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ISO-K HV Single Clamps

ISO-K HV Single Clamps

ISO-K HV Single Clamps: Versatile Fastening Solution for ISO-K and ISO-F High-Vacuum Flanges

ISO-K HV Single Clamps are reliable, multipurpose clamping components designed for use in high-vacuum (HV) systems utilizing ISO-K and ISO-F flanges. Engineered for compatibility with ISO-standard centering rings and o-rings, these clamps enable secure, leak-tight flange connections across a variety of vacuum plumbing configurations.

Unlike ISO-K double clamps—which are specifically for ISO-K to ISO-K mating—ISO-K HV Single Clamps are designed for universal use between ISO-K and ISO-F flanges, making them ideal for hybrid systems where both quick-clamp and bolt-style interfaces are present. They are essential for securing flange joints in foreline plumbing, high-vacuum chamber ports, instrumentation lines, and modular vacuum subsystems.

Constructed from lightweight aluminum, these single clamps offer a balance of mechanical strength and corrosion resistance. The aluminum body ensures easy handling and installation without introducing unnecessary weight into the system—particularly valuable in overhead or mobile vacuum assemblies.

Key Features of ISO-K HV Single Clamps:

  • Universal ISO Flange Compatibility
    Designed for mating ISO-K to ISO-K, ISO-F to ISO-F, or ISO-K to ISO-F flanges using standard centering rings and o-rings.

  • Durable, Lightweight Construction
    Made from high-quality aluminum for strength, corrosion resistance, and low mass—ideal for cleanroom or reconfigurable setups.

  • Vacuum Integrity
    When paired with appropriate elastomeric o-rings, ISO-K HV Single Clamps support vacuum sealing performance down to 10⁻⁸ Torr, depending on system configuration and cleanliness.

  • Tool-Friendly Design
    These clamps can be installed and removed quickly using common hand tools, making them ideal for maintenance-accessible systems or frequently serviced components.

TFM offers ISO-K HV Single Clamps in standard ISO sizes including ISO63, ISO100, ISO160, ISO200, ISO250, and ISO320, with precision machining to ensure proper flange alignment and uniform o-ring compression. Each clamp is compatible with TFM’s full range of ISO centering rings, seals, and ISO flanges.

For higher-strength applications or corrosive environments, TFM also provides ISO-K HV Double Clamps in cold steel and aluminum variants. Custom solutions such as anodized finishes, laser-marked part numbers, or oversized hand knobs are available upon request.

In summary, ISO-K HV Single Clamps offer a flexible, ISO-compliant solution for connecting flanges in high-vacuum environments. Their versatility, material reliability, and ease of use make them indispensable across scientific, industrial, and OEM vacuum platforms.

Ordering Table

Flange OD Reference Material Thread Size Part Number
ISO63-ISO100 Single Clamps (imperial) Aluminum 5/16-18 QF-SSC-ALI
ISO63-ISO100 Single Clamps (metric) Aluminum M8 X 1.25P QF-SSC-ALM
ISO63-ISO100 Single Clamps (metric) Zinc Plated Steel M8 X 1.25P QF-SSC-CSM
ISO63-ISO100 Single Clamps (metric) Zinc Plated Steel M8 X 1.25P QF-SSC-CSM-S
ISO160-ISO250 Single Clamps (imperial) Aluminum 5/16-18 QF-SSC-ALJ
ISO160-ISO250 Single Clamps (metric) Aluminum M10 X 1.5P QF-MSC-ALM
ISO320 Single Clamps (imperial) Aluminum 7/16-14 QF-SSC-ALL
ISO320 Single Clamps (metric) Aluminum M12 X 1.75P QF-PSC-ALM
ISO400-ISO500 Single Clamps (imperial) Aluminum 7/16-14 QF-SSC-ALK
ISO400-ISO500 Single Clamps (metric) Aluminum M12 X 1.75P QF-LSC-ALM
ISO630 Single Clamps (metric)* Claw made from steel Zinc Plated Steel M12 X 1.75P QF-XSC-SLM

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FAQ

Tube fittings are designed for tubes (measured by outside diameter and wall thickness) used in high-pressure and instrumentation applications, whereas pipe fittings are for pipes (identified by nominal pipe size) primarily used in fluid transport.

 

Common valve types include ball valves, gate valves, check valves, butterfly valves, and globe valves. Each serves a specific function—from quick shutoff (ball/gate valves) to flow regulation (globe valves).

 

  • For tubing, measure the outside diameter; for pipes, refer to the nominal pipe size (using conversion charts if needed). Always match the valve or fitting size to your pipe’s dimensions and flow requirements.

  • Frequently used thread types include NPT (National Pipe Tapered), BSP (British Standard Pipe), and UNC, along with slip-fit options that rely on compression or fusion rather than threads.

Interchangeability depends on manufacturer specifications and certification. Always verify compatibility via manufacturer guides or certified interchangeability charts.

 

  • A coupling is a short, straight fitting used to join two pipes or tubes. It provides a secure, leak-tight connection and can sometimes serve to extend or repair piping runs.

Consider valve type, pressure and temperature ratings, material compatibility with your fluid, actuation method (manual or automatic), and maintenance requirements.

 

  • Valves regulate flow by opening, closing, or partially obstructing the pathway. Their mechanisms (such as the rotation of a ball or the linear movement of a gate) determine the speed and precision of flow control.

  • A flange is a flat, circular component used to connect pipes, valves, or other equipment. Bolted together with gaskets, flanges provide a secure, leak-proof joint that facilitates both assembly and maintenance.

  • Manual valves require physical operation via handles or levers, whereas actuated valves use mechanisms—pneumatic, electric, or hydraulic—to open and close automatically or remotely.

  • Issues include leaks caused by improper installation, over-tightening, degraded seals, material incompatibility, and fatigue from repeated cycling. Regular inspection and proper installation practices help mitigate these problems.

Regular maintenance involves periodic inspections, cleaning or replacing worn seals, ensuring proper torque during installation, and adhering to manufacturer guidelines and local plumbing codes to preserve system integrity.

 

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