{"product_id":"bell-gossett-10k125-goulds-mechanical-seal-88-carbon-sil-car-epr","title":"Bell \u0026 Gossett 10K125 Goulds Mechanical Seal .88\" Carbon\/Sil Car\/EPR","description":"\u003cp\u003eThe Goulds mechanical seal provides a durable, leak‑tight barrier for pump shafts, protecting your HVAC and hydronic systems from fluid loss and contamination. Designed for the 10K125 model, this \u003cstrong\u003e10K125\u003c\/strong\u003e seal features a .88‑inch carbon\/silicon carbide and EPR face set for high‑temperature resilience.\u003c\/p\u003e\u003cp\u003eThe seal operates by using a stationary seal ring and a rotating mating ring; the carbon\/silicon carbide face delivers low friction while the EPR secondary seal traps any micro‑leakage, ensuring continuous performance even under variable pressure.\u003c\/p\u003e\u003ch4\u003eKey System Performance Baselines:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeak Resistance:\u003c\/strong\u003e Maintains less than 0.5 gpm leakage under rated pressure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Tolerance:\u003c\/strong\u003e Operates reliably up to 250 °F (121 °C).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFriction Reduction:\u003c\/strong\u003e Low‑friction carbon\/silicon carbide face extends seal life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e EPR secondary seal provides excellent chemical resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e⚠️ \u003cstrong\u003eApplication Profile:\u003c\/strong\u003e Ideal for chillers, boiler feed pumps, condensate return pumps, and other HVAC\/hydronic pump applications requiring a .88\" seal and superior wear resistance.\u003c\/p\u003e","brand":"Bell \u0026 Gossett","offers":[{"title":"Default Title","offer_id":43118621753438,"sku":"10K125","price":308.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/7151\/8558\/files\/10K125_image_4f8cf75f-6776-4662-8fed-aec5c6f6bdd6.png?v=1785978444","url":"https:\/\/nationalboilersupply.com\/products\/bell-gossett-10k125-goulds-mechanical-seal-88-carbon-sil-car-epr","provider":"National Boiler Supply","version":"1.0","type":"link"}