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AS118

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Product Introduction

The AS118 welding head is designed for the alignment and welding of tubular components ranging from 38.1 mm to 114.3 mm in diameter, and is widely utilized in industries such as clean piping, laboratories, pharmaceuticals, and water treatment. The AS118 welding head is robust, durable, and solidly constructed; it features a circulating water cooling system to ensure stable operation during prolonged use. It employs a dual-end clamping mechanism and is equipped with a glass viewing window, allowing for excellent observation of the weld formation process.

Product Advantage

1. The AS118 orbital welding head delivers industry-leading stability and weld quality.


2. customized orbital welding machine primarily designed for welding materials such as stainless steel, carbon steel, and titanium alloys; it supports a maximum wall thickness of 3 mm and has a net weight of 6 kg.


3. Within its welding range, custom fixtures—including those for irregular shapes—can be designed to facilitate the precision welding of intricate components.


4. compact orbital welding machine features smooth, jam-free gear drive system, it is capable of welding a wide variety of joints, including straight pipes, tees, and elbows.


5. It is well-suited for long-distance field installations and features a memory capacity capable of storing up to 70 welding programs.

Technical Parameters

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Product Uses

1. Large-scale Water Treatment Industry: The sealed, welded head is pressure-resistant, passes non-destructive testing, prevents gas leakage, and delivers superior welding results.


2. Medical Equipment (Sanitary & Sterile) Industry: The sealed, automated welder produces smooth seams free of dead angles, preventing bacterial accumulation and withstanding repeated high-temperature sterilization cycles.


3. Food and Beverage Industry: The automated welder ensures a high level of cleanliness—meeting food hygiene standards—and produces welds free of slag and oxide layers, thereby preventing secondary contamination of the process medium.

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Product Operate Guide

● Retrieve the main power unit and the welding head.

● Connect the welding head's cable plug to the main power unit.

● Turn on the power switch.

● Select the appropriate clamp based on the pipe diameter and wall thickness.

● Mount the clamp onto the welding head.

● Remove the tungsten electrode, sharpen its tip, then install it into the welding head and adjust its position.

● Secure the pipe component onto the welding machine.

● Purge one end of the pipe component with pure argon gas while sealing the other end with aluminum foil to prevent air ingress.

● Set the welding parameters based on the pipe diameter and wall thickness (parameters can be generated automatically with a single key press).

● Press the "Start" button.

● Once a full welding pass is complete, open the welding head; the welding process is now finished.

Product Video

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5th Floor, Building 3, Huaqing Innovation Park, No. 1 Qingyan Road, Huishan District, Wuxi City, Jiangsu Province

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Wuxi BoHan producing all-position  automatic welding machines for tubes, tube sheets, open-type and pipe flanges, primarily serving the semiconductor, pharmaceutical, pipeline engineering, chemical, and pressure vessel industries.

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WhatsApp: +8618788722954
Tel: +86-18788722954
E-mail: aurarawu@bohanwelding.com
Add: 5th Floor, Building 3, Huaqing Innovation Park, No. 1 Qingyan Road, Huishan District, Wuxi City, Jiangsu Province

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