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The ESAB Thermal Dynamics 21-1314 Shield Cap is a mechanized plasma cutting consumable designed for automated CNC plasma systems. It is engineered to withstand high-current thermodynamic forces during mild steel cutting at a constant current profile of 300 Amperes. It serves as a front-end component in automated plasma systems, acting as a physical barrier to protect internal consumables from thermal radiation, reflective convective heat, and molten metal blowback, while shaping the shield gas flow.
Features
Aerodynamic Shield Gas Shaping: Interior geometry is profile-mapped to compress and guide the secondary shield gas (O2 or Air) to create a synchronized gas envelope around the primary plasma arc.
Energy Density Focus: Tightens the gas shroud to prevent plasma arc expansion, maximizing energy density for narrow kerfs and minimal angular deviation on thick metal plates.
Front-End Component Protection: Acts as a physical barrier protecting the internal nozzle and electrode from thermal radiation, reflective convective heat, and molten metal blowback during high-amp piercing.
Dross Mitigation: Targeted airflow clears away molten iron oxide during the cut, minimizing bottom dross formation and delivering clean edges.
Spatter Prevention: External coating prevents molten steel dross and spatter from bonding to the shield cap face during piercing cycles.
Specifications
Manufacturer: ESAB / Thermal Dynamics
Part Number / MPN: 21-1314
Global Trade Item Number (GTIN): 00699488015462
Full Product Nomenclature: CAP SHLD 300A MS HP 21 (Shield Cap, 300 Amp, Mild Steel, High Performance / High Precision)
Standard Packaging Configuration: 5 pieces per package
