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Professional EGW Solution for Heavy-Duty Tank Construction
WINCOO Large Tank Vertical Seam Welding Machine is a high-performance automatic welding system dedicated to vertical (3G) seam welding of large storage tanks. It adopts electrogas welding (EGW) with water‑cooled copper shoes to achieve one‑pass single‑side welding and double‑side forming. This system is widely used in tank erection projects and factory tank production, delivering stable, high‑quality welds with exceptional efficiency.
Technical Specifications
Suitable tank diameter
≥6 m
Plate thickness
8-45 mm
Plate width
1.6-3.0 m (customizable)
Welding speed
100-300 mm/min
Welding current
80-800 A
Welding voltage
20-45 V
Input power
380 V/3 PH/50 Hz
Operation
Automatic + manual adjustment
Protection class
IP54
Product Features
Robust rigid frame with stable running under heavy load
Water‑cooled copper shoes for forced weld forming
PLC digital control with parameter memory and fault diagnosis
Closed‑loop wire feeding and molten pool control
3D adjustable welding torch for precise seam tracking
Compact structure, easy transportation and on‑site setup
Core Advantages
High weld quality: X‑ray qualification rate over 99%
High efficiency: 5-8 times faster than manual vertical welding
Labor saving: Reduces reliance on high‑skill welders
Strong adaptability: Supports both top‑up and bottom‑up tank erection
Low repair rate: Uniform penetration and smooth weld surface
Reliable after‑sales: Global on‑site service and training