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10461108 - Tweco Smoke Master SM400 Fume Extraction MIG Gun - 400A, 15ft, 1/16in, Tweco Connection

Packaging: pack of 1
$5,317.09/EA $3,370.94/pack of 1 only $3,370.94/EASave 37%

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SKU: TWE1046-1108 Categories: ,

OVERVIEW

Tweco Smoke Master SM400 Technical Overview

The Tweco Smoke Master SM400 (SKU: 10461108) is a high-performance air-cooled MIG gun designed for source capture of welding fumes. Engineered for industrial environments, this gun integrates a vacuum chamber and hose directly into the handle and cable assembly, allowing for the immediate removal of particulate matter and gases generated during the welding process. This specific configuration is rated for 400 Amps at a 60% duty cycle using CO2 gas, making it suitable for heavy fabrication, structural steel, and high-deposition flux-cored applications.

The gun features a 15-foot cable assembly that houses the power cable, liner, gas hose, and vacuum hose within a durable outer sheath, often reinforced with leather for abrasion resistance. The rear connection is a standard Tweco style, ensuring compatibility with a wide range of wire feeders equipped with Tweco adapters. This unit comes pre-configured for 1/16-inch (1.6mm) welding wire, utilizing a specific liner and contact tip setup optimized for this diameter. The front-end consumables are compatible with standard Tweco 14 series parts, simplifying inventory management for MRO departments.

Operational efficiency is maintained through an adjustable slide valve located on the handle, which allows the operator to regulate the vacuum flow volume (CFM). This is critical for balancing fume capture efficiency against the potential for shielding gas turbulence. When paired with an appropriate high-vacuum, low-volume extraction unit, the Smoke Master SM400 meets stringent industrial hygiene standards for hexavalent chromium and manganese exposure control.

Additional Information
Brand:Tweco
Amperage:400
Packaging Description:1 Per Ea
Cable Length:15 ft
Wire Diameter Capacity:1/16" (1.6 mm)
Cooling Method:Air Cooled
Connection Type:Tweco Style
Process Type:MIG (GMAW), Flux Cored (FCAW)
Duty Cycle:60% @ 400A

INCLUDED

  • Tweco Smoke Master SM400 MIG Gun Assembly
  • 15 ft (4.6 m) Cable with Integrated Vacuum Hose
  • Conductor Tube (60 Degree)
  • Contact Tip (1/16" installed)
  • Gas Diffuser
  • Nozzle
  • Liner (1/16" installed)
  • Tweco Rear Connection

APPLICATIONS

  • Heavy Industrial Fabrication
  • Shipbuilding and Marine Repair
  • Structural Steel Welding
  • Tank and Vessel Manufacturing
  • Confined Space Welding
  • Stainless Steel Welding (Hexavalent Chromium Control)
  • Flux Cored Arc Welding (FCAW)

FAQ

The Tweco Smoke Master requires a high-vacuum, low-volume fume extraction unit. It is not designed for use with standard shop vacuums or low-vacuum high-volume systems.

If the vacuum flow is set too high, it can disturb the shielding gas. The gun features an adjustable slide valve to regulate suction and prevent porosity.

It typically uses standard Tweco 14 Series contact tips and nozzles, along with specific gas diffusers designed for the Smoke Master series.

The SM400 is an air-cooled MIG gun rated for 400 Amps at 60% duty cycle.

Yes, by changing the liner and contact tip, you can adapt the gun for different wire diameters, though this specific SKU comes set up for 1/16".

Due to the integrated vacuum hose and shroud, it is heavier and bulkier than a standard 400A gun, but the ergonomic handle helps balance the weight.

This model features a standard Tweco-style rear connection.

Yes, it comes pre-installed with a liner suitable for 1/16" wire.