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ESAB LAF 631/1001/1251/1601 Submerged Arc Welding Machine

ESAB LAF 631/1001/1251/1601 Submerged Arc Welding Machine is a powerful DC welding power unit designed for highly efficient automatic welding processes. Widely used in shipbuilding, power generation, heavy industry and infrastructure projects, this system offers superior performance in submerged arc welding (SAW) and gas metal arc welding (GMAW) applications. Thanks to its fan-cooled design and parallel connection capability, it ensures stable operation and maximizes weld quality even during extended periods of use. In addition, integrated protection mechanisms ensure a safe working environment by automatically shutting down the device in case of overload.

ESAB LAF 631/1001/1251/1601 Submerged Arc Welding Machine optimizes industrial welding processes with excellent arc stability and user-friendly control systems. It works in harmony with PEK or PEI process control units, allowing easy setting and monitoring of welding parameters. Thanks to its high current capacity and flexible handling options, it offers a reliable solution for large-scale production lines and increases production efficiency. At the same time, it also offers superior performance in terms of energy efficiency, helping to reduce operating costs.

What is ESAB LAF 631/1001/1251/1601 Submerged Arc Welding Machine?

ESAB LAF 631/1001/1251/1601 Submerged Arc Welding Machine is a DC welding power unit developed to provide maximum efficiency and quality in industrial welding processes. With its high current capacity and advanced cooling system, it maximizes the durability and quality of the weld seams, offering stable performance even in long-term welding processes.

This machine is particularly ideal for heavy industrial applications such as shipbuilding, pressure vessels, boiler manufacturing and infrastructure projects. It offers integration with ESAB’s A2-A6 equipment range and PEK/PEI process control units, allowing operators to easily control and optimize welding parameters.

The ESAB LAF 631/1001/1251/1601 series offers highly efficient energy utilization, helping to reduce costs. Thanks to its fan cooling system and durable construction, it ensures long life operation and offers a reliable option for industrial use. Thanks to its multiple parallel connection option, it also offers an effective solution in jobs with higher current requirements. With all these features, it stands out as an innovative welding technology that increases efficiency and quality in production lines.

Highlights

  • The improved pulse system reduces spatter during welding and allows easier control of the weld pool and solidification process.
  • It offers full functionality for aluminum, stainless steel, and steel materials.
  • With the synergic function mode, when material thickness, wire speed, or welding current is selected, the machine automatically adjusts other welding parameters and selects the appropriate process.
  • The smart fan technology activates based on the operating temperature, reducing noise and energy consumption.
  • The built-in wind tunnel prevents dust from the external environment from reaching the electronic boards inside the machine.
  • Simple user interfaces, along with a highly user-friendly and multilingual TFT screen, provide the operator with easy and accurate usage.
  • The wire feeding system, equipped with a powerful encoder motor and a 4×4 wire feeding mechanism, ensures stable and spatter-free arc formation. This allows smooth welding of soft wires without breakage.
  • Thanks to inverter technology, it provides up to 40% energy savings.
  • The integrated water cooling system allows the machine to be used with either air or water cooling.
  • It complies with LVD (EN 60974-1), EMC (EN 60974-10), and CE regulations.
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