Welding torch

AW-18 Water-Cooled Genuine OTC DAIHEN Welding Gun Torch

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OTC DAIHEN AW-18 Water-Cooled Argon Arc Welding Torch (TIG) – Original 4m / 8m Lengths

Welcome to our product page for the OTC DAIHEN AW-18 water-cooled argon arc welding torch (TIG torch). This genuine original torch is available in two cable lengths: AW-18 (4m) and AW-18 (8m), allowing you to choose the right length for your workspace. Designed with a simple yet robust structure, soft and flexible cables, and excellent durability, the AW-18 delivers stable welding performance with low electrode consumption. It is commonly used with OTC welding machines such as MR315T, AEP300, VRTP400, ADP400, and can also be adapted to other welders with compatible interfaces. As an authorized OTC DAIHEN distributor in China, we guarantee that every torch we sell is 100% authentic and directly sourced from the manufacturer.

OTC DAIHEN AW-18 water-cooled TIG torch 4m 8m front view

OTC DAIHEN AW-18 torch side view with cable

OTC DAIHEN AW-18 torch handle and connection

OTC DAIHEN AW-18 torch head close-up

Product Features

Genuine OTC DAIHEN Part: Manufactured to original specifications for perfect fit and long service life.
Water-Cooled Design: Enables high-current operation with reduced torch weight and extended duty cycle.
Two Length Options: Choose 4‑meter or 8‑meter cable to suit your workspace.
Simple & Robust Construction: Easy to use – just connect to the machine and weld. No complicated setup required.
Soft, Flexible Cable: Enhances maneuverability and reduces operator fatigue during long welding sessions.
Exceptional Durability: Built to withstand demanding industrial environments with minimal maintenance.
Low Electrode Consumption: Stable arc performance extends electrode life and reduces replacement costs.
Wide Compatibility: Commonly used with OTC MR315T, AEP300, VRTP400, ADP400t, and other welders with matching interfaces.
Authorized Source: Purchased from OTC DAIHEN's official distributor in China – comes with full authenticity guarantee.

Technical Specifications

Model	AW-18
Cooling Method	Water-cooled
Rated Current (DC)	300 A
Rated Current (AC)	260 A
Duty Cycle	100%
Electrode Diameter (mm) *	(0.5), (1.0), (1.6), (2.0), 2.4, (3.0), 3.2, (4.0)
Cable Length	4 m or 8 m

* Electrode diameters in parentheses are optional; non‑parenthesized values are standard.

Why Choose Our OTC DAIHEN Spare Parts?

We specialize in OTC welding equipment and spare parts, stocking a wide range of TIG torches, MIG torches, wire feeders, transformers, circuit boards, and more. With years of experience and a commitment to quality, we provide only genuine parts to keep your welding machines running at peak performance. Every component is tested and verified before shipping.

Contact Information for Purchase & Inquiries

If you need to purchase the OTC DAIHEN AW-18 water-cooled TIG torch or have any questions about compatibility, please reach out to us via the following channels:

Tel / WhatsApp / WeChat: +86-180-9663-1656 (same number for all three)
Email: ahojotc@gmail.com

We welcome you to add our WhatsApp or WeChat for prompt support, technical discussions, and to share your OTC welding machine experiences. Our team is ready to assist you with any spare parts needs.

Note: All images shown are of the actual product. The torch may vary slightly in appearance depending on production batch, but quality and compatibility remain consistent.