Double Sided Automatic Sub-Arc Girth Welding Machine (AGW-II)
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Product Highlights
- Dual-Sided Welding Capability: Realizes simultaneous welding of two sides girth seams for maximum efficiency.
- High First Pass Quality: Achieves over 99% qualification rate in first X-ray testing.
- Superior Welding Speed: Efficiency can reach up to 30 times that of manual welding.
- Wide Tank Applicability: Suitable for tanks larger than 30M and shell plate widths from 1.3M to 2.8M.
- Versatile Installation Methods: Supports both bottom-to-top and top-to-bottom tank erection.
- Robust Plate Thickness Range: Handles tank plate wall thickness from 10mm to 50mm.
- Advanced Control System: Features weatherproof control box with digital display and inverter drive.
- Multi-Industry Application: Widely used in oil & gas, petrochemical, shipbuilding, and nuclear industries.
Product Attributes
- Customization
- Available
- Type
- Arc Welders
- Condition
- New
- Model NO.
- AUTO
- Current
- Alternating Current
- Application
- Oil and Gas, Refinery Facilities, Offshore &Shipbu
- Model
- Agw
- Transport Package
- Packed in Container
- Specification
- ISO9001: 2008
- Trademark
- NAEC
- Origin
- China
- HS Code
- 85153190
- Production Capacity
- 200 Sets/Year
Product Images of Double Sided Automatic Sub-Arc Girth Welding Machine (AGW-II)
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Product Description
Double Sided Automatic Sub-Arc Girth Welding Machine (AGW-II)
Features:
1.Adopt sub-arc welding technology;
2.Applicable to bottom-to-top tank erection, hanged on shell top;
3.First X-RAY qualification rate above 99%;
4.More suitable for erection of tanks larger than 30M;
5.Two welding systems, high efficient welding.

weldign head of AGW-II

Double Sided Automatic Sub-Arc Girth Welding Machine (AGW-II) is a girth seam welding machine developed by NAEC with frontier technology. It adopts special welding and control communications technology which can realize welding two sides girth seams at the same time. It helps customers to achieve the highest welding speed and welding quality.
It is widely used in the industry of oil & gas, petroleum, petrochemical, refinery, pressure vessel fabrication, shipbuilding, nuclear, etc.
Tank Construction Machines
| 1 | ![]() |
Girth Seam Welding Machine >Applicable to both bottom-to-top and top-to-bottom tank erection >Adopting Sub Arc Welding technology >Standard machine suitable for shell plate width: 1.3M-2.8M >Max. Efficiency of AGW could be 30 times as manual welding |
| 2 | ![]() |
Vertical Seam Welding Machine >Suitable for tank plate wall thickness is from 10mm to 50mm >Motor frequency inverter drive system >Weatherproof control box with digital display for welding speed >Travel speed: 0~2200mm/min >Beveled gear drive reducer, good locking ability in both directions |
| 3 | ![]() |
Butt/Corner Seam Welding Machine >Applicable to butt seam welding of bottom plates >With magnetic idler system >More than 99% Qualified first X-ray test. >Suitable for both Top-to-Bottom and Bottom-to-Top Tank Construction Method |
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR2441249". Items marked "" are certified.
Company Profile
Since founded in 1996, NAEC Group takes intelligence and digitization as tools, sets lean and low-carbon concepts as its values, establishes a triune development strategy integrating intelligent workshop, intelligent logistics and intelligent management, has a global industrial distribution, innovates NAEC metal engineering 4.0 lean and intelligent manufacturing solution with industrial advantages.
With the corporate mission of "facilitating system integration with intelligent equipment, facilitating application promotion with system integration, and facilitating industrial upgrading with application promotion", NAEC has devoted in high-end welding applications for more than 26 years with the values of "professional, innovation, integrity, service, and foresight". We have been committed to provide the lean fabrication one-stop solutions for various materials such as carbon steel/alloy steel/high alloy steel/stainless steel etc. In China and even in the world, and have reached the X-ray inspection level with high technical difficulties. The designed intelligent workshop, streamlined production lines, automatic equipment and information management systems have been widely applied to several metal engineering industries such as nuclear power, wind power, thermal power, petroleum, petrochemical, offshore, shipbuilding, metallurgy, construction machinery, vehicle etc. All over the world, the business footprints have covered over 50 countries and regions.
NAEC has profoundly mastered various advanced, efficient and high-quality welding methods and processes in the world today, and is good at developing and designing high-tech equipment, which is widely promoted and applied in various high-end engineering and manufacturing industries, with 26 years of rich, solid and time-honored metal welding engineering experience.
Adhering to the development concept of "Chinese Intelligent Manufacturing 2025", through the research and development of abundant solutions, production lines, equipment, information systems, and welding processes, promote the intelligent fabrication solutions from the application in energy engineering industry to the metal engineering industry, focusing to provide the brand-new intelligent welding one-stop solution and lean intelligent manufacturing production line with innovative technology, advanced methods, high efficient welding and excellent welding quality to the welding and manufacturing of high-strength steel materials in the metal engineering industry, which will definitely refresh the existing status of the metal engineering industry and become the preferred partner in the global metal engineering manufacturing field.
About Our Factory & Business Background
- Address
- 11th Floor, B4, Jiulonghu International Headquarter Park, No. 19 Suyuan Avenue, Jiangning District, Nanjing, Jiangsu, China
- Terms of Payment
- LC, T/T
- International Commercial Terms(Incoterms)
- FOB, CFR, CIF, Others
- Average Lead Time
- Peak Season Lead Time, 6-12 months, Off Season Lead Time, 1-3 months
- Nearest Port
- shanghai, nanjing, ningbo
Our Production Capability & Technical Expertise
- Main Products
- Pipe Spool Fabrication Solution, Pipe Cutting and Beveling All-in-One Machine, High Speed Band Saw Cutting Machine, Automatic Pipe Welding Machine, Sub-Arc Girth Welding Machine, Automatic Electric-Gas Vertical Welding Machine, Plate Cutting and Milling Machine, CNC Pipe End Beveling Machine, Multi-Function Pipe Fitting-up Station, Automatic Elbow Welding Machine
Our Industry Experience & Global Business Record
- Export Year
- 2008-01-01
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What is the maximum efficiency compared to manual welding?
- The maximum efficiency of the AGW-II could be 30 times as high as manual welding.
- What is the qualification rate for the first X-ray test?
- The first X-ray qualification rate is above 99%.
- What tank sizes is this machine suitable for?
- It is more suitable for erection of tanks larger than 30M.
- What is the range of shell plate widths the machine can handle?
- The standard machine is suitable for shell plate widths from 1.3M to 2.8M.
- Can this machine be used for both bottom-to-top and top-to-bottom construction?
- Yes, it is applicable to both bottom-to-top and top-to-bottom tank erection.
- What is the travel speed range of the machine?
- The travel speed ranges from 0 to 2200mm/min.
- What is the lead time for this machine during peak season?
- The peak season lead time is 6-12 months.
- What are the available payment terms?
- Payment terms include LC and T/T.
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Product Groups
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- Logistics Product Series
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