Description
Spiral Duct
Product Overview
The HVAC-SH Spiral Duct is designed for efficient air distribution in HVAC ventilation and air conditioning systems.
With its helical spiral seam, this duct offers superior strength, excellent airtightness, and smooth airflow, making it a preferred solution for modern commercial and industrial HVAC projects.
Compared with traditional rectangular ducts, spiral ducts provide lower air leakage, reduced pressure loss, and faster installation.
Key Features
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Spiral Seam Construction
Helical lock-seam improves structural strength and airtightness. -
High Airflow Efficiency
Smooth internal surface reduces friction loss and noise. -
Strong & Lightweight
Circular structure offers higher strength with less material. -
Standardized Manufacturing
Consistent quality and precise dimensions for easy installation. -
Custom Lengths & Diameters Available
Manufactured according to project requirements.
Material Options
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Galvanized Steel (Standard)
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Stainless Steel (304 / 316 optional)
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Aluminum (Optional)
Technical Specifications
| Item | Specification |
|---|---|
| Brand | HVAC-SH |
| Product Type | Spiral Duct |
| Shape | Round |
| Material | Galvanized Steel / Stainless Steel / Aluminum |
| Diameter Range | Custom sizes available |
| Thickness | 0.4 – 1.2 mm (customizable) |
| Connection Type | Slip joint / Flange (optional) |
| Length | Standard or customized |
| Surface Finish | Galvanized / Stainless Steel |
Typical Applications
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Commercial HVAC systems
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Industrial ventilation and exhaust systems
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Warehouses and factories
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Shopping malls and office buildings
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Air handling units (AHU) connections
Product Advantages
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Lower air leakage compared to rectangular ducts
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Reduced pressure loss and operating noise
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Faster installation and lower labor cost
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Durable materials with long service life
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Ideal for exposed or concealed HVAC systems
Compatible Equipment
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Air handling units (AHU)
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Ventilation and exhaust fans
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Air supply and return terminals
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Central air conditioning systems
OEM & Project Inquiry
We support OEM/ODM services, bulk orders, and project-based manufacturing.
Please contact us with your required diameter, material, thickness, length, quantity, and application to receive a detailed quotation and technical support.
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