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316L Stainless Steel 90° Union Elbows

316L Stainless Steel 90° Union Elbows

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316L stainless steel 90° union elbows with double-ferrule compression connections for joining two tubes of equal outside diameter in laboratory, analytical and fluid-handling systems. Available in selected metric and fractional tube sizes.

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S4R 316L Stainless Steel 90° Union Elbows provide a compact right-angle connection between two tubes of identical outside diameter. Designed for laboratory, analytical and fluid-handling systems, their forged 316L stainless steel construction combines corrosion resistance with mechanical durability. Double-ferrule compression connections provide a practical solution for routing gas and fluid lines through a 90° change of direction without welding the fitting directly to the tubing.

Key Features

✓ 316L stainless steel construction
✓ Forged-body construction
✓ 90° equal-size tube-to-tube connection
✓ Double-ferrule compression connections
✓ Metric and fractional tube size options
✓ Compact right-angle configuration

Typical Applications

• Laboratory gas and fluid lines
• Analytical and scientific instrumentation
• Electrochemical research equipment
• Chemical and solvent transfer systems
• Process and vacuum instrumentation
• Compact tubing routing assemblies
Technical Specifications
Fitting Type 90° tube union elbow
Connection Equal-size tube × tube
Material 316L Stainless Steel
Body Construction Forged body
Connection Type Double-ferrule compression
Configuration Equal 90° elbow
Tube Sizing Metric / Fractional Inch
Available Tube Sizes
Size Standard Standard Tube OD
Metric Ø4 / Ø6 / Ø8 / Ø10 / Ø12 mm
Fractional Inch 1/8" / 1/4" / 3/8" / 1/2"
Both ports use the same nominal tube outside diameter. Metric and fractional tube sizes follow separate dimensional standards.
Connection & Design
• 90° elbow geometry provides a right-angle connection between two tubes of identical outside diameter.
• Double-ferrule compression connections provide mechanical tube attachment without welding the fitting to the tubing.
• The selected fitting size must correspond to the actual outside diameter of both connected tubes.
• The compact elbow configuration supports efficient routing where installation space or tubing direction changes are constrained.
Technical Notes
• Verify tube outside diameter before selecting the fitting size.
• Tubing should be clean, round and free from surface damage in each connection area.
• Tube material and wall thickness should be appropriate for double-ferrule compression fitting installation.
Package Contents
1×
316L Stainless Steel 90° Union Elbow
Selected tube size
Installation & System Compatibility
Verify tube outside diameter, fitting size, tube material and chemical compatibility before installation. Metric and fractional tube sizes follow separate dimensional standards and should not be considered interchangeable. Operating limits depend on the complete assembly, including tube material, wall thickness, operating temperature, process media and installation conditions. For pressure-critical, vacuum-critical or temperature-critical applications, contact S4R to confirm suitability for the intended operating conditions.

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