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Swagelok Union Elbows

Swagelok Union Elbows: Compact 90° Tube Connections for High-Integrity Systems

Swagelok Union Elbows from TFM are designed to provide a smooth 90-degree connection between two tubing lines, allowing for precise redirection of flow within compact or space-constrained installations. These elbows feature Swagelok’s dual-ferrule compression fittings on both ends, ensuring leak-proof, torque-free seals across critical process and instrumentation systems.

Whether you’re routing gas lines in a vacuum system or installing water circuits in industrial cooling setups, Swagelok Union Elbows offer the durability, safety, and performance required for high-reliability applications.

Key Features of Swagelok Union Elbows:

  • Leak-Proof, Torque-Free Sealing
    Engineered to deliver a secure, consistent seal without over-tightening, Swagelok Union Elbows protect tubing integrity while reducing assembly time.

  • 90° Elbow Geometry for Compact Routing
    Perfect for changing flow direction in tight spaces—these elbows maintain system flow efficiency while minimizing tube stress and footprint.

  • Leak Prevention in Critical Applications
    Ideal for high-purity, high-pressure, or hazardous systems, these fittings help eliminate costly and dangerous leaks, improving system uptime and operator safety.

  • Material Options for Application-Specific Needs

    • Stainless Steel Union Elbows: Optimized for gas systems, corrosive media, or cleanroom conditions.

    • Brass Union Elbows: Best suited for water systems or non-aggressive media in general industrial environments.

  • Available in Fractional and Metric Tube Sizes
    Supports a wide range of system configurations with consistent mechanical and sealing performance.

Applications:

  • Directional tube routing in confined instrumentation panels

  • High-vacuum or process gas redirection in semiconductor tools

  • Coolant line turns in water-cooled systems

  • Skid or OEM system builds requiring compact, modular design

  • Retrofitting or upgrading existing 90° connections with leak-free performance

TFM also provides a full line of Swagelok-compatible fittings, including union tees, crosses, bulkhead connectors, NPT adapters, and valves, ensuring you have all components needed for a complete and reliable tubing infrastructure.

Ordering Table

Reference Material Tube OD 1 Part Number
Swagelok Union Elbows Stainless Steel 1/16" SS-100-9
Swagelok Union Elbows Stainless Steel 1/8" SS-200-9
Swagelok Union Elbows Stainless Steel 1/4" SS-400-9
Swagelok Union Elbows Stainless Steel 3/8" SS-600-9
Swagelok Union Elbows Brass 1/4" B-400-9
Swagelok Union Elbows Brass 3/8" B-600-9

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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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