The ESAB (Thermal Dynamics) 21-1711 Shield Cap is a specialized high-performance consumable designed for automated plasma cutting systems operating at extreme amperages. Rated specifically for 800A applications, this component is critical for heavy industrial fabrication facilities processing thick aluminum plates. The shield cap is engineered to function optimally with a gas mixture of H35 (35% Hydrogen / 65% Argon) and N2 (Nitrogen), a combination often utilized to achieve superior edge quality and faster travel speeds on non-ferrous metals.
Manufactured to precise OEM tolerances, the 21-1711 ensures correct concentricity between the shield orifice and the plasma arc. This alignment is vital for maintaining arc stability and protecting the inner nozzle from double-arcing and molten blowback. The component features robust copper construction, providing the necessary thermal conductivity to manage the intense heat load generated during 800A operations. By effectively directing the secondary shield gas, it assists in cooling the nozzle and constricting the arc for deeper penetration and reduced bevel angles.
This shield cap is compatible with specific high-current Thermal Dynamics torch platforms (such as the Merlin series or similar heavy-duty automated systems). Regular inspection of the shield cap orifice is recommended; erosion or slag buildup can disrupt gas flow dynamics, leading to poor cut quality or premature failure of internal torch components. The 21-1711 represents the pinnacle of heavy-duty plasma consumable engineering, ensuring reliability in continuous production environments.
| Additional Information |
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| Packaging Description:1 Per Ea, 5 PER EA |
| Amps:800 |
| Consumable Type:Shield Cap |
| Application:Aluminum Cutting |
| Gas Type:H35, N2 |
| Process:Automated Plasma Cutting |
