{"product_id":"bell-gossett-p2001178-5-8-epr-sic-sic-mechanical-seal","title":"Bell \u0026 Gossett P2001178 5\/8\" EPR\/SiC\/SiC Mechanical Seal","description":"\u003cp\u003eMaintain the structural integrity and fluid containment of your hydronic pump systems with the \u003cstrong\u003eP2001178\u003c\/strong\u003e mechanical seal from Bell \u0026amp; Gossett. This 5\/8\" component, identified by model number \u003cstrong\u003eP2001178\u003c\/strong\u003e, is engineered to prevent liquid leakage at the pump shaft, ensuring optimal system pressure and preventing premature bearing failure or motor damage caused by moisture intrusion.\u003c\/p\u003e\u003cp\u003eThis seal utilizes high-grade silicon carbide (SiC) faces, which provide exceptional hardness and abrasion resistance compared to standard ceramic or carbon alternatives. By combining these SiC faces with an ethylene propylene rubber (EPR) secondary seal, this assembly is optimized for heat resistance and chemical compatibility, offering a resilient barrier in closed-loop HVAC and commercial boiler applications.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Resilience:\u003c\/strong\u003e Silicon carbide faces offer superior wear protection against grit and suspended particles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Stability:\u003c\/strong\u003e The EPR elastomer construction ensures reliable sealing under varying operating temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulic Efficiency:\u003c\/strong\u003e Precise engineering minimizes friction, reducing drag on the pump motor for better energy conservation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable Containment:\u003c\/strong\u003e Designed to meet original equipment standards for tight-tolerance fluid management.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for commercial circulator pumps, primary-secondary heating loops, and boiler feed systems where high-durability sealing is required for long-term service intervals.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43136671907934,"sku":"P2001178","price":554.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/P2001178_image_f67c252b-8d90-4a31-afb8-92413075050c.jpg?v=1786148304","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-p2001178-5-8-epr-sic-sic-mechanical-seal","provider":"National Boiler Supply","version":"1.0","type":"link"}