
The ESAB Contact Tube (Part Number 0030467401) is a critical consumable component designed specifically for the PKB 315 and PKB 400 series of MIG welding guns. As the final point of contact between the welding power source and the wire electrode, the contact tube plays a pivotal role in establishing a stable electrical arc. Manufactured to ESAB's exacting standards, this tube features a precision-machined bore that facilitates smooth wire feeding while minimizing friction and drag.
Constructed from high-grade copper alloy, this contact tube offers excellent thermal and electrical conductivity. This ensures efficient current transfer to the wire, which is essential for maintaining consistent penetration and bead profile during welding operations. Over time, contact tubes wear down due to the abrasive nature of the moving wire and the intense heat of the arc. A worn tube can lead to an oval-shaped bore, resulting in erratic arc wandering and poor electrical contact. Replacing the contact tube regularly with this genuine ESAB part helps prevent these issues and maintains the integrity of your welding process.
This component is engineered for durability and ease of installation. The threaded base allows for a secure connection to the gas diffuser or gun neck, ensuring optimal gas coverage and mechanical stability. Whether used in industrial fabrication or general repair, the ESAB Contact Tube for PKB 315/400 is an indispensable spare part for maintaining the reliability of your MIG equipment.
| Additional Information |
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| Packaging Description:1 Per Ea, 5 PER EA |
| Product Type:Contact Tube |
| Compatible Models:PKB 315, PKB 400 |
| Consumable Type:Contact Tip |