Preferred equipment for angle iron flange air ducts
This production line is particularly suitable for on-site processing of angle steel flange air ducts, as it automatically completes the uncolling, leveling, reinforcing, angle cutting, and double-sided angle flanging bending.

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Description

Basic configuration.

1. One decoiler with two coils;
2. One main machine;
3. A set of computer control system;
4. Middle support hole, angle flange hole (optional).

Functional flowchart

4 fully automatic air duct production lines=3 fully automatic air duct production lines+double-sided right angle flanging of angle steel flanges

technical parameter

order code	model	Processing sheet metal and Plate thickness （mm）	Maximum Processing Board width （mm）	Maximum Feed speed （m/min）	Maximum roll material weight （kg）	External dimensions *(Length Width * Height) （mm）**	Total power （kW)	Weight （kg）
1017	ADL-L4C12S08-1250	0.5-1.2 galvanized sheet 0.5-0.8 stainless steel	1250	15	7000	8450x1750x1500	10	3500
1018	ADL-L4C15S12-1250	0.5-1.5 galvanized sheet 0.5-1.2 stainless steel	1250	15	7000	10500x1750x1500	11	5800
1019	ADL-L4C20S15-1250	0.5-2.0 galvanized sheet 0.5-1.5 stainless steel	1250	15	7000	10500x1750x1500	11	6800
1020	ADL-L4C12S08-1500	0.5-1.2 galvanized sheet 0.5-0.8 stainless steel	1500	15	7000	8450x2000x1500	10	4000
1021	ADL-L4C15S12-1500	0.5-1.5 galvanized sheet 0.5-1.2 stainless steel	1500	15	7000	10500x2000x1500	11	6500
1022	ADL-L4C20S15-1500	0.5-2.0 galvanized sheet 0.5-1.5 stainless steel	1500	15	7000	10500x2000x1500	11	7500

The appearance, configuration, and technical parameters of the equipment are for reference only. Please refer to the actual product for accuracy

Streamlined Production for HVAC Fabrication Professionals
The Auto Duct Line 4 is an integrated solution engineered for manufacturers and contractors specializing in angle iron flange air ducts. Designed for engineering directors, procurement managers, and fabrication facility operators, this system automates the complete production workflow. From raw material handling to finished component fabrication, it streamlines operations, making it the preferred auto duct line machine for both large-scale factory production and demanding on-site projects. Our solution empowers your business to deliver consistent, high-quality ductwork with enhanced operational control and reduced dependency on manual processes.

Integrated System with Advanced Computer Control
This duct production line combines the proven capabilities of our Auto Duct Line 3 with a dedicated double-sided right-angle flanging module. The system is built on a robust single-rack frame featuring two material trays, supporting coils up to 7000 kg for continuous operation. Key processes—including unwinding, leveling, reinforcing, angle cutting, and flanging—are managed by a dedicated computer control system. This automation ensures high-precision results for materials like galvanized sheet (0.5-2.0 mm) and stainless steel (0.5-1.5 mm), accommodating board widths up to 1500 mm and feed speeds of 15 m/min.

Enhancing Productivity in On-Site and Factory Settings
Engineered for versatility, the Auto Duct Line 4 provides significant value in both controlled factory environments and dynamic on-site processing applications. Its consolidated footprint and automated features reduce manual labor, minimize material handling errors, and accelerate project timelines. For businesses involved in large-scale HVAC installations, this hvac duct machine offers a direct path to increased productivity and profitability. The system’s reliability and efficiency ensure that contractors can meet stringent project deadlines and quality specifications, solidifying their position as a leading duct work supply provider.

Product Advantages

Integrated Structural Design and Efficient Production Layout
The core structural advantage of the Auto Duct Line 4 lies in its integrated design. By merging multiple fabrication processes into a single, continuous workflow, our company has engineered a solution that minimizes factory footprint and eliminates the inefficiencies of separate workstations. The system’s architecture, which combines leveling, cutting, and flanging, reduces material transfer time and potential for damage. The single-rack frame with dual material trays ensures a stable and uninterrupted feed, enhancing throughput and optimizing the entire duct line for maximum uptime and operational continuity in demanding industrial environments.

