Round Duct Hydraulic Elbow Machine — New | BLKMA, Ma'anshan, China

The BLKMA Round Duct Hydraulic Elbow Machine produces round elbows for ventilation and air conditioning systems, using hydraulic power to achieve higher capacity and better speed than manual or standard electric alternatives when working with spiral round duct. The machine features two worktables with adjustable height, making it easy to switch between male and female opening configurations without extensive downtime.

The roller is driven by a hydraulic motor with adjustable speed, while roller forward and backward movement is also cylinder-driven, delivering smooth, efficient working performance throughout the elbow-forming process. The machine integrates seamlessly with standard spiral duct machine workflows, extending overall duct fabrication efficiency for facilities already producing round spiral duct.

Why Choose This Hydraulic Elbow Machine?

Producing round duct elbows requires precise, consistent forming to ensure elbows fit correctly and maintain airtight seams once installed. This machine's dual workstation design offers maximum flexibility, eliminating the need for time-consuming changeovers between different elbow configurations — a genuine productivity advantage for fabricators producing varied elbow specifications.

All rotating parts are hardened, high-grade steel, designed to be virtually maintenance-free — reducing long-term operating costs and downtime risk. Combined with an optimized roller profile that improves seam quality, this machine is built for both speed and durability in continuous production environments.

Machine Specifications

• Diameter: 100–1250mm
• Thickness: 0.4–1.2mm
• Minimum diameter: 100mm
• Rolling speed: 120m/min (adjustable)
• Suitable material: Galvanized steel, stainless steel, aluminum steel
• Main motor power: 4KW + 120W (cooling fan)
• Hydraulic oil: 55L
• Air compressor requirement: 0.8MPa
• Dimensions: 2700×700×1200mm
• Weight: 760kg

Condition Available: New

Key Features

• Dual workstation design — maximum flexibility, eliminates changeover downtime
• Hydraulic power for higher production speed and flanging speed
• Optimized roller profile for improved seam quality
• All rotating parts hardened, high-grade steel — virtually maintenance-free
• Seamless integration with spiral duct machine workflows
• Handles galvanized steel, stainless steel, and aluminum steel

Applications

• Round duct elbow production for HVAC systems
• Ventilation and air conditioning ductwork fabrication
• General round duct fitting manufacturing

Who This Machine Is For

• HVAC duct manufacturers and fabricators
• Ventilation equipment suppliers producing round duct fittings
• Facilities requiring high-speed, low-maintenance elbow production

Frequently Asked Questions

What materials can this machine process?
The machine handles galvanized steel, stainless steel, and aluminum steel, with a thickness range of 0.4–1.2mm.

Why does this machine have two worktables?
The dual workstation design, with adjustable worktable height, allows quick switching between male and female opening configurations, eliminating time-consuming changeovers.

What diameter range does this machine cover?
The machine handles diameters from 100mm up to 1250mm.

How does hydraulic power benefit this machine?
Hydraulic power ensures higher capacity and better speed compared to standard alternatives, with the roller driven by an adjustable-speed hydraulic motor and cylinder-driven forward/backward movement.

How much maintenance does this machine require?
Very little — all rotating parts are hardened, high-grade steel, designed to be virtually maintenance-free.

Is financing or staged payment available?
Yes. A deposit secures your order and begins production, with the remaining balance due only once your machine has been built, inspected, and is ready to ship.

Should I buy new or used?
This model is available new, from a manufacturer with duct machinery experience since 1994.