{"product_id":"edwards-c10514398-nitrile-centring-ring-aluminum-dn-25-iso-kf-nw25","title":"Edwards Nitrile Centring Ring Aluminum DN 25 ISO-KF NW25 Lot of 4 Seals","description":"\u003ch3\u003eEdwards DN 25 ISO-KF Centering Ring (C10514398) – Aluminum with Nitrile O-Ring, Lot of 4\u003c\/h3\u003e\n\u003cp\u003eThe Edwards C10514398 is a critical sealing component designed to align and seal two NW25 (KF25) vacuum flanges. This assembly consists of a high-quality aluminum centering ring that provides structural support and a Nitrile (Buna-N) O-ring that creates the vacuum-tight interface. Engineered for general-purpose vacuum applications, these seals ensure a reliable \"metal-to-metal\" stop to prevent O-ring over-compression, maintaining system integrity in primary and high-vacuum lines.\u003c\/p\u003e\n\u003ch3\u003eTechnical Performance \u0026amp; Design\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision Aluminum Carrier: The centering ring is machined from high-grade aluminum to ensure perfect concentricity and prevent lateral shifting of the seal during clamp tightening.\u003c\/li\u003e\n\u003cli\u003eNitrile (Buna-N) Elastomer: Features a Nitrile O-ring known for excellent resistance to petroleum-based oils, water, and many alcohols, making it the standard choice for \"roughing\" vacuum systems.\u003c\/li\u003e\n\u003cli\u003eTrapped O-Ring Geometry: The ring design \"traps\" the elastomer, preventing it from being drawn into the vacuum chamber under high-pressure differentials or pump-down cycles.\u003c\/li\u003e\n\u003cli\u003eISO-KF Standard Compatibility: Fully compliant with ISO 2861 dimensions, ensuring a universal fit with all NW25\/KF25 flanges from various vacuum hardware manufacturers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: C10514398\u003c\/li\u003e\n\u003cli\u003eFlange Size: DN 25 ISO-KF (NW25 \/ KF25)\u003c\/li\u003e\n\u003cli\u003eRing Material: Aluminum\u003c\/li\u003e\n\u003cli\u003eSeal Material: Nitrile (Buna-N)\u003c\/li\u003e\n\u003cli\u003eQuantity: Lot of 4 Seals\u003c\/li\u003e\n\u003cli\u003eTemperature Range: -20°C to 100°C (Continuous)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Benefits \u0026amp; Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReliable Vacuum Sealing: Provides a leak-tight seal for pressures down to $10^{-7}$ mbar, suitable for forelines, roughing lines, and general laboratory vacuum manifolds.\u003c\/li\u003e\n\u003cli\u003eCost-Effective Bulk Pack: This lot of four is ideal for routine maintenance schedules and preventative service of turbomolecular pump inlets or backing lines.\u003c\/li\u003e\n\u003cli\u003eEase of Installation: The shorthand KF (KLEINFLANSCH) design allows for rapid, tool-free assembly when used with standard wing-nut swing clamps.\u003c\/li\u003e\n\u003cli\u003eWide Industrial Utility: Widely utilized in mass spectrometry, freeze drying, and glove box vacuum ports where a robust and economical seal is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003csmall\u003eEdwards® and the Edwards logo are trademarks of Edwards Limited. ISO-KF, NW, and KF refer to international standards for vacuum fittings (ISO 2861 \/ DIN 28403).\u003c\/small\u003e\u003c\/p\u003e","brand":"Edwards","offers":[{"title":"Default Title","offer_id":49090644508924,"sku":"10717","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8463\/5132\/files\/edwards-nitrile-centring-ring-aluminum-dn-25-iso-kf-nw25-lot-of-4-seals-other-pump-parts-accessories-edwards-391829.jpg?v=1778615677","url":"https:\/\/lifesciencestrading.com\/es\/products\/edwards-c10514398-nitrile-centring-ring-aluminum-dn-25-iso-kf-nw25","provider":"Life Sciences Trading","version":"1.0","type":"link"}