Reliable and cost-effective weld overlay nozzle repair with automated technology and precision

To address challenges such as wall thinning, pitting, cracking, and corrosion/erosion in vessel nozzles, our fully automated weld process and Nozzlefuse™ overlay provide an effective onsite solution. Nozzlefuse ensures consistent quality with the lowest dilution rates and the highest standards, handling nozzles from 2 to 24 inches in diameter.

Nozzlefuse 26: For nozzles 2 to 6 inches in diameter, using the Unifuse^® GTAW process for ID weld overlay up to 750 mm in length.

Nozzlefuse 624: For nozzles 6 to 24 inches in diameter, using hot wire Unifuse GTAW for ID weld overlay up to 750 mm in length.

Advanced Unifuse processes with hot wire TIG technology

Our patented Unifuse processes restore wall thickness and improve the metallurgy of nozzle surfaces, combating corrosion and erosion. By integrating hot wire TIG technology, we leverage efficient automatic welding equipment operated by skilled welders and technicians, ensuring consistent quality and timely, reliable repairs. These processes are ideal for pressure vessel nozzle repair and other critical nozzle services.

Unifuse technology delivers high-quality weld deposits, meeting stringent industry standards and avoiding the high costs of nozzle replacement. This method effectively prolongs the service life of nozzles, making it a highly economical solution for weld overlay nozzle repair.

Ensuring a smooth and efficient liquor recovery process

WSI Black Liquor Nozzles are specialized components designed for liquor recovery boilers in the Pulp and Paper industry. Integrated into OEM designs, these nozzles ensure the correct, laminar distribution of black liquor within the boiler, which is crucial for optimal performance and operational effectiveness.

Aligned with boiler manufacturers’ specifications, WSI Black Liquor Nozzles undergo a unique overlay process using our patented Unifuse 360 automated welding. This process creates a smooth, highly resistant surface, significantly extending its service life and ensuring peak performance and safety.

The largest provider of piping services and machine orbital pipe welding

WSI is the largest provider of machine orbital welding and piping services for refineries, nuclear, and fossil plants. Our revolutionary HotPulse^®-enabled orbital automated pipe welding equipment delivers superior mechanical properties and volumetric quality compared to conventional field welding processes, with deposition rates competitive with SMAW and FCAW. This advanced technology has been successfully implemented in several major piping replacement projects, consistently exceeding quality and schedule expectations while ensuring safety.

Benefits of choosing WSI for automated pipe welding services

WSI offers unmatched expertise and advanced technology for automated orbital pipe welding services, ensuring superior performance, safety, and reliability. Our proven track record and comprehensive services make us the trusted choice for planned and emergent projects.

• Expertise in Advanced Materials: Specializing in advanced materials that enhance performance and safety in demanding environments.

• Revolutionary HotPulse^® Technology: Ensures superior weld quality and high deposition rates, ideal for critical applications.
• Proven Track Record: Successfully implemented in numerous major projects, delivering high-quality results on time and within budget.
• Safety and Reliability: Processes designed to maintain the highest safety standards, ensuring reliable and long-lasting welds.
• Comprehensive Services: Expertise and technology to efficiently meet your needs, whether planned maintenance or an emergent repair situation.

For unparalleled machine orbital pipe welding and piping services, plant operators trust WSI to deliver exceptional results during both planned and emergent outages.

Leading the industry in pressure vessel services and life extension

WSI leads the industry in extending the life of pressure equipment with advanced engineering solutions that increase product yields and enhance plant operational reliability. Utilizing our Unifuse® technology, we specialize in pressure vessel services, including repairing and upgrading critical pressure vessels such as distillation units, reactors, coke drums, digesters, and high-pressure separators.

Addressing critical pressure vessel challenges with automated welding

The integrity of pressure vessels is crucial in process industries, where wall thinning, pitting, cracking, and corrosion/erosion pose significant challenges. WSI tackles these issues with our pressure vessel automated welding technology, providing quick, lasting repairs or upgrades.

Permanent pressure vessel repair solutions with Unifuse technology

Our patented Unifuse technology is recognized in process industries for effectively mitigating corrosion in vessel applications. This technology uses a fully fused weld metal deposit of corrosion-resistant alloys applied with proprietary automated welding systems. These systems ensure exceptional weld quality with minimal heat input, allowing the applied thickness to contribute to pressure boundary calculations. Unifuse is preferred among major refiners, delivering substantial ROI across thousands of applications.

Advanced welding machines for improved efficiency

WSI’s state-of-the-art NG4 weld machines feature proprietary design and closed-loop integral custom waveform technology, significantly improving arc time and efficiency while advancing project schedules. Our permanent repair solutions extend the operational lifespan of a wide range of pressure vessels, ensuring effective vessel corrosion mitigation.

Excellence in ASME-certified pressure vessels

WSI South America’s ASME-certified pressure vessels adhere to global quality standards for design and manufacturing. These vessels safely contain liquids, vapors, or gases under high pressures, making them suitable for diverse industrial applications.

Manufactured from carbon or stainless steel, our vessels offer customizable options to meet specific needs such as corrosion resistance, temperature tolerance, and pressure requirements. Our manufacturing processes comply with ASME construction codes and optimize your construction project by executing internal overlays with special alloys to extend vessel service life and enhance performance.

Choosing WSI for your pressure vessel services ensures reliable pressure vessel repair, superior pressure vessel welding, and effective pressure vessel corrosion mitigation.