{"product_id":"bell-gossett-132121-3ds-2s-flanged-triple-duty-valve","title":"Bell \u0026 Gossett 132121 3DS-2S Flanged Triple Duty Valve","description":"\u003cp\u003eOptimizing flow control in commercial hydronic systems is essential for long-term reliability, and the \u003cstrong\u003eBell \u0026amp; Gossett 132121 3DS-2S\u003c\/strong\u003e Triple Duty Valve is designed to provide this exact performance. This versatile component serves as a shut-off valve, spring-loaded check valve, and balancing valve all in one compact, flanged unit, helping to reduce piping complexity while ensuring precise system regulation.\u003c\/p\u003e\u003cp\u003eThe valve functions by integrating a calibrated balance stem with a silent check valve mechanism that prevents backflow and water hammer. Its internal design minimizes pressure drops while maintaining full flow capacity, making it a critical asset for maintaining hydronic equilibrium in large-scale boiler and pump installations.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultifunctional Design:\u003c\/strong\u003e Combines check, balance, and shut-off capabilities to minimize installation footprint.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSilent Operation:\u003c\/strong\u003e Spring-loaded disc technology prevents audible water hammer and structural vibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise Flow Control:\u003c\/strong\u003e Calibrated stem position allows for accurate balancing and system commissioning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Heavy-duty flanged design ensures long-term integrity in high-pressure hydronic loops.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Recommended for chilled water systems, hot water heating circuits, commercial HVAC piping, and pump discharge isolation where flow control and backflow prevention are mandatory requirements.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43125384052830,"sku":"132121","price":1198.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/132121_image_cf6e6d85-8c37-45de-846a-a11ae29383d5.png?v=1786036111","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-132121-3ds-2s-flanged-triple-duty-valve","provider":"National Boiler Supply","version":"1.0","type":"link"}