Custom Metal Different Diameters Ductwork Fabrication for Ventilation Systems
Different Diameters Ductwork
,Ventilation System Metal Duct
,Metal Ventilation Duct Connector
Custom Metal Different Diameters Ductwork Fabrication for Ventilation Systems
This reducer is used to connect and transition between different pipe diameters in ventilation duct systems, enabling direct connection between large- and small-diameter ducts. It features a tapered design that creates a clearly defined dimensional transition, meeting the system’s requirements for localized diameter adjustments. With its compact structure and secure connection, the product is compatible with a variety of duct layouts, ensuring system installation compatibility and overall airtightness.
| Material Types | Carbon Steel / Stainless Steel / Aluminium / Iron, etc. |
| Fabrication Method | Laser Cutting / Metal Bending / Tube Bending / Stamping / Machining / Welding / Riveting, etc. |
| Surface Treatment | Wire Drawing / Surface Grinding / Polishing / Electroplating / Anodising / Powder Coating / Baking Finish / High-temperature Coating / Sand Blasting / Enamelling / Pickling & Passivation, etc. |
| Cutting Precision | ±0.1 mm (±0.004 in) |
| Bending Range | 0.3-10 mm (0.012 - 0.394 in) |
| Pressure Tonnage Range | 35T - 150T |
| Pipe Bending Diameter Range | 6-200 mm (0.236 - 7.87 in) |
| Acceptable Drawing Formats | PDF / DWG / DXF / STEP (.step/.stp) / IGES (.iges/.igs) / SolidWorks files (.sldprt/.sldasm) |
| Production Support | Prototype to Mass Production |
Uses
Industrial ventilation systems, dust collection and exhaust systems, and air conditioning supply and exhaust ductwork projects.
One-Stop Sheet Metal Solutions, From Concept to Production
- Product Development Support
We help turn product concepts into manufacturable products. - DFM Cost Optimization
We reduce production costs through design and process optimization. - Consistent Quality Control
We maintain consistent dimensions and quality from prototyping through mass production. - Multi-Process Integration
We minimize communication overhead associated with working with multiple suppliers. - Flexible Production Capacity
We accommodate both small-batch pilot production and mass production needs. - Dedicated Project Management
We provide end-to-end project management and rapid communication and response.

FAQ
Q1: How are reducer ducts fabricated?
A1: The sheet metal is cut, bent, and seamed, resulting in a size difference between the two ends.
Q2: How are they adapted to various duct systems?
A2: The ends are custom-made as needed and connect directly to the existing ductwork.
Q3: How is an airtight seal ensured at the joints?
A3: The duct ends are flanged and fitted together, ensuring a tight contact surface and a strong seal.
Q4: What factors should be considered when selecting sheet metal materials?
A4: Strength, corrosion resistance, formability, the operating environment, and cost should all be taken into account to achieve optimal product performance and cost-effectiveness.
Q5: How does the bending radius affect the quality of sheet metal fabrication?
A5: A proper bending radius helps prevent material cracking, improves dimensional accuracy, and ensures consistent forming quality.
Q6: How can deformation during sheet metal welding be minimized?
A6: By optimizing weld design, controlling the welding sequence, and using specialized fixtures, welding deformation can be effectively reduced and assembly accuracy improved.
Our mission is to offer "High Quality" & "Good Service" & "Fast Delivery" to help our clients to gain more profits.