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ISO-K HV Double Clamps (Cold Steel

ISO-K HV Double Clamps (Al)

ISO-K HV Double Clamps (Al): Lightweight, High-Vacuum Fastening for ISO-K Flange Connections

ISO-K HV Double Clamps (Al) are precision-engineered fastening tools designed specifically for securing ISO-K flanges in high-vacuum (HV) systems. These double clamps, made from lightweight aluminum, are ideal for applications that require strength, vacuum integrity, and corrosion resistance in a compact, easy-to-handle format.

Designed to work in conjunction with a centering ring fitted with an elastomeric o-ring, ISO-K HV Double Clamps (Al) enable quick and leak-tight connections between two ISO-K flanges. ISO-K flanges feature claw-style ears, and these clamps are engineered to fit directly over those ears to apply even compression to the sealing surfaces. The result is a reliable high-vacuum seal capable of supporting pressures as low as 10⁻⁸ Torr, depending on the o-ring and system cleanliness.

These aluminum ISO-K double clamps are ideal for installations where reduced mass is important—such as vertically mounted chambers, mobile vacuum systems, or cleanroom equipment where material selection is critical. Aluminum provides natural corrosion resistance, making these clamps suitable for moderately reactive environments or long-term use in non-corrosive atmospheric conditions.

Key Features of ISO-K HV Double Clamps (Al):

  • ISO-K Specific Design
    Exclusively for use with ISO-K flange systems and not compatible with ISO-F (bolt-style) configurations.

  • Lightweight Aluminum Construction
    Reduces system load and eases handling without compromising sealing force.

  • Vacuum Compatibility
    Suitable for use in systems operating at high vacuum levels, especially when paired with appropriate ISO centering rings and elastomeric o-rings.

  • Tool-Free Assembly
    Clamps are easy to install and remove, making them ideal for reconfigurable systems or equipment that requires frequent maintenance.

ISO-K HV Double Clamps (Al) are available from TFM in all standard ISO sizes including ISO63, ISO100, ISO160, ISO200, ISO250, ISO320, and ISO400. Each clamp is manufactured to precise tolerances to ensure consistent alignment, sealing compression, and long-term mechanical durability. These clamps are ideal for use in semiconductor vacuum chambers, high-vacuum packaging lines, beamlines, and modular R&D platforms.

For environments where mechanical strength is prioritized over weight, TFM also offers ISO-K HV Double Clamps in cold steel with zinc plating. Custom options such as anodized finishes, part engraving, or special torque specifications are available upon request.

In summary, ISO-K HV Double Clamps (Al) provide a clean, corrosion-resistant, and user-friendly solution for securing ISO-K vacuum flange connections. Their aluminum construction and ISO standard compliance make them a practical and reliable choice across laboratory, industrial, and OEM high-vacuum systems.

Ordering Table

Flange OD Reference Material Part Number
ISO63-ISO100 Double Clamps Aluminum QF-SDC-AL1
ISO160-ISO250 Double Clamps Aluminum QF-SDC-AL2
ISO320-ISO500 Double Clamps Aluminum QF-SDC-AL3

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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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