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K2633-7 - Lincoln Electric LFA 4.1 13ft Flexible Fume Extraction Arm

Packaging: 1 Per Ea
$3,619.56/EA $1,724.69/1 Per Ea only $1,724.69/EASave 52%

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OVERVIEW

Reach More, Move Less

If you are tired of constantly dragging your fume extractor around the shop just to reach the other side of a long weldment, the Lincoln Electric K2633-7 Mobiflex LFA 4.1 arm is the upgrade you need. With a full 13 feet of reach, this arm lets you cover a massive area from a single spot. Whether you are working on a large structural beam, a vehicle chassis, or a complex pipe assembly, this arm extends to where the work is. It is designed to be the welder's best friend—unobtrusive, easy to handle, and reliable. You can focus on laying down the perfect bead rather than fighting with your safety gear.

Stays Where You Put It

There is nothing more frustrating than a fume arm that slowly droops down while you are in the middle of a pass, or one that springs back up when you let go. The K2633-7 features a superior balance system that locks the arm in position. Once you set it, it stays there until you move it again. This stability is critical for keeping the hood in that sweet spot—about 6 to 12 inches from your arc. This ensures you are sucking up the smoke and fumes effectively without pulling away your shielding gas. The lightweight design means you don't have to be a bodybuilder to adjust it; it glides into place with minimal effort.

Built for the Grind

Shop life is tough on equipment. Tools get banged, scraped, and knocked around. Lincoln Electric knows this, which is why the LFA 4.1 arm is built with dent and scratch-resistant materials. It can take the accidental hits that happen in a busy fabrication shop and keep on working. The hood itself is a standout feature—it rotates 360 degrees. This means you can twist the hood to match the angle of your torch without wrestling with the whole tube. Plus, with the built-in baffle, you can quickly adjust the airflow right at the hood. If you need full suction for flux-cored work or a little less for sensitive TIG jobs, control is right at your fingertips.

Additional Information
Brand:Lincoln Electric
Packaging Description:1 Per Ea
Arm Length:13 ft
Model:LFA 4.1
Hood Rotation:360 degrees
Material Properties:Dent resistant, Scratch resistant
Airflow Control:Integrated Baffle

INCLUDED

  • (1) Mobiflex LFA 4.1 Fume Extraction Arm (13 ft.)
  • (1) 360-Degree Rotatable Hood
  • (1) Mounting Hardware

APPLICATIONS

  • Automotive Repair and Fabrication
  • General Fabrication
  • Heavy Fabrication and Structural Steel
  • Maintenance & Repair Operations (MRO)
  • Robotic Welding Cells
  • Shipbuilding and Marine Repair
  • Repair Welding
  • Vocational Training Centers

FAQ

The K2633-7 Mobiflex LFA 4.1 arm has a total reach of 13 feet (approximately 4 meters), allowing for extended coverage around the base unit.

For effective fume extraction, the hood should be positioned 6 to 12 inches (152-304 mm) from the welding source, either to the front or the side.

Yes, the hood is designed to rotate 360 degrees, allowing for precise alignment with the welding arc without twisting the arm.

Yes, the arm comes equipped with a baffle inside the hood that allows the operator to adjust or restrict airflow as needed.

Yes, the K2633-7 is designed for use with Lincoln Electric mobile filtration units such as the Mobiflex and Prism Mobile series.

The arm is constructed to be rugged and reliable, featuring materials that are resistant to dents and scratches common in welding environments.

Yes, it features a balance system designed to maintain stability and keep the arm in a fixed position during use.

The package typically includes the 13 ft flexible extraction arm and the 360-degree rotatable hood.

CATALOGUE & SPEC SHEETS

Spec Sheet