For over 50 years Tylok International, Inc. has been a manufacturer of high quality instrumentation tube fittings & valves. Located in Euclid, OH, all of our fittings are proudly made in the USA. Tylok offers both double ferrule and single ferrule compression fittings that are interchangeable with industry standard designs.
PVI, Columbus, Ohio
Our roots in Industrial Pipe, Valves, and Fittings date back to 1963.