Plasma Torches and Accessories

Whether you are looking to upgrade your current setup, replace a worn-out torch, or simply need high-quality consumables, you need reliable equipment that delivers precision and longevity.

At R&H, we understand that performance depends on compatibility and quality. That’s why we pride ourselves on stocking a truly comprehensive range of genuine and high-quality aftermarket plasma torches, leads, and consumables, covering all the major brands in the industry.

We stock essential components for industry leaders such as Hypertherm, ESAB, Thermal Dynamics, Trafimet and Panasonic, ensuring that no matter what machine you operate, you can find exactly what you need.

Find everything you need to keep your machine running at peak efficiency, ensuring clean cuts and maximum productivity.

Let us help you select the perfect torch and accessories for your specific application

Plasma Torch Wear Parts (often called consumables) are a set of replaceable components located inside the torch head that are directly involved in creating, focusing, and protecting the high-temperature plasma arc.

These parts are intentionally designed to wear out over time due to the extreme conditions they operate in—temperatures exceeding 20 000 degrees, high-velocity gas flow, and constant exposure to electrical current and molten metal splatter.

The main wear parts that make up the “consumable stack” typically include:

• Electrode: The core component that receives the electrical current and initiates the plasma arc. It contains a critical hafnium or tungsten insert that erodes with every cut, requiring regular replacement.
• Nozzle (Tip): Focuses the plasma arc and the gas stream through a small, precise orifice to create the concentrated cutting jet. As it wears, the hole widens and becomes irregular.
• Swirl Ring: A small ceramic piece that forces the cutting gas to rotate around the electrode, which helps stabilize and compress the plasma arc, and is vital for cooling the nozzle.
• Shield Cap/Shield: The outermost protective layer that shields the nozzle and other components from molten metal spatter and sparks, especially during piercing.
• Retaining Cap: Holds the entire stack of consumables securely in place and ensures proper electrical and gas alignment.

A plasma torch is the primary tool used in plasma cutting—a process that rapidly and accurately cuts through electrically conductive materials like steel, stainless steel, aluminum, and copper.¹

How it works:

1. Creation of Plasma: The torch takes a compressed gas (like air, nitrogen, or oxygen) and forces it through a small nozzle orifice.
2. Electric Arc: An electrical arc, generated by the power supply, is introduced to this high-pressure gas stream. This immense energy ionizes the gas, heating it to extremely high temperatures—often exceeding 20 000 degrees Celcius
3. The Plasma Jet: This superheated, electrically conductive, ionized gas is the plasma (the fourth state of matter). It exits the torch as a high-velocity, focused jet.

Cutting: The intense heat of the plasma jet instantly melts the metal workpiece, and the force of the compressed gas blows the molten material away, resulting in a clean, fast cut. The torch itself contains consumable parts (like the electrode and nozzle) that help shape and maintain this powerful arc