{"product_id":"bell-gossett-52-128-717-001-series-ehsc-hsc-s-shaft-nut","title":"Bell \u0026 Gossett 52-128-717-001 Series eHSC\/HSC-S Shaft Nut","description":"\u003cp\u003eThis essential hardware component is designed to securely fasten the impeller to the pump shaft in Bell \u0026amp; Gossett Series eHSC and HSC-S pumps. The \u003cstrong\u003e52-128-717-001\u003c\/strong\u003e shaft nut ensures proper rotational alignment and prevents axial movement, which is critical for maintaining the tight tolerances required by the \u003cstrong\u003eSeries eHSC\/HSC-S\u003c\/strong\u003e pump architecture.\u003c\/p\u003e\u003cp\u003eThe Bell \u0026amp; Gossett e-HSC pump line is engineered for high-efficiency operation using internally self-flushing mechanical seals. This configuration promotes continuous lubrication, effective heat dissipation, and debris removal, eliminating the need for external flush lines that are susceptible to clogging and seal failure. The integrity of the shaft assembly provided by this nut is vital to supporting this high-performance sealing environment.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Retention:\u003c\/strong\u003e Maintains precise impeller positioning for balanced hydraulic operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Resistance:\u003c\/strong\u003e Engineered to withstand the demanding fluid conditions within hydronic systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Compatibility:\u003c\/strong\u003e Precision-manufactured to meet the exact specifications of the eHSC product line.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Primarily utilized in commercial hydronic heating and cooling systems, high-rise building HVAC, and process water circulation systems equipped with Bell \u0026amp; Gossett eHSC or HSC-S split-case centrifugal pumps.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43131530739806,"sku":"52-128-717-001","price":1352.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/52_128_717_001_image_327d9992-8add-49e1-b1ff-ff035ee5a875.jpg?v=1786092964","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-52-128-717-001-series-ehsc-hsc-s-shaft-nut","provider":"National Boiler Supply","version":"1.0","type":"link"}