Hangzhou IUWON Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of round downspout machine in China. With abundant experience, we warmly welcome you to buy high quality round downspout machine from our factory. Good service and reasonable price are available.
Robust Roll Forming System
Our machine utilizes a multi-station forming process to ensure gradual and precise shaping of the metal. The rollers are CNC-machined from high-grade Cr12 steel (or GCr15), heat-treated, and hard-chrome plated. This minimizes surface friction and prevents scratches on pre-painted coils, maintaining a flawless finish on the final product.
Advanced Cutting & Seaming Mechanism
Equipped with a hydraulic "post-cutting" system, the machine delivers clean, burr-free cuts without deforming the pipe profile. The integrated seaming unit creates a tight, leak-proof longitudinal lock-seam, which is essential for the high-pressure demands of vertical water drainage.

Smart PLC Control Interface

The entire production line is managed via a user-friendly Siemens or Delta PLC touchscreen.
- Automatic Length Control: Set custom lengths with a tolerance of $\pm 1.5mm$.
- Batch Management: Program multiple production runs and quantities in one go.
- Multi-Language Support: Easy-to-navigate interface available in English and other major languages.
Heavy-Duty Machine Frame
The base is constructed from welded H-beam steel to eliminate vibration during high-speed operation. This ensures the machine remains calibrated over years of heavy use, providing the structural stability needed for continuous 24/7 manufacturing environments.
Seamless Integration with Downspout Elbows
While this machine produces straight pipes, the output is perfectly gauged to be compatible with standard Elbow Curving Machines. This ensures that your downspout pipes will fit snugly into elbows and connectors without the need for manual resizing or flaring at the construction site.
FAQ
Q: What materials can this machine process?
A: The machine is versatile and can handle Cold Rolled Steel, Galvanized Steel, Pre-painted (PPGI) Steel, Aluminum, and Copper with thicknesses ranging from 0.4mm to 0.7mm.
Q: Can I produce different diameters on the same machine?
A: Round downspout machines are typically built for a specific diameter (e.g., 80mm or 100mm) to ensure profile precision. However, we can customize a machine with interchangeable forming rollers if your project requires multiple sizes.
Q: What is the typical production speed?
A: The standard operating speed is approximately 10 to 15 meters per minute, depending on the cutting lengths and the complexity of the profile.
Q: How do you ensure the pipes don't leak at the seam?
A: We use a specialized locking-tooling design that applies consistent pressure during the seaming stage. This creates a mechanical lock that is naturally watertight under normal drainage conditions.
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