{"product_id":"bell-gossett-52-239-532-501a-series-ehsc-hsc-s-pump-shaft-sleeve","title":"Bell \u0026 Gossett 52-239-532-501A Series eHSC\/HSC-S Pump Shaft Sleeve","description":"\u003cp\u003eProtect your critical pump components with the genuine \u003cstrong\u003e52-239-532-501A\u003c\/strong\u003e shaft sleeve, engineered specifically for the Bell \u0026amp; Gossett \u003cstrong\u003eSeries eHSC\/HSC-S\u003c\/strong\u003e line. This precision-machined sleeve serves as a vital wear surface, guarding the pump shaft against erosion and corrosion while ensuring a tight interface for mechanical seal performance.\u003c\/p\u003e\u003cp\u003eThe Bell \u0026amp; Gossett e-HSC pump architecture utilizes this sleeve in conjunction with internally self-flushing mechanical seals. By optimizing heat dissipation and continuous debris removal, this design eliminates the need for vulnerable, clog-prone external flush lines, thereby extending the mean time between maintenance for your hydronic systems.\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 to ensure a seamless fit and prevent fluid bypass.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Seal Life:\u003c\/strong\u003e Facilitates internal flushing cycles to reduce thermal stress on the mechanical seal faces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Resistance:\u003c\/strong\u003e High-grade material composition provides robust protection against harsh system fluids.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Recommended for use in HVAC hydronic circulation systems, chilled water loops, and boiler feed assemblies where Series eHSC and HSC-S pumps are currently deployed.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43132518269022,"sku":"52-239-532-501A","price":746.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/52_239_532_501A_image_ff1f23bb-5b15-4883-8039-7e77aa9a005d.jpg?v=1786095419","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-52-239-532-501a-series-ehsc-hsc-s-pump-shaft-sleeve","provider":"National Boiler Supply","version":"1.0","type":"link"}