{"product_id":"hoffman-400751-series-2250-pressure-reducing-main-valve-2-1-2-flanged","title":"Hoffman 400751 Series 2250 Pressure Reducing Main Valve 2-1\/2\" Flanged","description":"\u003cp\u003eEfficiently regulate downstream pressure in your hydronic systems with the \u003cstrong\u003eHoffman 400751\u003c\/strong\u003e Series 2250 Pressure Reducing Main Valve. This high-capacity, 2-1\/2\" flanged valve is engineered to provide stable pressure management in commercial heating and process applications, ensuring your system operates within designated safety and performance parameters.\u003c\/p\u003e\u003cp\u003eThe internal mechanism operates by balancing downstream pressure against an adjustable spring load, automatically modulating to maintain a consistent output regardless of fluctuations in the supply line. This responsive action prevents over-pressurization and supports the longevity of downstream system components by dampening hydraulic shocks and preventing cavitation.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise Modulation:\u003c\/strong\u003e Advanced pilot-operated design ensures high-accuracy pressure control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Connectivity:\u003c\/strong\u003e Heavy-duty 2-1\/2\" flanged ports facilitate secure integration into standard piping layouts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable Construction:\u003c\/strong\u003e Engineered for sustained performance in demanding commercial hydronic environments.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for commercial boiler feed systems, large-scale hydronic heating loops, and industrial fluid processing lines requiring reliable pressure stabilization.\u003c\/p\u003e","brand":"Hoffman","offers":[{"title":"Default Title","offer_id":43128689688670,"sku":"400751","price":4547.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/400751_image_2c48a671-d97d-45af-aaa4-195a370db0f5.png?v=1786068681","url":"https:\/\/nationalboilersupply.com\/products\/hoffman-400751-series-2250-pressure-reducing-main-valve-2-1-2-flanged","provider":"National Boiler Supply","version":"1.0","type":"link"}