The 34A Tweco-Style Nozzle Insulator is an essential consumable designed to maintain the safety and efficiency of your MIG welding operations. Engineered to fit the industry-standard Tweco® No. 4 MIG guns as well as Lincoln® Magnum® 300 and 400 series torches, this insulator serves as the critical barrier between the electrically live gas diffuser and the outer nozzle. By preventing electrical arcing and short circuits, it protects both the operator and the equipment from potential damage during high-amperage welding tasks.
Manufactured from high-quality, heat-resistant molded composite materials, the GEN34A insulator is built to withstand the intense thermal cycling inherent in industrial welding environments. It effectively resists degradation from heat and spatter, ensuring a longer service life compared to inferior alternatives. This component is designed to work seamlessly with 54A (Tweco style) and 52FN (Lincoln style) gas diffusers, providing a secure seat for the nozzle and ensuring consistent shielding gas flow.
Regular inspection and replacement of the nozzle insulator are vital for consistent weld quality. A damaged or carbon-tracked insulator can lead to erratic arcs, porosity, and premature nozzle failure. This generic replacement offers the same dimensional accuracy and performance as the OEM part (1340-1100) but at a more economical price point, making it an excellent choice for fabrication shops looking to optimize their consumable costs without sacrificing quality.
| Additional Information |
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| Packaging Description:5 in a pack |
| Item:Insulator |
| Brand:Tweco Style |
| Amps:400amp |
| Fits Which Model:Lincoln Magnum 300, Lincoln Magnum 400, Tweco No. 4 |
| Consumables Type:Nozzle Insulator |
| Series:34A |
| Compatible Diffuser:52FN, 54A |
| Material:High-Temperature Composite |
| Part Number Cross Reference:1340-1100, 34A |
