{"product_id":"kf-vacuum-flange-clamp-kf10-kf50-nbr-fkm-o-ring-seal-pipe-fitting","title":"KF Vacuum Flange Clamp KF10–KF50 | NBR FKM O-Ring Seal","description":"\n\u003ch2\u003eKF Vacuum Flange Centering Ring \u0026amp; Clamp with NBR\/FKM O-Ring Seal\u003c\/h2\u003e\n\u003cp\u003eAchieve airtight, leak-free vacuum connections with this professional-grade \u003cstrong\u003eKF Vacuum Flange Clamp and Centering Ring\u003c\/strong\u003e. Compatible with KF10, KF16, KF25, KF40, and KF50 sizing standards, this fitting is built from \u003cstrong\u003ealuminum alloy and 304 stainless steel\u003c\/strong\u003e with a high-performance \u003cstrong\u003eNBR or FKM (Fluororubber) O-ring seal\u003c\/strong\u003e — ideal for laboratory setups, homebrewing, semiconductor equipment, vacuum chambers, and industrial vacuum processing lines.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Size Compatibility:\u003c\/strong\u003e Available in KF10, KF16, KF25, KF40, and KF50 — fits a wide range of vacuum pipeline configurations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSuperior Sealing Performance:\u003c\/strong\u003e High-quality NBR and FKM O-rings provide excellent gas and liquid containment, maintaining a stable vacuum environment even under demanding conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWear-Resistant \u0026amp; Corrosion-Resistant:\u003c\/strong\u003e Aluminum alloy bracket paired with 304 stainless steel construction resists corrosion and wear, extending service life and reducing maintenance frequency.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Installation:\u003c\/strong\u003e Moderate size and weight make installation fast and straightforward — no special tools required for most setups.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressure Rated:\u003c\/strong\u003e Designed for pressures under 850 kPa, suitable for most laboratory and industrial vacuum applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Applications:\u003c\/strong\u003e Vacuum pipelines, vacuum chambers, semiconductor manufacturing, vacuum coating machines, industrial vacuum processing, laboratory vacuum equipment, and homebrew brewing setups.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Sizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eKF10, KF16, KF25, KF40, KF50\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBracket Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAluminum Alloy \/ 304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeal Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNBR (Nitrile) \/ FKM (Fluororubber\/Viton)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 850 kPa\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnection Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMale \/ Plug\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 piece\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLaboratory vacuum equipment and research setups\u003c\/li\u003e\n  \u003cli\u003eHomebrewing and craft brewing systems\u003c\/li\u003e\n  \u003cli\u003eSemiconductor manufacturing and vacuum coating machines\u003c\/li\u003e\n  \u003cli\u003eIndustrial vacuum processing lines\u003c\/li\u003e\n  \u003cli\u003eVacuum chambers and pipeline connections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor guidance on safe handling of laboratory and industrial vacuum equipment, refer to the \u003ca href=\"https:\/\/www.osha.gov\/laboratories\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA Laboratory Safety Standards\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/are-you-pooping-funny-cat-bathroom-canvas-wall-art-print\"\u003eShop More Home \u0026amp; Workshop Décor\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-percent-better-every-day-motivational-canvas-wall-poster-inspirational-quote\"\u003e\"1% Better Every Day\" Motivational Canvas Poster | Wall Art\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Due to manual measurement, minor dimensional variances may occur. Colors may appear slightly different due to lighting and display settings.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What sizes does this KF vacuum flange clamp come in?\u003c\/h4\u003e\n\u003cp\u003eA: This vacuum flange clamp and centering ring set is available in KF10, KF16, KF25, KF40, and KF50 sizes, making it compatible with a wide range of standard vacuum pipeline and chamber fittings used in lab and industrial environments.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the difference between NBR and FKM O-ring seals?\u003c\/h4\u003e\n\u003cp\u003eA: NBR (Nitrile Butadiene Rubber) O-rings are excellent for general-purpose vacuum applications and are resistant to oils and fuels. FKM (Fluororubber\/Viton) O-rings offer superior chemical resistance and perform well at higher temperatures, making them ideal for more demanding laboratory or industrial vacuum systems. Choose the seal material that best suits your specific application requirements.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this fitting suitable for homebrewing or food-grade applications?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the KF vacuum flange clamp is popular in homebrewing setups. The 304 stainless steel and aluminum alloy construction offer good durability and cleanliness. However, please verify the specific O-ring material's suitability for your application before use in any food or beverage contact scenario.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the maximum pressure rating for this vacuum clamp fitting?\u003c\/h4\u003e\n\u003cp\u003eA: This fitting is rated for pressures under 850 kPa, suitable for most standard laboratory, homebrewing, and industrial vacuum processing applications.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What sizes does this KF vacuum flange clamp come in?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This vacuum flange clamp and centering ring set is available in KF10, KF16, KF25, KF40, and KF50 sizes, making it compatible with a wide range of standard vacuum pipeline and chamber fittings used in lab and industrial environments.\"}}, {\"@type\": \"Question\", \"name\": \"What is the difference between NBR and FKM O-ring seals?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"NBR (Nitrile Butadiene Rubber) O-rings are excellent for general-purpose vacuum applications and are resistant to oils and fuels. 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