Configured assembly
Seismic Brace Assembly for Ducts
Brace assembly for rectangular and circular ductwork, with channel struts clamped to the duct and anchored to the slab above.
Application
HVAC and Ventilation Systems
Suspended ductwork is braced against horizontal seismic movement, and supported on channel frames that keep the duct elevations coordinated with the other services.
Ventilation and air-conditioning ducts are light in section but large in area, so they pick up significant horizontal load. Braces are normally arranged as a V on the duct face, with the struts anchored to the slab above and the duct clamp spreading the load across the duct wall.
QINYU supplies the whole assembly: slotted channel struts, duct clamps, hinge connectors and anchors, together with the trapeze frames that carry the duct run itself.
Technical basis
- GB 50981-2014 requires seismic bracing for rectangular ducts with a cross-sectional area of 0.38 m² or more.
- The same code requires bracing for circular ducts of 0.7 m diameter or more.
- Duct installations are commonly checked against GB 50243-2016 for construction quality acceptance.
Standards are quoted as the design reference used in our technical documentation.
Related products
Products for this application
Product range
YE-21 to YE-72
Single-Sided Strut Channel
Cold-formed C-section channel with a toothed edge, an axial stiffening rib and auxiliary measuring marks, used as the structural member of fabricated…
YEC-21 to YEC-P4-4
Strut Fittings
Angle and T fittings that join channel members in several directions, rated between 3.00 kN and 7.00 kN recommended load.
Discuss a hvac and ventilation systems project
Send the service layout and the pipe or duct sizes and we will match the braces and supports to the installation.