{"product_id":"bell-gossett-52-121-317-001-series-ehsc-impeller-wear-ring","title":"Bell \u0026 Gossett 52-121-317-001 Series eHSC Impeller Wear Ring","description":"\u003cp\u003eRestore hydraulic efficiency and ensure long-term pump operation with the \u003cstrong\u003e52-121-317-001\u003c\/strong\u003e Impeller Wear Ring, specifically engineered for the Bell \u0026amp; Gossett \u003cstrong\u003eSeries eHSC\u003c\/strong\u003e line. This precision-fit component maintains the critical clearance between the impeller and the pump casing, minimizing internal recirculation and preserving system head pressure over extended service intervals.\u003c\/p\u003e\u003cp\u003eThe Bell \u0026amp; Gossett e-HSC series utilizes advanced design features such as internally self-flushing mechanical seals, which work in tandem with high-quality wear rings to improve overall system longevity. By reducing bypass flow, this wear ring prevents premature cavitation and vibration, ensuring the mechanical seal remains protected from excessive debris and heat build-up without the need for external flush lines.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Clearance:\u003c\/strong\u003e Maintains tight tolerances to prevent efficiency-robbing internal recirculation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability Optimized:\u003c\/strong\u003e Engineered to withstand harsh hydronic conditions and chemical exposure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Integration:\u003c\/strong\u003e Designed specifically for factory-spec fitment within Series eHSC pump volutes.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Recommended for commercial HVAC hydronic heating and cooling loops, booster pump stations, and chilled water distribution systems where maintaining constant flow rate and head pressure is critical to facility operation.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43130169688158,"sku":"52-121-317-001","price":1862.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/52_121_317_001_image_ec2d775a-93e7-49a9-8724-c1b38918067c.jpg?v=1786089399","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-52-121-317-001-series-ehsc-impeller-wear-ring","provider":"National Boiler Supply","version":"1.0","type":"link"}