{"product_id":"taco-acuf-400-af-3-4-flanged-accu-flo-balancing-valve","title":"Taco ACUF-400-AF-3 - ACUF-400-AF-3 Accu-Flo Balancing Valve, 4\" Flanged","description":"\u003cp\u003eMaintain precise flow rates and hydronic system efficiency with the \u003cstrong\u003eACUF-400-AF-3\u003c\/strong\u003e Accu-Flo balancing valve. Designed for demanding commercial applications, this \u003cstrong\u003eTaco\u003c\/strong\u003e 4-inch flanged valve provides an industry-leading level of accuracy that significantly outperforms standard variable orifice alternatives.\u003c\/p\u003e\u003cp\u003eThe valve utilizes a fixed port venturi mechanism to provide repeatable measurement and flow control. By eliminating the variations common in adjustable orifice designs, the unit ensures stable pressure drops and reliable reading accuracy across the entire operating range, which is critical for complex HVAC balancing requirements.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Accuracy:\u003c\/strong\u003e Delivers precision 4-5 times greater than variable orifice valves.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Flow Measurement:\u003c\/strong\u003e Engineered with a fixed port venturi design for consistent, stable readings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Tested:\u003c\/strong\u003e Undergoes 100% rigorous testing to ensure zero-leak performance and structural integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Built for long-term reliability in high-capacity hydronic piping systems.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for commercial HVAC, chilled water systems, hot water heating loops, and large-scale facility hydronic balancing.\u003c\/p\u003e","brand":"Taco","offers":[{"title":"Default Title","offer_id":43136365330526,"sku":"ACUF-400-AF-3","price":1506.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/ACUF_400_AF_3_image_e822bbdc-1bf4-4ea9-b958-188ed6540688.png?v=1786130365","url":"https:\/\/nationalboilersupply.com\/products\/taco-acuf-400-af-3-4-flanged-accu-flo-balancing-valve","provider":"National Boiler Supply","version":"1.0","type":"link"}