
The Tweco 1046-2254 is a specialized Handle Cap Assembly designed exclusively for the Tweco Smoke Master® 450 Air-Cooled Fume Extraction MIG Gun. As a critical component of the gun's handle architecture, this assembly serves as the rear retention and swivel point, ensuring the cable assembly remains securely anchored to the gun handle while allowing for necessary maneuverability during welding operations. This part is engineered to meet the specific dimensional and thermal requirements of the 450-amp air-cooled system.
Manufactured to original equipment specifications, this cap assembly ensures a seamless fit with the Smoke Master handle housing. Proper installation of this component is essential for maintaining the seal integrity required for efficient fume extraction. In fume extraction guns, the vacuum pathway must remain uncompromised to effectively remove hazardous particulate matter from the weld zone; a damaged or ill-fitting handle cap can lead to vacuum leaks, reducing the overall efficiency of the safety system. The 1046-2254 provides the necessary mechanical seal and structural support to maintain compliance with safety standards.
The assembly is constructed from high-impact, heat-resistant materials capable of withstanding the harsh environment of industrial welding. It is rated for use with the 450A duty cycle of the Smoke Master gun, ensuring it does not degrade under thermal stress. Maintenance personnel and welding engineers should verify the integrity of the handle assembly during routine inspections of fume extraction equipment. Replacing a worn or cracked cap with this genuine Tweco part restores the gun to factory specifications.
Key Technical Specifications:
| Additional Information |
|---|
| Packaging Description:1 Per Ea, pack of 1 |
| Compatible Gun Model:Smoke Master 450 |
| Cooling Method:Air Cooled |
| Amperage Rating:450 A |
| Part Type:Handle Cap Assembly, Swivel Cap |
| Process:Fume Extraction, MIG (GMAW) |
| ----- new values below ---- |
| Compatible Gun Model:Smoke Master 450 |
| Cooling Method:Air Cooled |
| Amperage Rating:450 A |
| Part Type:Handle Cap Assembly, Swivel Cap |
| Process:MIG (GMAW), Fume Extraction |
| packaging-description:1 Per Ea |
| brand:Tweco |