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Inner Wall Surfacing | Non-standard TIG Welding System
Inner Wall Surfacing | Non-standard TIG Welding System
Inner Wall Surfacing | Non-standard TIG Welding System
Juchuang offers advanced Hot Wire TIG surfacing systems for valve and chemical manufacturing. Specializing in cobalt-based, nickel-based, and iron-based alloy cladding for seal surfaces and flanges. Enhance durability and reduce costs with our 40-year proven technology.
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Industry Overview

With over 40 years of successful application in the valve manufacturing sector, Hot Wire TIG Surfacing technology has become the gold standard for high-end industrial valves. It is primarily utilized for hardfacing sealing surfaces with cobalt-based, nickel-based, and iron-based alloys, as well as cladding channels and flanges with anti-corrosion materials such as 304L, 316L, and 2507 Duplex Steel.

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Why Hot Wire TIG Surfacing?

Compared to traditional manual welding, our Hot Wire TIG system offers unmatched advantages for high-pressure, high-temperature, and corrosive environments:

  • High Efficiency & Material Saving: Optimized deposition rates with minimal material waste.

  • Superior Weld Quality: Stable arc control ensures flawless, high-density surfacing layers.

  • Enhanced Durability: Replacing manual 2Cr13 welding with our iron-based alloy powder surfacing increases anti-galling performance by several folds, significantly extending valve service life.

  • Cost Reduction: Lowers comprehensive manufacturing costs while improving the overall quality of seal surfaces.

Technical Features

  • Precision Control: Advanced CNC/PLC integration for precise torch positioning and path tracking.

  • Hot Wire Technology: Pre-heated filler wire allows for higher deposition rates and lower heat input, reducing base metal dilution.

  • Wide Material Compatibility:

    • Hardfacing: Cobalt-based (Stellite), Nickel-based, and specialized Iron-based alloys.

    • Anti-corrosion Cladding: Stainless Steel (304L, 316L), Duplex Steel (2507), and Inconel.

  • Reduced Labor Intensity: Fully automated process minimizes human error and physical strain on operators.

Core Applications

Our surfacing systems are widely used in the manufacturing of various high-performance valves:

  • Valve Types: Gate Valves, Globe Valves, Check Valves, Plug Valves, Cast Steel Valves, Ball Valves, and Triple Eccentric Butterfly Valves.

  • Key Components: Internal seal surfaces, valve seats, flange faces, and flow channels.

  • Sectors: Oil & Gas, Petrochemical, Power Generation, and Heavy Chemical Industries.

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