Automation Precision and Return on Investment
This system delivers a clear return on investment through automation-driven precision and efficiency. The computer control system governs every step, ensuring repeatable accuracy that significantly reduces material waste and rework costs associated with manual errors. With a maximum feed speed of 15 m/min, the duct fabrication machines dramatically increase output capacity, enabling your business to handle larger contracts with greater confidence. By lowering the reliance on skilled labor for repetitive tasks, the Auto Duct Line 4 reduces operational expenses and enhances overall profitability, making it a valuable piece of metal fabrication equipment for sale.

Use Scenarios

High-Volume Commercial HVAC Ductwork Fabrication
In large-scale commercial and industrial construction, the Auto Duct Line 4 serves as the central production unit for rectangular HVAC systems. The machine is integrated into a fabrication workflow that begins with coil loading and ends with assembled duct sections. Its operational role is to automate the conversion of galvanized sheet metal coils into precisely cut and flanged components ready for TDF/angle iron flange connection. The primary technical advantage is its high throughput, which enables fabricators to meet the aggressive deadlines of major projects. This duct fabrication machine ensures dimensional consistency across thousands of parts, supporting seamless integration with other HVAC system components like dampers and fittings.

Stainless Steel Processing for Specialized Environments
For facilities with stringent hygiene or corrosion-resistance requirements, such as food processing plants, pharmaceutical cleanrooms, or chemical laboratories, this equipment is configured to process stainless steel ductwork. Its role is to fabricate duct sections while maintaining the material's structural integrity and surface quality. The machine’s precise leveling and controlled flanging prevent material stress and contamination, which is critical for compliance with industry standards. The ability to handle stainless steel up to 1.5 mm makes this pipe processing machine a critical asset for contractors specializing in high-performance, non-corrosive air handling systems.

About Us

Established in 2004, we are a professional manufacturer of intelligent sheet metal processing equipment. With over two decades of industry experience, our core expertise lies in providing complete solutions for air duct and volume damper processing, laser cutting, and automated sheet metal forming. Our focus is on engineering high-performance, long-lifespan machinery for global industrial users.

Operating from our headquarters in Tianjin and a large-scale production facility in Hubei, our team of over 140 professionals is committed to quality and innovation. We proudly serve more than 3,000 customers in over 45 countries, delivering reliable metal fabrication machines and intelligent manufacturing systems that enhance productivity and ensure precision for clients worldwide.

Contact our technical team for a customized equipment proposal!

FAQ

Q1. What materials and dimensions can the Auto Duct Line 4 process?
A: This duct fabrication machine is designed to work with 0.5-2.0 mm galvanized sheet and 0.5-1.5 mm stainless steel. Depending on the specific model chosen, it accommodates a maximum board width of either 1250 mm or 1500 mm. This versatility ensures the equipment can handle common material specifications used in HVAC and duct work supply.

Q2. How does the Auto Duct Line 4 differ from the Auto Duct Line 3?
A: The key distinction is that the Auto Duct Line 4 integrates the functions of an Auto Duct Line 3 with an added double-sided right-angle flanging unit. This makes it a more specialized and efficient auto duct line machine, purpose-built for the end-to-end production of angle iron flange air ducts by combining all necessary steps into a single, automated workflow.

Q3. Does this machine have options for specific duct fabrication needs?
A: Yes, this hvac duct machine can be customized with an optional feature for drilling middle support rod holes on the common plate flange edge. This function provides additional flexibility for creating ducts that must meet specific structural reinforcement requirements, enhancing the machine’s utility for complex or specialized HVAC projects.

Q4. What kind of after-sales support do you provide as the manufacturer?
A: We provide comprehensive support for every duct production line sold. Our service includes a full 1-year warranty on the equipment. Furthermore, we offer global door-to-door after-sales service to assist with installation, commissioning, and maintenance, ensuring your machine maintains optimal performance and reliability no matter your location.