Welcome to Alps Welding
Your Canadian Manufacturer of Custom Pressure Vessels & Heat Exchangers
For over 50 years, Alps Welding has been the fabricator of choice for EPCs, equipment designers, and end users across North America and beyond for their heat exchanger and pressure vessel equipment. Let us quote your next project!
About us
We are a globally competitive metal fabricator, specializing in custom industrial process equipment for a wide variety of industries.
With decades of experience, our team can deliver complete solutions from engineering support through fabrication and delivery. We bring technical expertise, industry compliance, and the capability to handle large, complex projects. While our core expertise lies in pressure vessels and heat exchangers, we also have extensive experience manufacturing a wide range of custom process equipment.
Our products are manufactured in Woodbridge, Ontario, and can be found worldwide.
Our Products
Heat Exchangers and Pressure Vessels
We design custom pressure vessels and heat exchangers that meet industry standards for demanding industrial environments.
Filtration and Purification Equipment
High-quality filter vessels for various industries, including precision-critical use cases.
Skid Packages and Modular Equipment Systems
Install-ready skid packages and modular systems assembled in-facility, including all fixtures (e.g., electrical and controls, piping, structural).
Other Custom Vessels and Process Equipment
We can fabricate project-specific products, including tube packages, flare stacks, storage tanks, vessel attachments, and more.
Recent Posts
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Replacing Industrial Pressure Vessels: What to Confirm Before Fabrication
A replacement pressure vessel has to work within an existing plant. Pipe connections, support locations, access restrictions and shutdown schedules can all shape the project before the first plate is cut. Before pressure vessel fabrication begins, confirm that the replacement reflects current service conditions and any changes made since the original equipment was installed. Reviewing…
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Custom-Built Pressure Vessels for Water Treatment with Internal Corrosion Protection
These carbon steel vessels combine custom vessel fabrication and internal distributor installation for a water treatment application at a chemical manufacturing plant. As a water treatment vessel manufacturer, Alps Welding fabricated the vessel bodies and installed the internal distributors for this project. Each vessel measures 9 ft in diameter × 18 ft in overall length…
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Pressure Vessel Certifications Explained: ASME, ISO:9001, and National Board
Pressure vessel certifications help industrial buyers evaluate code construction, a manufacturer’s quality management system and the records supplied with equipment. The ASME U stamp, ISO 9001 and National Board registration each address a different part of that review. ASME certification relates to construction under the applicable pressure vessel code. ISO 9001 certification addresses the manufacturer’s…
Need fabrication support for your next project? Let’s connect!
Connect with our team to request a quote, schedule a shop tour, or discuss your project requirements. We’ll work with you to deliver a tailored fabrication solution that meets your scope and timeline.