","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-101231lf-check-trol-isolation-flange-3-4-npt","provider":"National Boiler Supply","version":"1.0","type":"link"}