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ISO320 HV Flanges

TFM offers ISO320 HV Flanges, an essential solution for high-vacuum (HV) chamber ports. These Large ISO flanges are designed to provide robust and reliable sealing for advanced vacuum systems.

ISO320 Flange Styles:

  • ISO-K: Equipped with clamp fasteners for quick assembly and disassembly.
  • ISO-F: Secured with nut and bolt fasteners for a strong, stable connection.

Mixed Joint Compatibility:

ISO320 HV Flanges support mixed ISO-K and ISO-F connections with a variety of bolt and clamp options, enabling versatile system configurations.

Key Features of Design and Sealing:

  • Flange faces are counter-bored or grooved to accommodate a metal centering ring with an elastomeric o-ring.
  • The centering ring aligns the flanges and secures the o-ring, ensuring leak-free and consistent sealing.

Operational Specifications:

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

TFM’s ISO320 HV Flanges are crafted to deliver exceptional performance and durability in critical vacuum applications. Contact us today to explore standard options or request a custom solution tailored to your needs!

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 Part Number
ISO320-F (16.73" OD) Blank, Bolt Style 6061-T6 Aluminum Tooltip 12-3/4 — — 0.79 15.550 0.563 12 QF320-ABF
ISO320-F (16.73" OD) Blank, Bolt Style 304L SS Tooltip 12-3/4 — — 0.79 15.550 0.563 12 QF320-BF
ISO320-F (16.73" OD) Bored, Bolt Style 304L SS Tooltip 12-3/4 12.52 12.770 0.79 15.550 0.563 12 QF320-SWF
ISO320-F (16.73" OD) Bored, Bolt Style 316L SS Tooltip 12-3/4 12.52 12.780 0.79 15.550 0.563 12 QF320-SWF-M
ISO320-K (14.57" OD) Blank, Clamp Style 6061-T6 Aluminum Tooltip 12-3/4 — — 0.67 — — — QF320-ABK
ISO320-K (14.57" OD) Blank, Clamp Style 304L SS Tooltip 12-3/4 — — 0.67 — — — QF320-BK
ISO320-K (14.57" OD) Bored, Clamp Style 304L SS Tooltip 12-3/4 12.52 12.770 0.67 — — — QF320-SWK
ISO320-K (14.57" OD) Bored, Clamp Style 316L SS Tooltip 12-3/4 12.52 12.780 0.67 — — — QF320-SWK-M

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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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