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7-4220 - Thermal Dynamics PCH-42ER Plasma Torch with 20ft Leads

Packaging: pack of 1
$2,429.39/EA $1,725.70/pack of 1 only $1,725.70/EASave 29%

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OVERVIEW

Technical Overview of the PCH-42ER Plasma Torch

The Thermal Dynamics PCH-42ER (SKU: 7-4220) is a complete replacement plasma torch assembly engineered specifically for the Drag-Gun Plus plasma cutting system. This unit is rated for a maximum output of 40 Amperes, aligning perfectly with the power source characteristics of the Drag-Gun series. The torch features a 70-degree head angle, which is the industry standard for general-purpose handheld cutting, providing an optimal balance between torch maneuverability and arc visibility.

Central to the PCH-42ER's design is the SureLok™ technology. This mechanism serves a dual purpose: it ensures the precise alignment of the electrode and nozzle for consistent arc quality, and it acts as a safety interlock to prevent the torch from firing if consumables are not correctly installed. The torch is gas-cooled (air-cooled), utilizing the single gas supply for both plasma generation and thermal management of the torch head components. This simplifies the internal lead construction and reduces maintenance requirements compared to liquid-cooled systems.

The assembly includes 20-foot (6.1-meter) leads, providing a substantial working radius from the power supply. The leads are integrated into the torch handle for a secure connection and are sheathed in durable protective material to withstand the abrasion and heat common in industrial environments. The handle itself is designed with ergonomics in mind, featuring a contoured grip that accommodates gloved hands and positions the trigger for natural actuation. This replacement package is a direct OEM solution, ensuring 100% compatibility with the Drag-Gun Plus without the need for adapters or modifications.

Additional Information
Brand:Thermal Dynamics
Weld Process:Plasma Arc Welding (PAW)
Amperage:40
Length:20 ft
Cooling Method:Gas Cooled
Torch Type:Handheld Plasma Torch
Head Angle:70 Degrees
Cable Length:20 ft (6.1 m)
Amperage Rating:40 A
Compatible Models:Thermal Dynamics Drag-Gun Plus
Technology:SureLok
Gas Type:Single Gas (Air)
Packaging Description:pack of 1

INCLUDED

  • PCH-42ER Plasma Torch Head (70°)
  • 20 ft (6.1m) Integrated Leads
  • Ergonomic Handle Assembly
  • SureLok™ Safety Mechanism

APPLICATIONS

  • Automotive Body Repair and Restoration
  • HVAC Duct Fabrication and Installation
  • Light Industrial Fabrication
  • Maintenance and Repair Operations (MRO)
  • Hobbyist Metalworking and DIY Projects

FAQ

The PCH-42ER (7-4220) is specifically designed as a direct replacement for the Thermal Dynamics Drag-Gun Plus plasma cutter.

This torch is rated for 40 Amps, matching the output of the Drag-Gun Plus system.

The assembly comes with 20-foot (6.1-meter) leads.

Yes, the PCH-42ER features the SureLok™ electrode locking mechanism for safety and precise alignment.

The torch features a 70-degree head angle, which is standard for ergonomic handheld cutting.

The PCH-42ER is a gas-cooled (air-cooled) torch.

While it is a complete torch assembly, it typically comes with a starter set of consumables installed, but it is recommended to purchase spare tips and electrodes (like the 9-6542 and 9-6501) separately.

It is explicitly listed for the Drag-Gun Plus. Compatibility with other units depends on the specific connector and amperage requirements, so check your manual or consult a technician.

CATALOGUE & SPEC SHEETS

Spec Sheet