HYDRAULIC SEAM CLOSING MACHINE
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Rectangular Duct Making Machine
- Hydraulic Seam Closing Machine
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Brand: DURMAPRESS
Function
- Seaming Operation:Driven by hydraulic power, it aligns and presses pipe/air duct edges precisely for seamless, sealed & stable connections.
- Efficient & Labor - saving:Easier to operate than manual methods, boosting efficiency and reducing workers’ labor intensity.
- Versatile for Materials:Adjustable for different materials (e.g., metal, plastic) and pipe/duct specs, meeting diverse production needs.
- Quality Assurance:Ensures uniform, flat seams with good sealing, reducing leakage risks and improving product quality.
- Customization Options: S-shape and snap-lock forms can be customized according to sheet locking needs.
The Hydraulic Seam Closing Machine is a kind of mechanical equipment for seaming metal sheets, and is widely used in fields such as air duct production and steel structure processing.
Working Principle:Powered by hydraulic system, drives seaming rollers to extrude, bend & interlock metal sheet edges. Core components: hydraulic pump, cylinder, seaming rollers. Precise control of pressure/stroke ensures quality seams.
Main Features:
Efficient & labor – saving: Strong hydraulic power speeds up seaming, boosts efficiency, reduces labor.
High – quality seams: Smooth, neat seams with tight gaps & good sealing, ensuring product quality.
Easy to operate: Manual/automatic modes; fix ducts/sheets, then complete seaming.
Application Scenarios:
Air duct manufacturing: For rectangular ducts (e.g., common flange ducts, locked – seam ducts), ensuring sealing/strength.
Steel structure processing: Seams steel structure components, enhancing integrity/stability.
Pipeline manufacturing: Pre – seaming for longitudinal welds of round, tapered pipelines, ensuring weld quality.
- Compatibility:The air duct vertical hydraulic lock seaming machine can be used with the air duct production line, the T12 flange forming machine and lock forming machine.
- Ideal Connection Interfaces:The joint port and the right-angled edge are the ideal interfaces for the duct connection.
- Precise and High-Quality Joint:The ML-12 can be combined with the gap of the joint port accurately and with high quality without any other auxiliary connecting tools.
- Aesthetic and Surface-Friendly:It is not only beautiful and not damaging the metal surface.
- Superior Performance:The noise is low, the joints are tight and flat, and the effect is good.
- Versatility for Plate Thicknesses:Suitable for different plate thicknesses, quick and secure joints.
- Reliable Control System:With Mitsubishi PLC control, long-term performance is stable and excellent.
Ergonomic Design and Efficiency:The vertical layout is ergonomically designed and easy to operate, which greatly improves the production efficiency of the duct.
- Technical Data

- Shipping & Packing

Shipping & Packing
Each Machine with plastic film package first, then placed in a wooden case, wooden case with a foam filling.
We loaded the truck with heavy trucks for loading the cargo to the harbor terminal.At the dock we pack the goods in containersand ship them abroad.
- Why Choose Us
Industry Experts
Professional HVAC Duct Machines Manufacturer
Perfect After-sales
24-hour after-sales response service
Engineer Overseas Service
Our engineers provide 24/7 on-site technical support
- Frequently Asked Questions
- You can choose the shipping company on your own. Or use our forwarder, we will quote you the CIF price.
- If less than one container,we will choose LCL (less container load), it will be cost-efficiency. If you purchase two and above, we will use 20″, 40″ or HQ container according to the machines size.
DURMAPRESS is a mature brand in China. We have CE, ISO and SGS certification to prove our quality. We welcome your visit, seeing is believing.
- T/T (30% advance payment, and 70% balance paid one week before shipment)
- L/C (100% L/C at sight), this should be negotiated first.
We always prepare stock for our clients. Contact us to learn more details.
Normally 15 days.
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