Automatic Round Downspout Pipe Roll Forming Machine for Rainwater System 6–12m/min

Modern rainwater drainage systems require durable and accurately formed downpipes to efficiently direct water away from buildings. Our Round Downspout Roll Forming Machine is specifically designed to manufacture high-quality 101mm and 95mm round downspouts from galvanized steel, aluminum, and other coated metal coils. Equipped with a hydraulic cutting system and optional elbow forming unit, this production line provides a complete solution for residential, commercial, and industrial gutter systems.

Round Rainwater Pipes

This machine continuously converts metal coils into finished round downspouts through a fully automated process. From decoiling and guiding to roll forming and hydraulic cutting, every stage is synchronized through a PLC control system to ensure stable operation and accurate dimensions.

The machine can produce both 101mm and 95mm diameter round downpipes, allowing manufacturers to meet different market requirements without sacrificing productivity. As a result, users benefit from reduced labor costs, improved consistency, and higher production efficiency.

Furthermore, the hydraulic cutting system delivers clean and precise cuts without deforming the pipe profile, helping maintain a professional finish throughout production.

Durable Roll Forming System for Long-Term Performance

The forming section is built with precision-machined rollers manufactured from heat-treated 45# steel and protected by chrome coating. This combination significantly improves wear resistance and extends roller service life.

At the same time, the heavy-duty machine frame and robust transmission system ensure stable operation even during continuous production. Because of the accurate roller design, the finished downspouts feature smooth surfaces, consistent diameters, and tight dimensional tolerances.

In addition, the PLC control system allows operators to easily adjust production parameters, monitor machine status, and manage cutting lengths directly from the touchscreen interface.

Advantages of Metal Downspout Systems

Compared with plastic drainage products, metal downspouts provide superior durability and long-term value.

Key benefits include:

• Excellent resistance to temperature fluctuations
• High structural strength and impact resistance
• Long service life with minimal maintenance
• Corrosion protection through galvanized or coated surfaces
• Recyclable material for environmentally friendly construction
• Professional architectural appearance

Because steel experiences minimal thermal expansion and contraction, the finished downspouts remain stable even under changing weather conditions. Consequently, building owners enjoy reliable water management for many years.

Technical Specifications

Item	Specification
Finished Product	Round Downspout
Pipe Diameter	75mm / 90mm
Material Thickness	0.5–0.8mm
Suitable Material	Galvanized Steel, Aluminum, Color-Coated Steel
Yield Strength	Up to 235 MPa
Forming Stations	20–22 Stations
Roller Shaft Diameter	60–65mm
Roller Material	45# Steel, Chrome Coated
Shaft Material	45# Steel
Cutting Type	Hydraulic Cutting
Main Motor Power	5.5–7.5KW
Hydraulic Power	4KW
Production Speed	6–12m/min
Control System	PLC with Frequency Converter
Machine Length	About 11–12m
Machine Weight	5–7 Tons

Optional Elbow Forming Unit for Complete Drainage Systems

Many construction projects require elbows and bends to connect gutters with vertical downpipes. Therefore, the production line can be equipped with an automatic elbow forming machine.

After the downspout is formed and cut, the elbow machine reshapes the pipe into various bending angles according to project requirements. This capability enables manufacturers to produce complete rainwater drainage components from a single production line.

As a result, customers can streamline production, reduce outsourcing costs, and improve delivery efficiency.

Applications and Complete Turnkey Solution

Round downspouts play an essential role in transferring rainwater from roof gutters to drainage systems. They are widely used in:

• Residential housing projects
• Commercial buildings
• Warehouses
• Industrial facilities
• Agricultural structures
• Public infrastructure projects

Before shipment, every machine undergoes installation, testing, and quality inspection. Therefore, customers can begin production shortly after connecting power and hydraulic systems. When required, our engineers can also provide on-site installation, training, and commissioning services.

With years of experience in manufacturing gutter machines, fascia cover machines, and downspout roll forming machines, we provide reliable equipment solutions tailored to the specific needs of customers worldwide.