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The Alustage Quad Truss 290 – 1/4 Circle (3 metre) is a professional curved square (4-chord) aluminium truss section designed to create 90-degree curved truss structures with a larger radius. It is ideal for architectural stage designs, curved lighting rigs, and premium event installations where smooth geometry and high load capacity are required.
Key Specifications
General
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Truss Type: Square (Quad / 4-chord)
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System Size: 290 mm
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Curve Type: 1/4 circle (90° arc)
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Arc Length: 3.0 m
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Main Tube Diameter: 50 mm
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Bracing Tube Diameter: 20 mm
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Material: High-grade aluminium alloy
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Finish: Natural aluminium
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Connection System: Conical coupling (spigot, pin & R-clip)
Design & Construction
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Precision-formed curve for smooth, professional circular layouts
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Quad configuration ensures excellent torsional rigidity
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Even load distribution across all four chords
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Precision-welded joints for structural reliability
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Suitable for indoor and outdoor installations

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