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Hydraulically (Hydro) Formed Bellows – ASA Flanged (Fixed)

Hydroformed Bellows – ASA Flanged (Fixed)

TFM produces ASA flanged formed bellows specifically engineered for high voltage (HV) systems. These specialized components are crafted from 300 series stainless steel flexible hoses and 304L stainless steel ASA flanges. ASA flanges serve as efficient vacuum seals for HV applications, featuring a grooved flange designed to hold an O-ring and a corresponding smooth (flat) mating flange.

Key Features of Hydroformed Bellows – ASA Flanged (Fixed)

  • Resilient Design: Our bellows can withstand numerous flexing cycles without the risk of cracking, ensuring long-lasting performance in demanding environments.
  • Leak-Free Construction: Utilizing a seam-welded approach, these bellows effectively eliminate virtual leaks that may occur with lap-welded seams, guaranteeing a reliable seal.
  • Versatile Flange Options: Each unit consists of one rotatable and one fixed ASA flange, available in various configurations of flat and grooved styles to suit specific application needs.
  • Dynamic Flexibility: Unbraided flexible hoses can extend up to 10% beyond their live length and compress up to 15%, accommodating movement and maintaining integrity during operation.
  • Protective Sheath: Braided flexible hoses are equipped with a protective sheath that shields the convoluted hose from potential damage, enhancing durability and longevity.

TFM is dedicated to providing high-quality solutions tailored to the unique demands of HV systems, ensuring optimal reliability and performance.

Ordering Table

Drawing FlangeSize BellowsID FreeLength ASASize ASAType Part Number
Tooltip 4.25 1 4 1 Flat ASA Flanges AFB04X010
Tooltip 4.25 1 4 1 One Grooved ASA Flanges AFB04X010G
Tooltip 4.25 1 4 1 Both ASA Flanges Grooved AFB04X010GB
Tooltip 4.25 1.5 4 1 Flat ASA Flanges AFB04X015
Tooltip 4.25 1.5 4 1 One Grooved ASA Flanges AFB04X015G
Tooltip 4.25 1.5 4 1 Both ASA Flanges Grooved AFB04X015GB
Tooltip 5 2 4 1.50 Flat ASA Flanges AFB05X020
Tooltip 5 2 4 1.50 One Grooved ASA Flanges AFB05X020G
Tooltip 5 2 4 1.50 Both ASA Flanges Grooved AFB05X020GB
Tooltip 5 2.5 6 1.50 Flat ASA Flanges AFB05X025
Tooltip 5 2.5 6 1.50 One Grooved ASA Flanges AFB05X025G
Tooltip 5 2.5 6 1.50 Both ASA Flanges Grooved AFB05X025GB
Tooltip 6 3 6 2 Flat ASA Flanges AFB06X030
Tooltip 6 3 6 2 One Grooved ASA Flanges AFB06X030G
Tooltip 6 3 6 2 Both ASA Flanges Grooved AFB06X030GB
Tooltip 7.5 4 6 3 Flat ASA Flanges AFB07X040
Tooltip 7.5 4 6 3 One Grooved ASA Flanges AFB07X040G
Tooltip 7.5 4 6 3 Both ASA Flanges Grooved AFB07X040GB
Tooltip 9 4 6 4 Flat ASA Flanges AFB09X040
Tooltip 9 4 6 4 One Grooved ASA Flanges AFB09X040G
Tooltip 9 4 8 4 Both ASA Flanges Grooved AFB09X040GB
Tooltip 9 6 8 4 Flat ASA Flanges AFB09X060
Tooltip 9 6 8 4 One Grooved ASA Flanges AFB09X060G
Tooltip 9 6 8 4 Both ASA Flanges Grooved AFB09X060GB
Tooltip 11 6 8 6 Flat ASA Flanges AFB11X060
Tooltip 11 6 8 6 One Grooved ASA Flanges AFB11X060G
Tooltip 11 6 8 6 Both ASA Flanges Grooved AFB11X060GB

 

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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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