FD 44 Circles

Naxpro FD 44 Circular Truss (4-Point / Square) with a 39 cm side length. The largest and strongest of the FD range, ideal for critical loads, large LED screens, and maximum torsional stability in massive structures.

The FD 44 Circular Truss series by Naxpro Truss is the largest and most robust Square Truss (4-Point) circular structure in the entire Fair Duty (FD) range. This truss uses the maximum cross-section (39 cm) to offer heavy-duty load capacity (Heavy-Duty-Light), ideal for the largest circular structures and those with the most critical load requirements.

The FD 44 is the definitive structural solution within the FD line, providing unsurpassed bending and torsional resistance, and ample interior space for large equipment and efficient cable management.

⚙️ Features and Structural Improvement

Feature FD 44 Detail Comparison with FD 34
Structure 4 Point Circular (Square Truss), classified as Fair Duty (FD). Maintains the 4-point square geometry.
Section Dimensions Extra-large square section (approx. 39 cm side length). Much Larger (FD 34 is approx. 29 cm). The increase to 39 cm maximizes inertia, and therefore, resistance and stability.
Main Tubes Four parallel tubes of 50 mm diameter with a wall thickness of 2 mm, joined by webbing on all four sides. The main tube diameter is the same.
Load Capacity Critical / Heavy-Duty. Offers the maximum load capacity and torsional resistance of the entire FD range, suitable for suspending large-format LED screens, sound systems, and complex kinetic structures. Definitely Higher. Performs like a high-end truss at an optimized cost.
Torsional Stability The best in the FD range. The large size of the square frame (39 cm) provides exceptional rigidity, crucial for maintaining shape in large rings and under off-centre loads. Superior.
Key Advantage for Rigging The vast interior space facilitates the integration of auxiliary equipment, hoists, and massive cabling, allowing for clean and complex installations. Equipment and cable management is much simpler in high-level productions.
Connection Standard conical connection system, compatible with straight sections of the FD 44 series. Maintains compatibility with the rest of the FD 4X series.