{"product_id":"bell-gossett-52-239-534-501a-series-ehsc-hsc-s-pump-shaft-sleeve","title":"Bell \u0026 Gossett 52-239-534-501A Series eHSC\/HSC-S Pump Shaft Sleeve","description":"\u003cp\u003eProtect your pump assembly and ensure long-term mechanical seal reliability with the \u003cstrong\u003eBell \u0026amp; Gossett 52-239-534-501A\u003c\/strong\u003e shaft sleeve. Specifically engineered for the Series eHSC\/HSC-S pump line, this critical component acts as a wear surface to prevent groove damage to the main pump shaft, extending the operational lifespan of your critical hydronic equipment.\u003c\/p\u003e\u003cp\u003eThis sleeve integrates seamlessly with the e-HSC design, which utilizes internally self-flushing mechanical seals. By maintaining a precision fit, the sleeve supports optimal heat dissipation and consistent lubrication for the seal faces, eliminating the need for external flush lines or prone-to-clogging filter kits that often lead to premature failure.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Engineering:\u003c\/strong\u003e Manufactured to exact B\u0026amp;G tolerances for seamless integration with Series eHSC\/HSC-S models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Resistance:\u003c\/strong\u003e High-grade material composition designed to withstand consistent exposure to circulating hydronic fluids.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeal Integrity:\u003c\/strong\u003e Provides a smooth, uniform surface contact area for the mechanical seal to prevent leakage and debris accumulation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Recommended for use in high-efficiency HVAC heating and cooling systems, municipal water distribution, and industrial process pumping applications utilizing Bell \u0026amp; Gossett eHSC\/HSC-S centrifugal pumps.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43132552642654,"sku":"52-239-534-501A","price":998.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/52_239_534_501A_image_dd6c9e92-7a79-4efc-8b00-8c98ac6974a3.jpg?v=1786095528","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-52-239-534-501a-series-ehsc-hsc-s-pump-shaft-sleeve","provider":"National Boiler Supply","version":"1.0","type":"link"}