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ISO200 HV Flanges

The ISO flange, also known as Large ISO, is a trusted solution for high-vacuum (HV) chamber ports. TFM’s ISO200 HV Flanges are designed for durability and reliability, catering to the precise needs of HV systems.

Available Styles:

  • ISO-K: Utilizes clamp fasteners for quick and efficient assembly.
  • ISO-F: Employs nut and bolt fasteners for robust, long-term connections.

Mixed Connection Flexibility:

ISO200 HV Flanges support mixed ISO-K and ISO-F joints, facilitated by various bolt and clamp options to enhance system adaptability.

Sealing and Alignment:

ISO flanges share the same design principles as KF seals:

  • Each flange face is counter-bored or grooved to accommodate a metal centering ring with an elastomeric o-ring around its outer diameter.
  • The centering ring aligns the flanges and securely holds the o-ring, ensuring consistent and reliable sealing.

Operational Parameters:

  • Temperature Range: ~0°C to 120–180°C, depending on o-ring material.
  • Pressure Range: From atmosphere to ~10⁻⁸ torr or mbar.

TFM’s ISO200 HV Flanges are engineered for high performance and reliability in challenging vacuum environments. Contact us for standard or customized flange solutions tailored to your requirements!

Ordering Table

Flange Size/OD Type Flange Material Drawing Nominal Tube OD Bore Counter Bore Thickness Bolt Circle Dia. Bolt Hole Dia. # of Bolt Holes Minimal Number of Clamps Part Number
ISO200-F (11.22" OD) Blank, Bolt Style 6061-T6 Aluminum Tooltip 8 — — 0.63 10.236 0.433 12 — QF200-ABF
ISO200-F (11.22" OD) Blank, Bolt Style 304L SS Tooltip 8 — — 0.63 10.236 0.433 12 — QF200-BF
ISO200-F (11.22" OD) Bored, Bolt Style 304L SS Tooltip 8 7.88 8.020 0.63 10.236 0.433 12 — QF200-SWF
ISO200-F (11.22" OD) Bored, Bolt Style 316L SS Tooltip — 8.386 8.640 0.63 10.236 0.433 12 — QF200-SWF-M
ISO200-K (9.45" OD) Blank, Clamp Style 6061-T6 Aluminum Tooltip 8 — — 0.47 — — — 6 QF200-ABK
ISO200-K (9.45" OD) Bored, Clamp Style 316L SS Tooltip — 8.386 8.640 0.47 — — — 6 QF200-SWK-M
ISO200-K (9.45" OD) Blank, Clamp Style 304L SS Tooltip 8 — — 0.47 — — — 6 QF200-BK
ISO200-K (9.45" OD) Bored, Clamp Style 304L SS Tooltip 8 7.88 8.020 0.47 — — — 6 QF200-SWK

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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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