Hanghzou IUWON Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of downspout machine in China. With abundant experience, we warmly welcome you to buy high quality downspout machine from our factory. Good service and reasonable price are available.
Product Overview
Our Downspout Machine is a professional cold roll forming equipment specially designed for the continuous production of metal downspouts. It integrates advanced roll forming technology, intelligent control, and automatic integrated processing, realizing high-precision, efficient, and continuous production of round, rectangular, square, and custom-shaped downspouts. The machine precisely processes galvanized steel coils, color steel coils, aluminum coils, and other metal materials into standard or customized downspouts, with the whole production process of automatic feeding, leveling, roll forming, seaming, length measurement, and cutting-no manual intervention required.
The equipment fully meets international and national building drainage product quality standards (ISO9001, CE), with stable performance, flexible configuration, and easy operation, suitable for enterprises of all scales. It is widely used in building material processing plants, roof drainage system manufacturers, and steel structure supporting enterprises, providing a cost-effective and high-quality production solution for global building drainage projects.
Professional Downspout Forming, Perfect Seaming Performance
Adopts customized high-precision roll forming design, equipped with 10-16 groups of forming rollers (forged from #45 steel, hard chrome-plated and mirror polished), combined with a multi-roller leveling device to effectively eliminate coil stress. The forming error is strictly controlled within ±0.15mm, and the finished downspouts have smooth surfaces without scratches, burrs, or deformation. The integrated automatic seaming device ensures tight, leak-proof seams, strong bearing capacity, and no water leakage during use, fully meeting the waterproof requirements of building drainage systems.

Multi-Shape Adaptation, Flexible Customization

Supports one-click switching between multiple downspout shapes (round, rectangular, square) without replacing the whole set of rollers, adapting to diverse market demands. The diameter/section size of downspouts can be fully customized according to customer needs (standard round diameter: 75-200mm; standard rectangular section: 80×50mm-150×100mm), covering mainstream building drainage specifications, and can also produce special-shaped downspouts for custom projects.
Application Scenarios
The downspouts produced by our Downspout Machine are essential components of building drainage systems, with excellent waterproof, corrosion-resistant, and durable performance, widely applied in various construction fields:
- Residential Buildings: Used in villas, commercial residential buildings, and rural self-built houses; suitable for both flat and sloping roofs, effectively guiding rainwater and protecting building walls and foundations from erosion.
- Commercial & Public Buildings: Applied in shopping malls, office buildings, hotels, hospitals, schools, and stadiums; large-diameter downspouts can meet the drainage needs of large-area roofs, ensuring smooth drainage even in heavy rain.
- Industrial Buildings: Used in industrial workshops, factories, and warehouses; corrosion-resistant downspouts can adapt to the industrial environment, preventing rainwater from damaging production equipment and raw materials.
- Steel Structure Buildings: Core supporting components for steel structure workshops, prefabricated buildings, and temporary buildings; light in weight, easy to install, and consistent with the assembly characteristics of steel structure buildings.
- Landscape & Municipal Facilities: Used in park pavilions, outdoor scenic spots, and municipal public facilities; customized special-shaped downspouts can be integrated with the landscape design, ensuring drainage function while improving aesthetic effect.
- Other Fields: Applied in greenhouses, breeding sheds, and temporary construction sites; downspouts can quickly discharge rainwater, maintaining a dry environment and protecting the safety of facilities and materials.
Product Configuration
Standard Configuration
1.High-strength steel frame (overall aging treatment, precision welding, anti-vibration)
2.Servo drive system + high-precision synchronous guide rail
3.PLC touch screen control system (English interface, parameter storage, fault alarm)
4.Automatic coil feeding device (2000kg loading capacity, with coil supporting frame and anti-slip device)
5.Multi-roller sheet leveling device (eliminates coil stress, ensures material flatness)
Optional Configuration
1.Frequency conversion drive system / full hydraulic drive system
2.Laser cutting device (high-precision, no burr, for thin sheet processing)
3.Automatic finished product stacking device (reduces manual labor, improves stacking efficiency)
4.Material thickness real-time detection system (automatic alarm for unqualified materials)
5.Remote monitoring & fault diagnosis system (real-time production data, remote maintenance)
Quality Assurance & After-Sales Service
We adhere to the "Quality First, Customer Foremost" principle, and all Downspout Machines undergo strict multi-stage quality inspection before delivery, including raw material inspection, semi-finished product testing, and finished product performance testing (forming precision test, seaming leak-proof test, continuous operation test), fully complying with ISO9001 quality management system and CE certification standards. We provide a comprehensive after-sales service system to solve all your worries about equipment use:
1.12-Month Free Warranty: Free replacement of faulty spare parts (excluding wearing parts such as rollers and seals) during the warranty period; lifelong professional maintenance service.
2.On-Site Installation & Training: Our professional technical team provides on-site equipment installation, commissioning, and operator training (including operation, debugging, and daily maintenance) until your staff master all skills.
3.24/7 Online After-Sales Support: Our technical support team responds to your questions within 1 hour; provides remote guidance for fault troubleshooting, and minimizes production downtime.
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