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CF Knife-edge Flange Gas Sealed Connectors
Airtight/ Rf Connector Series

CF Knife-edge Flange Gas Sealed Connectors

The Knife-Edge Flange (CF) Receptacle is a precision-engineered component designed to create high-integrity, demountable seals essential for high-vacuum (HV) and ultra-high-vacuum (UHV) systems. Manufactured in strict accordance with the international standard ISO 3669**, this product line ensures global compatibility and interchangeability within scientific and industrial vacuum infrastructure. Available in a comprehensive range of nominal diameters from 10mm to 50mm, these flanges provide a scalable sealing solution for constructing and interfacing vacuum chambers, pipelines, and equipment, from small research instruments to large-scale industrial systems.

    Features and Advantages

    1. The defining feature is the knife-edge sealing mechanism, where a sharp, precision-machined edge on the flange bites into a soft, ductile metal gasket (typically copper or aluminum) to form an extremely reliable, helium-leak-tight metal seal.

    2. This design offers the critical advantages of superior sealing performance, the ability to withstand bake-out temperatures exceeding 150°C for UHV applications, and excellent reusability over many cycles.

    3. The receptacle housing is crafted from high-grade stainless steel, typically 304 or 316L**, providing excellent corrosion resistance, mechanical strength, and compatibility with the shell sealing requirements of connected components.

    4. The system's versatility is enhanced by support for various plug configurations, including single-ended plugs, double-ended plugs, and double-ended wiring forms, allowing for flexible system design. A significant additional advantage is the capacity for customization of both standard and non-standard vacuum flange structures and dimensions to meet unique application requirements.

    Application

    These CF flanges are fundamental components in any application requiring reliable high or ultra-high vacuum. Key sectors include:

    ● Scientific Research:Particle accelerators, synchrotrons, surface science analysis chambers (e.g., XPS, AES), and fusion research devices.

    ● Semiconductor Manufacturing:Critical for plasma etching, chemical vapor deposition (CVD), and molecular beam epitaxy (MBE) systems.

    ● Space Simulation:Used to construct thermal vacuum chambers for testing satellites and spacecraft components.

    ● Advanced Analytical Instrumentation:Mass spectrometers, electron microscopes, and other high-vacuum analytical tools.

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