Hy-Lok USA, Inc. is the American master distributor of the Hy-Lok Corporation, an international manufacturer instrumentation valves and fittings.With over 30 years of experience designing, engineering, and manufacturing instrumentation valves and fittings, Hy-Lok continues to set the world standard for quality and performance. Hy-Lok manufactures Instrumentation Tube, Flare & Pipe Fittings in sizes 1/16 inch through 2 inch, Ball Valves, Double Block and Bleed, Needle & Check Valves.
