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Cleanroom Installation Accessories
Duct Hanger
An adjustable galvanized trapeze hanger with two threaded rods and a slotted channel crossbar for suspending rectangular cleanroom ductwork.
- Twin Threaded Rods
- Slotted Channel Crossbar
- Independent Level Adjustment
- Galvanized Steel Hardware
Product Introduction
The duct hanger forms a rigid trapeze below the structural attachment points. Two continuously threaded rods pass through the ends of a galvanized slotted C-channel and are retained by paired nuts and washers, allowing installers to set crossbar elevation and level before the duct is seated. The open channel accepts compatible saddles or restraint hardware without requiring holes to be drilled through the supported duct casing.
Key Features
A slotted C-channel permits flexible positioning of compatible duct restraint hardware.
Broad washer stacks distribute clamping load at the rod-to-channel interfaces.
Zinc-plated steel offers a practical finish for dry indoor service plenums.
Customer Product Concerns
Rectangular duct runs require a level, distributed support that can be adjusted around uneven overhead structure without puncturing the duct casing.
Fixed-length hangers make it difficult to level ductwork below an uneven soffit.Independent nuts on the two threaded rods allow each end of the channel to be adjusted separately.
Narrow point supports can distort light-gauge rectangular duct walls.The channel crossbar provides a continuous bearing line beneath the duct or its support saddle.
Drilling the duct casing creates avoidable leakage and contamination traps.The trapeze supports the duct externally and accepts separate restraint hardware through its slots.
Bare carbon-steel hardware can develop surface corrosion in service voids.Galvanized or stainless hardware can be selected to suit the plenum exposure.
Typical Applications
Rectangular cleanroom supply duct suspensionReturn-air duct trapeze supportsExhaust duct support framesAir-handler connection supportService-plenum HVAC installations
Technical Parameters
Typical construction ranges for an adjustable galvanized cleanroom duct trapeze hanger are listed below.
| Core Material | Galvanized carbon-steel C-channel, threaded rods, nuts, washers and anchor plates |
|---|---|
| Panel Thickness | 0.60-2.00 mm compatible rectangular duct wall thickness |
| Effective Width | 200-1500 mm adjustable duct support width |
| Maximum Length | Up to 2000 mm slotted channel crossbar length |
| Steel Facing Thickness | 1.50-3.00 mm nominal channel wall thickness |
| Core Density | Approximately 7850 kg/m³ for carbon-steel components |
| Thermal Conductivity | Approximately 45-60 W/(m·K) for carbon steel |
| Surface Finish | Silver electro-galvanized or hot-dip galvanized steel |
| Joint Type | Twin threaded-rod trapeze with nut-and-washer clamped slotted channel |
| Customization | Available based on the intended application and operating environment. |
Available Options
M8, M10 or M12 threaded rodsElectro-galvanized, hot-dip galvanized or stainless steelCustom crossbar width and slot patternOptional elastomer isolation strip or duct saddle
Planning a Duct Hanger specification?
Send us your dimensions, installation conditions, performance targets and required surface finish.
