Hy-Lok Weld Components: Your First Choice Fit

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​Designed for ultra-high purity environments and suitable for a wide range of applications, Hy-Lok Canda’s line of welding fittings are the preferred solution of choice for many industry leaders. Learn more about our products, as well as our commitment to quality and customer service below.

Hy-Lok Canada: Your Choice Manufacturer and Distributor

With over 40 years of experience creating and supplying high quality fluid system components to customers spanning multiple industries across the globe, Hy-Lok has built a reputation for exceptional products and service. To ensure optimal performance and safety compliance, we maintain a long list of domestic and international certifications, and factory test components prior to shipping.

Weld Fitting Components

Hy-Lok manufacturers a wide selection of instrument thread and weld fittings designed for instrumentation and process control. Designed to meet all relevant standards, fittings made from forgings are manufactured to comply with ASTM A-182 and ASME SA-182. Fittings made from bar stock are manufactured from materials to ASTEM A-479 and ASME SA-479. Pressure ratings for Hope weld fittings are in accordance with ANSI B31.3.

Craftsmanship You Can Trust

Our weld fittings are fine thread constructed to ensure leak-free, reliable systems and are crafted using the highest quality materials, including:


Our weld fittings are available in a variety of connections and configurations, and can be custom orders can be accommodated as needed.

A Leading Inventory To Choose From

At Hy-Lok, we know how important it is to have regular access to the parts that matter most. With one of the largest inventories in North America, we make sure to stock large supplies of standard components. In addition, Hy-Lok’s production team is capable of fulfilling custom orders quickly, minimizing downtime.

Learn more by contacting our team now.

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