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ISO-F HV Blank Flanges (Bolted)

TFM’s ISO-F HV Blank Flanges are designed to provide reliable sealing for high-vacuum (HV) applications. These bolted flanges offer robust connections, making them ideal for blanking off unused ports or terminating vacuum lines in HV systems.

Key Features:

  • Durable Construction: Fabricated from high-quality stainless steel for long-term reliability and resistance to vacuum conditions.
  • ISO-F Style: Bolted design ensures a secure and stable connection, suitable for demanding vacuum environments.
  • Leak-Proof Sealing: Compatible with elastomeric o-rings and centering rings for a tight, consistent seal.
  • Versatile Application: Ideal for vacuum chamber ports, system terminations, and temporary sealing needs.

Operational Parameters:

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

TFM’s ISO-F HV Blank Flanges combine strength and precision, making them an essential component for maintaining the integrity of your vacuum system. Contact us today to discuss standard or custom options for your requirements!

Ordering Table

Flange Size/OD Type Flange Material Nominal Tube OD (in) Drawing Thickness (in) Minimal Number of Clamps Optimal Number of Clamps Part Number
ISO63-K (3.74") Blank, Clamp Style 304L SS 2-1/2 Tooltip 0.47 3 4 QF63-BK
ISO63-K (3.74") Blank, Clamp Style 6061-T6 Aluminum 2-1/2 Tooltip 0.47 3 4 QF63-ABK
ISO80-K (4.33") Blank, Clamp Style 304L SS 3 Tooltip 0.47 4 8 QF80-BK
ISO80-K (4.33") Blank, Clamp Style 6061-T6 Aluminum 3 Tooltip 0.47 4 8 QF80-ABK
ISO100-K (5.12") Blank, Clamp Style 304L SS 4 Tooltip 0.47 4 8 QF100-BK
ISO100-K (5.12") Blank, Clamp Style 6061-T6 Aluminum 4 Tooltip 0.47 4 8 QF100-ABK
ISO160-K (7.09") Blank, Clamp Style 304L SS 6 Tooltip 0.47 4 8 QF160-BK
ISO160-K (7.09") Blank, Clamp Style 6061-T6 Aluminum 6 Tooltip 0.47 4 8 QF160-ABK
ISO200-K (9.45") Blank, Clamp Style 304L SS 8 Tooltip 0.47 6 12 QF200-BK
ISO200-K (9.45") Blank, Clamp Style 6061-T6 Aluminum 8 Tooltip 0.47 6 12 QF200-ABK
ISO250-K (11.42") Blank, Clamp Style 304L SS 10 Tooltip 0.47 6 12 QF250-BK
ISO250-K (11.42") Blank, Clamp Style 6061-T6 Aluminum 10 Tooltip 0.47 6 12 QF250-ABK
ISO320-K (14.57") Blank, Clamp Style 304L SS 12-3/4 Tooltip 0.67 8 12 QF320-BK
ISO320-K (14.57") Blank, Clamp Style 6061-T6 Aluminum 12-3/4 Tooltip 0.67 8 12 QF320-ABK
ISO400-K (17.72") Blank, Clamp Style 304L SS 16 Tooltip 0.67 8 16 QF400-BK
ISO400-K (17.72") Blank, Clamp Style 6061-T6 Aluminum 16 Tooltip 0.67 8 16 QF400-ABK
ISO500-K (21.65") Blank, Clamp Style 304L SS 20 Tooltip 0.67 12 16 QF500-BK
ISO500-K (21.65") Blank, Clamp Style 6061-T6 Aluminum 20 Tooltip 0.67 12 16 QF500-ABK
ISO630-K (27.17") Blank, Clamp Style 304L SS 24 Tooltip 0.86 14 18 QF630-BK
ISO630-K (27.17") Blank, Clamp Style 6061-T6 Aluminum 24 Tooltip 0.87 14 18 QF630-ABK

 

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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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