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Hydraulically (Hydro) Formed Bellows – ConFlat (CF) UHV Flanged (Braided Wall)

CF Flanged Formed Bellows for HV Systems

TFM fabricates CF flanged formed bellows for high-vacuum (HV) systems using flexible hoses made from high-quality 300 series stainless steel, paired with durable CF flanges crafted from 304L stainless steel.

Hydroformed Bellows with CF UHV Flanges (Braided Wall)

Our MH-Series bellows, produced through a hydraulic (hydro) forming process, provide exceptional durability and flexibility, meeting the demanding requirements of various vacuum applications.

Key Features:

  • 300 Series Stainless Steel Construction: These bellows are constructed from thin-walled 300 series stainless steel, enabling them to endure numerous flexing cycles, making them ideal for dynamic environments.
  • Braided Flexible Hoses: Featuring a protective braided sheath, these hoses guard the convoluted sections from damage, increasing their longevity and reliability in harsh operating conditions.
  • Short Flexible Hoses: Designed to resolve minor misalignments between components, these shorter hoses offer a practical solution for adjusting system configurations.
  • Longer Flexible Hoses: Used in roughing lines, the longer hoses provide greater reach and flexibility, ensuring smooth and efficient operation in larger systems.

TFM’s braided CF flanged bellows are designed to provide both protection and flexibility, making them ideal for a wide range of high-vacuum applications.

Ordering Table

Drawing FlangeSize Length BellowsID Part Number VacuCADSM
Tooltip 1-1/3" 3 0.75 MHB-CF-A03 N/A
Tooltip 1-1/3" 6 0.75 MHB-CF-A06 N/A
Tooltip 1-1/3" 10 0.75 MHB-CF-A10 N/A
Tooltip 1-1/3" 12 0.75 MHB-CF-A12 N/A
Tooltip 1-1/3" 18 0.75 MHB-CF-A18 N/A
Tooltip 1-1/3" 20 0.75 MHB-CF-A20 N/A
Tooltip 1-1/3" 24 0.75 MHB-CF-A24 N/A
Tooltip 1-1/3" 30 0.75 MHB-CF-A30 N/A
Tooltip 1-1/3" 36 0.75 MHB-CF-A36 N/A
Tooltip 2-1/8" 6 1 MHB-CF-B06 N/A
Tooltip 2-3/4" 3 1.5 MHB-CF-C03 N/A
Tooltip 2-3/4" 6 1.5 MHB-CF-C06 N/A
Tooltip 2-3/4" 10 1.5 MHB-CF-C10 N/A
Tooltip 2-3/4" 12 1.5 MHB-CF-C12 N/A
Tooltip 2-3/4" 18 1.5 MHB-CF-C18 N/A
Tooltip 2-3/4" 20 1.5 MHB-CF-C20 N/A
Tooltip 2-3/4" 24 1.5 MHB-CF-C24 N/A
Tooltip 2-3/4" 30 1.5 MHB-CF-C30 N/A
Tooltip 2-3/4" 36 1.5 MHB-CF-C36 N/A
Tooltip 2-3/4" 40 1.5 MHB-CF-C40 N/A
Tooltip 2-3/4" 48 1.5 MHB-CF-C48 N/A
Tooltip 3-3/8" 6 2 MHB-CF-D06 N/A
Tooltip 4.5" 6 2.5 MHB-CF-E06 N/A
Tooltip 6" 6 4 MHB-CF-G06 N/A
Tooltip 6-3/4" 6 5 MHB-CF-H06 N/A
Tooltip 8" 6 6 MHB-CF-J06 N/A

Accessories Table

Hydraulically (Hydro) Formed Bellows - ConFlat (CF) UHV Flanged (Braided Wall) 2

Description For Per Package Manual VacuCADSM Part Number
Gasket, Copper, DN16CF (1.33" OD) Flange , 0.837" OD, 0.640" ID, (10) Per Package 1-1/3" (DN16CF) Flanges 10 — N/A GA-0133
Gasket, Copper, DN35CF-DN40CF (2.75" OD) Flange, 1.895" OD, 1.451" ID, (10) Per Package 2-3/4" (DN35-DN40CF) Flanges 10 — N/A GA-0275
Gasket, Copper, DN50CF (3.375" OD) Flange, 2.425" OD, 2.010" ID, (10) Per Package 3-3/8" (DN50CF) Flanges 10 — N/A GA-0337
Gasket, Copper, DN63CF (4.50" OD) Flange, 3.243" OD, 2.506" ID, (10) Per Package 4-1/2" (DN63CF) Flanges 10 — N/A GA-0450
Gasket, Copper, DN100CF (6.00" OD) Flange, 4.743" OD,4.006" ID, (10) Per Package 6" (DN100CF) Flanges 10 — N/A GA-0600
Gasket, Copper, DN160CF (8.00" OD) Flange, 6.743" OD, 6.007" ID, (10) Per Package 8" (DN160CF) Flanges 10 — N/A GA-0800
Thread Lubricant, 4 Ounce Tube All CF Flanges 1 — N/A VZTL-4OZ
Gasket Removal Tool, For All Conflat (CF) Flange Sizes All CF Flanges 1 — N/A VZGRT
Gasket, Copper, DN25 (2.125" OD) Flange, 1.291" OD, 1.010" ID, (10) Per Package 2-1/8" (DN25CF) Flanges 10 — N/A GA-0212
Gasket, Copper, DN125CF (6.75" OD) Flange, 5.567" OD x 5.010" ID, (10) Per Package 6-3/4" (DN125CF) Flanges 10 — N/A GA-0675
Gasket Clips, For All Conflat (CF) Flange Sizes, (10) Per Package All CF Flanges 10 N/A VGC0275S

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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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