{"product_id":"armstrong-516837-304-fsa-3-flo-trex-valve-flanged-straight-angle","title":"Armstrong 516837-304 FSA 3\" Flo-Trex Valve Flanged Straight Angle","description":"\u003cp\u003eMaintain peak hydronic system efficiency with the Armstrong Flo-Trex valve, a versatile solution engineered for the discharge side of pumping equipment. This component, specifically designated as model \u003cstrong\u003e516837-304\u003c\/strong\u003e, is designed to shield your critical assets from operational damage while ensuring streamlined performance across demanding HVAC environments.\u003c\/p\u003e\u003cp\u003eThe Flo-Trex valve integrates four distinct functions into one compact device, operating as a reliable shut-off valve, a non-slam check valve, a precision flow throttling valve, and a standard 90° elbow. By consolidating these functions, the \u003cstrong\u003e516837-304\u003c\/strong\u003e reduces piping complexity, minimizes potential leak points, and simplifies maintenance routines for facility engineers.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePump Protection:\u003c\/strong\u003e Engineered to prevent backflow and mechanical stress during pump shutdown cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlow Control:\u003c\/strong\u003e Precision-engineered seat design allows for accurate flow throttling to balance hydronic loops.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace Optimization:\u003c\/strong\u003e Replaces individual components with a single, high-performance housing to save mechanical room footprint.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimplified Maintenance:\u003c\/strong\u003e Facilitates easier system isolation and testing without requiring multiple valve installations.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for commercial HVAC circulating pumps, large-scale chilled water distribution, and condenser water loops where space-constrained piping requires multi-functional check and throttling capabilities.\u003c\/p\u003e","brand":"Armstrong","offers":[{"title":"Default Title","offer_id":43129886703710,"sku":"516837-304","price":1666.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/516837_304_image_3b7e034f-8e14-4140-9690-175aefd2772d.png?v=1786086659","url":"https:\/\/nationalboilersupply.com\/products\/armstrong-516837-304-fsa-3-flo-trex-valve-flanged-straight-angle","provider":"National Boiler Supply","version":"1.0","type":"link"}