HOGI Automatic Tank Welding Machine
HOGI Automatic Tank Welding Machine – High-Efficiency Industrial Seam & Girth Welder
Product Category: Automatic Tank & Vessel Welding Systems
Applicable Processes: SAW, TIG, MIG/MAG, Plasma Welding
Applications: Pressure Vessels, LPG/LNG Tanks, Storage Tanks, Stainless Steel Containers, Oil & Chemical Storage
The Automatic Tank Welding Machine is an advanced, high-precision industrial welding system engineered to automate longitudinal and circumferential seam welding for cylindrical tanks, pressure vessels, fuel containers, and storage drums. Designed to replace labor-intensive manual welding, this automated system delivers exceptional weld penetration, superior aesthetic finishes, and X-ray clear weld quality while drastically reducing cycle times and labor overhead.
Equipped with intelligent PLC/CNC controllers, automated seam tracking modules, and precision turning rolls, our automatic tank welders provide unmatched stability and repeatability across a wide spectrum of plate thicknesses and vessel diameters.
HOGI Tank longitudinal seam welding machine
HOGI Tank circumferential seam welding machine / Girth welding machine
Key Features & Core Advantages
- Superior Weld Quality & High X-Ray Pass Rate:Precision digital control over welding current, voltage, and travel speed eliminates human error, achieving over 98% first-time pass rates under UT and RT non-destructive testing.
- Increased Productivity (3X to 5X Efficiency):Continuous automated operation reduces welding time by up to 80% compared to traditional manual stick or semi-automatic methods.
- Advanced Seam Tracking Technology:Integrates laser seam tracking and Arc Voltage Control (AVC) to automatically compensate for workpiece deformation, fit-up tolerances, and thermal expansion.
- Flexible Process Integration:Seamlessly compatible with Submerged Arc Welding (SAW), TIG (GTAW), MIG/MAG (GMAW), and Plasma Arc Welding (PAW) based on material specifications and wall thicknesses.
- User-Friendly Touchscreen Interface:Features intuitive multi-language HMI controls, allowing operators to pre-set multi-pass welding parameters and switch jobs instantly.
- Robust & Modular Design:Built with high-rigidity heavy-duty frames, precision linear guides, and anti-drift turning rolls to handle workpieces weighing from a few hundred kilograms up to 50+ tons.
Technical Specifications
Parameter Specification
Standard Range / Custom Options
Applicable Tank Diameter
300 mm – 4,000 mm (Customizable for field storage tanks up to 10m+)
Applicable Tank Length
500 mm – 12,000 mm
Workpiece Plate Thickness
1.5 mm – 50 mm (Depending on process: TIG/MIG/SAW)
Suitable Materials
Carbon Steel, Stainless Steel (304/316L), Aluminum Alloys, Alloy Steel
Welding Processes
SAW (Submerged Arc), TIG (Cold/Hot Wire), MIG/MAG, Plasma
Welding Speed
100 – 1,500 mm/min (Steplessly adjustable)
Control System
Siemens PLC + Touchscreen HMI / CNC Controller
Power Supply
3-Phase 380V/415V/480V 50/60Hz
Main Machine Gallery


Details Gallery
System Configurations & Machine Types
1. Tank Longitudinal Seam Welding Machine
Specially engineered for butt-joint welding of rolled sheet metal cylinders. Features pneumatic copper backing clamps and water-cooling blocks to ensure single-side welding with perfect double-side bead formation without thermal distortion.
2. Tank Circumferential (Girth) Welding Machine
Designed for joining tank shell sections or welding dish ends (heads) to tank bodies. Operates via synchronized turning rolls or positioning rotators with single or dual welding heads for simultaneous multi-joint processing.
3. Integrated Tank Fit-Up & Welding Station
A complete turnkey solution incorporating hydraulic alignment, automated tack-welding, and final seam welding into a single station, significantly speeding up pre-weld assembly for high-volume manufacturing lines.
Case Studies
Customer Testimonials
“The gantry welding system delivered flawless circumferential welds on our propane tanks. No porosity, no undercut — just perfect, consistent beads. Our inspectors approved every tank on the first pass.” — Quality Manager, Pressure Vessel Manufacturer, China
“We weld storage tanks for extreme environments. HOGI’s equipment handles 20mm thick plates with ease — stable, precise, and reliable. The integrated line from rolling to welding saved us 40% in production time.” — Production Director, Petrochemical Fabricator, UAE
“The one-stop solution from HOGI covered everything — rolling machine, straight seam welder, circumferential welder. We now produce complete fan housings in one continuous flow. Game changer for our shop.” — Workshop Owner, HVAC Manufacturer, USA
Frequently Asked Questions
›What types of welding does this machine perform?
›What industries use this equipment?
›What is the gantry design advantage?
›What automation features are included?
›What is included in HOGI’s one-stop solution?
Why Choose HOGI Tank Welding Solutions
HOGI is a high-tech enterprise dedicated to the R&D, design, manufacture, and sale of intelligent welding and cutting equipment for the ventilation, environmental protection engineering, fire protection, HVAC, and metal stainless steel tank cylinder industries. Our equipment achieves automation, intelligence, and parameterized production — delivering efficiency, precision, stability, and adaptability for all your cylinder fabrication needs.
From 2-roller and 4-roller CNC rounding machines to straight seam welding, shrimp elbow automatic welding, flanging and punching machines, and complete automatic production lines — HOGI provides a comprehensive product portfolio. Whether you need small diameter rolled round production lines, duct automatic round rolling lines, fan outer cylinder roll welding lines, or robot automatic welding for impellers and flanges, HOGI delivers one-stop solutions backed by years of engineering expertise.
HOGI provides comprehensive technical support, installation, operator training, spare parts, and warranty worldwide.
