{"product_id":"edwards-c10514394-fkm-gp-centring-ring-polymer-dn-25-iso-kf-nw25-lot-of-3-seals","title":"Edwards FKM GP Centring Ring Polymer DN 25 ISO-KF NW25 Lot of 3 Seals","description":"\u003ch3\u003eEdwards DN 25 ISO-KF Centering Ring (C10514394) – Polymer with FKM O-Ring, Lot of 3\u003c\/h3\u003e\n\u003cp\u003eThe Edwards C10514394 is a specialized vacuum sealing assembly designed for NW25 (KF25) connections where metallic contact must be avoided or where weight and magnetic interference are concerns. This assembly features a high-durability polymer centering ring paired with a premium FKM (Fluoroelastomer\/Viton) O-ring. By utilizing a non-metallic carrier, this seal provides excellent chemical resistance and high-vacuum integrity, making it an ideal choice for advanced analytical instrumentation and cleanroom environments.\u003c\/p\u003e\n\u003ch3\u003eTechnical Performance \u0026amp; Design\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eChemical-Resistant Polymer Carrier: The centering ring is fabricated from a high-performance technical polymer (typically PPS or similar), which provides a lightweight, corrosion-proof alternative to stainless steel or aluminum.\u003c\/li\u003e\n\u003cli\u003eHigh-Performance FKM O-Ring: Features an FKM (Viton) elastomer that offers superior thermal stability and resistance to aggressive chemicals, oils, and solvents compared to standard Nitrile seals.\u003c\/li\u003e\n\u003cli\u003eNon-Magnetic \u0026amp; Non-Conductive: The polymer construction ensures the seal is electrically insulating and non-magnetic, which is critical for use in sensitive mass spectrometry or electron microscopy stages.\u003c\/li\u003e\n\u003cli\u003eISO-KF Standard Interface: Fully compliant with ISO 2861 dimensions, ensuring a universal, leak-tight fit with any standard DN 25 \/ NW25 \/ KF25 vacuum flange and clamp system.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePart Number: C10514394\u003c\/li\u003e\n\u003cli\u003eFlange Size: DN 25 ISO-KF (NW25 \/ KF25)\u003c\/li\u003e\n\u003cli\u003eRing Material: High-Performance Polymer\u003c\/li\u003e\n\u003cli\u003eSeal Material: FKM (Fluoroelastomer \/ Viton)\u003c\/li\u003e\n\u003cli\u003eQuantity: Lot of 3 Seals\u003c\/li\u003e\n\u003cli\u003eVacuum Rating: High Vacuum performance down to 10\u003csup\u003e-8\u003c\/sup\u003e mbar\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Benefits \u0026amp; Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAnalytical Instrument Isolation: Ideal for mass spectrometers (GC-MS\/LC-MS) and surface science tools where preventing metallic contamination or electrical loops is essential.\u003c\/li\u003e\n\u003cli\u003eCorrosive Gas Handling: The combination of polymer and FKM provides the highest level of protection against acidic vapors and halogenated gases that might pit or corrode metal rings.\u003c\/li\u003e\n\u003cli\u003eLow Outgassing Standards: FKM material ensures minimal gas evolution under vacuum, helping to maintain ultra-low baseline pressures in sensitive R\u0026amp;D setups.\u003c\/li\u003e\n\u003cli\u003eRapid Tool-Free Assembly: The KF (Kleinflansch) design allows for immediate, manual installation using standard wing-nut clamps, facilitating efficient preventative maintenance.\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 vacuum standards (ISO 2861 \/ DIN 28403). Viton™ is a trademark of The Chemours Company.\u003c\/small\u003e\u003c\/p\u003e","brand":"Edwards","offers":[{"title":"Default Title","offer_id":49090680881404,"sku":"10720","price":52.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8463\/5132\/files\/edwards-fkm-gp-centring-ring-polymer-dn-25-iso-kf-nw25-lot-of-3-seals-other-pump-parts-accessories-edwards-511695.jpg?v=1778655402","url":"https:\/\/lifesciencestrading.com\/products\/edwards-c10514394-fkm-gp-centring-ring-polymer-dn-25-iso-kf-nw25-lot-of-3-seals","provider":"Life Sciences Trading","version":"1.0","type":"link"}