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The Hypertherm 220355 is a precision-engineered inner nozzle retaining cap designed for automated high-definition plasma cutting systems. It functions within the torch head assembly to rigidly secure the inner plasma nozzle and swirl ring in axial alignment. The component serves as an internal fluid-dynamic distribution manifold, managing high-pressure coolant circulation and plasma gas dynamics for 200-ampere mechanized plasma arc systems.
Features
Dual-Fluid Dual-Zone Fluid Management: Acts as a manifold for simultaneous coolant circulation and gas vortex channeling
Coolant Circulation: Directs high-flow liquid coolant along the exterior perimeter of the 200A nozzle shell
Gas Vortex Channeling: Routes primary plasma gas through the swirl ring to establish high-velocity vortex for arc centering
HyDefinition & True Hole Integration: Supports ISO 9013 Range 3/4 compliance and minimizes arc deflection
LongLife System Stabilization: Ensures concentricity between electrode, swirl ring, and nozzle to mitigate uneven erosion
Dielectric Insulation: Internal composite structures prevent high-frequency pilot arc short-circuiting
Thermal Resiliency: Copper body facilitates rapid heat dissipation into closed-loop torch cooling systems
Surface Treatment: Machined surfaces with anti-reflective and anti-spatter properties
Specifications
Manufacturer: Hypertherm, Inc.
Part Number (MPN): 220355
Operating Amperage: 200 Amps
System Compatibility: HyPerformance Plasma HPR130, HPR130XD, HPR260, HPR260XD
Process Type: Mechanized High-Definition Plasma Arc Cutting (PAC)
Target Material: Mild Steel
UNSPSC Commodity Code: 23271700
Material Composition: Copper alloy base with high-temperature thermoset or ceramic insulating composites
Component Weight: 0.20 lbs (0.09 kg)
Internal Geometry: High-tolerance internal threading for torque seating
Sealing Interface: Machined grooves for Viton o-rings
Compliance Standards: EN 60974-10 (EMC), CSA, CE, CCC
Identification: Mechanical etching of manufacturer logo, MPN 220355, and 200A designation
Assembly Sequence: Torch Main Body > Water Tube > 200A Electrode > 200A Swirl Ring (220353) > 200A Nozzle > 220355 Retaining Cap > Outer Shield Cap (220637) > 200A Shield