Technical Support & Services
Professional on-site setup of complete rolling-welding lines — from rolling machine to welder.
Hands-on training for automatic positioning, clamping, welding parameter setting, and inspection.
Welding parameter adjustment for your specific materials, thicknesses, and tank sizes.
Complete rolling-welding production line integration — from coil feeding to finished tank.
Comprehensive warranty on gantry structure, control system, welding heads, and automation components.
Request a Quote
HOGI Automatic Tank Welding Machine Manufacturer — HOGI specializes in intelligent Rolling welding and cutting equipment for the ventilation, environmental protection, fire protection, HVAC, and metal stainless steel tank cylinder industries. This specification page covers our complete product series and welding capabilities for tanks, pressure vessels, and pipelines.
Complete Product Series — One-Stop Cylinder Fabrication Solution
Industry & Application Keywords
* Storage tank welding machine
* Pressure vessel welding machine
* Stainless steel tank welding machine
* Liquefied gas tank welding machine / LPG cylinder welding machine
* Oil tank welding machine
* Water tank automatic welding machine
* Chemical tank welding equipment
* Water heater inner tank welding machine
* Automatic storage tank girth welding machine price
* Custom pressure vessel automatic welding system
* Heavy duty tank seam welding equipment supplier
* Stainless steel tank longitudinal seam welder manufacturer
* High efficiency tank fit up and automatic welding line
* CNC automatic tank body welding machine for sale
Target Industries & Applications
- Oil & Gas / Chemical Industry:Heavy-duty pressure vessels, LPG/LNG transport tanks, refinery storage tanks, and chemical reactors.
- Food, Beverage & Pharmaceutical:Sanitary stainless steel milk tanks, fermentation vessels, mixing tanks, and sterile storage containers.
- Water & HVAC Systems:Solar water heater inner tanks, heat pump storage cylinders, commercial water boilers, and water treatment vessels.
- Automotive & General Machinery:Fuel tanks, air compressor receiver tanks, hydraulic oil cylinders, and exhaust filter shells.
Welding Applications — Tank, Container & Pipe Welding
Tank Welding: Longitudinal seam welding — precise track systems ensure weld flatness and consistency. Circumferential welding — continuous and uniform welds through rotating mechanisms and welding head coordination.
Container Welding: Flange welding — precise parameter control ensures robust bond between flanges and container bodies. Corner welds — flexible welding heads and adjustment mechanisms achieve precise corner welds.
Pipe Welding: Straight pipe welding — ensures weld continuity and consistency, enhancing pressure-bearing capacity and sealing performance. Bent pipe welding — precise trajectory control and parameter adjustments guarantee weld quality and strength.
Key Equipment Specifications
| Parameter | Specification |
|---|---|
| Equipment Type | Gantry Automatic Cylinder Welding Machine |
| Welding Processes | Longitudinal seam / Circumferential seam / Flange / Corner / Pipe butt |
| Automation Features | Automatic positioning, clamping, welding, and inspection |
| Control System | Precise CNC control with rail guidance |
| Workpiece Types | Tanks, pressure vessels, containers, gas tanks, storage tanks, ducts, pipes |
| Industries Served | Petrochemical, energy, environmental protection, automotive, aerospace, HVAC, fire equipment |
Frequently Asked Questions (FAQ)
Q1: What welding process is best for my tank manufacturing?
A: For thin-wall tanks (<3mm) requiring smooth hygienic finishes, TIG or Plasma is ideal. For medium thickness (3–8mm), MIG/MAG provides high speed. For heavy-walled tanks (>8mm), Submerged Arc Welding (SAW) offers maximum penetration and deposition rates.
Q2: Can the machine handle tanks with varying diameters and lengths?
A: Yes, our equipment features adjustable turning rolls, motorized boom travel, and modular clamping beds to quickly adapt to diverse workpiece dimensions.
Q3: Do you provide custom design and automated line integration?
A: Absolutely. Our engineering team designs tailor-made automatic tank welding solutions, including fully automated loading, fit-up, welding, and unloading lines customized to your plant layout.

HOGI Automatic Cylinder Welding Machine — Complete Rolling-Welding Production Line
Live Demonstration Highlights
Watch our HOGI fully automatic plate rolling and welding production line for air tank cylinders in action — from plate rolling to longitudinal seam welding to finished pressure vessel. This video showcases the complete one-stop solution for cylinder fabrication.
- Complete Production Line Walkthrough: See the integrated process — 4-roller CNC rounding machine forms the cylinder → automatic lift welding performs longitudinal seam → circumferential welding completes the tank. Continuous flow from flat plate to finished cylinder.
- Gantry Welding Precision: Watch the gantry design with precise rail guidance and control system — automatic positioning, clamping, and welding of tank bodies. Consistent, uniform welds with minimal deformation.
- Multi-Weld Type Capability: Demonstration of longitudinal seam welding on tank bodies and circumferential welding on pressure vessels. Also shows flange welding for container connections and straight pipe welding.
- High Efficiency & Automation: See how the equipment significantly reduces manual intervention and downtime — automatic inspection ensures weld quality and sealing integrity for demanding applications like gas tanks and pressure vessels.
Engineered for Petrochemical, HVAC, Automotive & Aerospace Industries
As demonstrated in the video, HOGI automatic cylinder welding machines are optimized for petrochemical storage tanks, gas tanks, pressure vessel shells, HVAC ducts, fire equipment, automotive exhaust components, and aerospace structural parts. The gantry design provides ample working space for large workpieces and ensures stable performance even under extreme conditions. HOGI provides one-stop solutions — from angle iron punching to flange welding to complete rolling-welding production lines — with comprehensive installation, operator training, spare parts, and 2-year warranty worldwide.

