TIGWP-18 TIG Torch

WP-18 Water-Cooled TIG Torch: Excellence for Heavy-Duty Welding

Detailed introduction to the WP-18 water-cooled TIG torch, designed for high-intensity, prolonged welding tasks.

03/16/2026TIG CATALOG
WP-18 Water-Cooled TIG Torch: Excellence for Heavy-Duty Welding
Key Specifications

DC Rating

350A DC

AC Rating

250A AC

Duty Cycle

100%

Electrode Size

0.5-4.0mm

Series

WP

Included Accessories8
Long Back Cap57Y02Back Cap

Long

Medium Back Cap57Y03Back Cap

Medium

Short Back Cap57Y04Back Cap

Short

HandleH-200SDCHandle

Ergonomic

Cable Fitting Torch13N37Fitting

Front fitting

Water Hose 12.5FT Braided40V74RHose

3.8m braided

Nipple53N10A-AFitting

Water nipple

Power Cable Adaptor45V11Adaptor

Power cable

The WP-18 water-cooled TIG torch is a high-performance tool specifically engineered to meet the demands of rigorous industrial environments and high-intensity welding tasks. With its exceptional capacity and stable performance, this torch offers unparalleled advantages in heavy manufacturing, pipeline installation, and any application requiring prolonged, continuous operation. It's more than just a tool; it's a reliable partner for professional welders aiming for precision and efficiency.

Technically, the WP-18 demonstrates its prowess as a heavy-duty torch. It boasts a DC rating of up to 350A and an AC rating of 250A, coupled with an impressive 100% duty cycle. This means welders can perform high-current welding for extended periods without concerns about overheating or downtime, significantly boosting productivity. The supported electrode diameter range, from 0.5mm to 4.0mm, covers a wide spectrum of applications, from delicate thin sheets to robust structural components, offering immense flexibility and adaptability.

A key feature distinguishing the WP-18 is its water-cooled design, which is critical for achieving its high duty cycle. The water cooling system efficiently dissipates heat generated during welding, ensuring the torch body and cables maintain stable temperatures during prolonged high-current operation. This extends equipment lifespan and enhances operator comfort. This is particularly vital for continuous high-amperage welding of materials like stainless steel and aluminum, or in automated welding production lines.

The comprehensive set of included accessories further enhances user experience and practicality. Three different length back caps (Long: 57Y02, Medium: 57Y03, Short: 57Y04) allow welders to choose based on workpiece accessibility or personal preference, ensuring comfortable operation in various confined or open spaces. The ergonomic handle (H-200SDC) is designed to reduce fatigue during extended use, providing a superior grip. A front-fitting cable fitting (13N37) ensures a secure and efficient power connection. Additionally, the 3.8m braided water hose (40V74R), water nipple (53N10A-A), and power cable adapter (45V11) enable easy integration into existing water-cooled welding systems, making it ready to use right out of the box.

Compared to similar products, the WP-18 stands out with its superior duty cycle and current handling capacity, especially in industrial applications requiring prolonged high-current work. Its robust construction and efficient water-cooling system ensure reliability under extreme conditions. For welders and businesses seeking a professional torch capable of enduring demanding workloads, delivering consistent welding performance, and offering exceptional durability, the WP-18 is undoubtedly a trustworthy choice.

To maximize the WP-18 torch's performance and lifespan, it's recommended to regularly inspect the water cooling system, ensuring clean and unobstructed coolant circulation. Selecting the appropriate electrode size and type is crucial for achieving optimal weld quality. Simultaneously, adjust gas flow according to welding current and material to prevent excessive wear on nozzles and electrodes. Proper maintenance and operating habits will ensure this torch continues to deliver maximum value in your production line.