The Fronius 42.0300.0820 Gas Nozzle is a critical consumable designed for precision TIG welding applications. Manufactured from high-grade ceramic material, this nozzle is engineered to withstand the extreme thermal cycling inherent in gas tungsten arc welding (GTAW). The ceramic composition offers excellent electrical insulation and high heat resistance, preventing premature failure during prolonged welding sessions. This specific model features an orifice diameter of 6.4mm, which provides a focused column of shielding gas, essential for protecting the weld pool from atmospheric contamination and ensuring porosity-free welds.
With a length of 33mm, this nozzle strikes a balance between accessibility and gas coverage. It is compact enough to allow the welder to access tight corners and confined spaces, yet long enough to maintain a laminar gas flow over the tungsten electrode and the workpiece. The nozzle is designed to thread securely onto the torch head, ensuring a gas-tight seal that prevents turbulence and air aspiration, which are common causes of weld defects. Proper maintenance of the gas nozzle is vital for arc stability; a damaged or clogged nozzle can disrupt gas flow, leading to erratic arcs and poor weld bead appearance.
This component is specifically calibrated for compatibility with a range of Fronius TIG torches, including the air-cooled TTG1200A and TTG2200A, as well as the water-cooled TTW2500A and TTW3000A models. It is also a standard replacement part for the AccuPocket 1600 portable welding system. By using the correct OEM-specified nozzle, operators ensure that their equipment performs to the manufacturer's specifications, maintaining the high standards of quality expected from Fronius welding systems. Whether used in manual fabrication or automated setups, this ceramic nozzle delivers consistent performance and durability.
Industrial MRO professionals understand that using the correct consumables is key to minimizing downtime. This nozzle's robust construction reduces the frequency of replacements required due to heat stress cracking, although it should still be inspected regularly for physical damage or spatter buildup. It serves as an essential stock item for workshops utilizing Fronius TIG equipment, ensuring that production can continue without interruption when consumables inevitably wear out.
| Additional Information |
|---|
| Item:Nozzle Cup |
| Brand:Fronius |
| Packaging Description:1-per-each |
| Material:Ceramic |
| Orifice Diameter:6.4mm |
| Length:33 mm |
| Compatible Torches:TTG1200A, TTG2200A, TTW2500A, TTW3000A |
| Product Type:Gas Nozzle |
