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KF (QF) HV Lever Clamps (Aluminum & Polymer)

KF (QF) HV Lever Clamps (Aluminum & Polymer)

KF (QF) HV Lever Clamps (Aluminum & Polymer)

The KF (QF) HV Lever Clamps (Aluminum & Polymer) by TFM are designed for fast, secure, and leak-tight connections in ISO-KF vacuum systems. Combining the strength of aluminum and the durability of polymer materials, these clamps provide an efficient and lightweight solution for high vacuum applications. The lever mechanism ensures quick installation and removal, reducing downtime and improving workflow in both research and industrial vacuum systems.

Key Features of KF (QF) HV Lever Clamps (Aluminum & Polymer)

  • Durable Aluminum & Polymer Construction: These clamps are made from a combination of lightweight aluminum and high-strength polymer, offering excellent resistance to corrosion, wear, and high vacuum conditions.

  • Lever Mechanism for Quick Sealing: The lever clamp mechanism allows for easy, tool-free operation, providing quick sealing and release of KF (QF) flanges. Ideal for environments requiring frequent system adjustments.

  • Leak-Tight Seal: Designed to ensure reliable, leak-tight seals across a wide range of vacuum applications, preventing contamination and ensuring system integrity.

  • Wide Compatibility: These clamps are suitable for KF (QF) flange sizes including KF10, KF16, KF25, KF40, and KF50, making them versatile for various vacuum systems.

  • Lightweight and Efficient: The combination of aluminum and polymer materials provides a lightweight solution that doesn’t compromise on strength, making these clamps easy to handle and install in high vacuum setups.

Applications

The KF (QF) HV Lever Clamps (Aluminum & Polymer) are ideal for applications that require quick and reliable sealing, including:

  • Vacuum chambers

  • Semiconductor equipment

  • Research laboratories

  • Analytical instruments

  • High vacuum pumps

These clamps are especially useful in systems where frequent adjustments, disassemblies, or maintenance are necessary, as their lever mechanism simplifies the process of securing or loosening connections.

Why Choose TFM’s KF (QF) HV Lever Clamps (Aluminum & Polymer)?

At TFM, we specialize in providing high-quality vacuum components engineered for performance and reliability. The KF (QF) HV Lever Clamps (Aluminum & Polymer) are designed to deliver quick, efficient, and secure sealing for all your vacuum system needs. Choose TFM for your vacuum solutions and ensure your system remains leak-tight and easy to maintain.

Ordering Table

Drawing Flange OD Material Part Number
Tooltip KF10-KF16 Aluminum QF16-075-CHA
Tooltip KF25 Aluminum QF25-100-CHA
Tooltip KF40 Aluminum QF40-150-CHA
Tooltip KF10-KF16 Polymer QF16-075-CHP
Tooltip KF25 Polymer QF25-100-CHP
Tooltip KF40 Polymer QF40-150-CHP
Tooltip KF50 Polymer QF50-200-CHP

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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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