Hy-Lok double ferrule compression tube fittings provide leak-free performance for the most demanding applications. Our tube fittings are commonly used throughout the oil and gas, pulp & paper, petro-chemical/chemical processing, research laboratories, aerospace and defense, chemical processing, power generation, cryogenic and semiconductor, shipbuilding and heavy industrial industries.
Hy-Lok tube fittings are available in a variety of configurations and sizes that fulfill the need for leak-free gas and fluid containment.
Hy-Lok's flareless tube fittings feature a two-ferrel design that compensates for tolerances in tube O.D. and range in tube size from 1/16" to 2" (2mm to 38mm). Download our Tube Fittings Catalog PDF
37° Flare JIC Hy-Lok's rugged and compactly designed needle valves offer a wide range of sizes, configurations, end connections, pressure and temperature ratings.
Made up of three basic components: female nut, gland, and body. The body contains a viton O-ring which is standard. Other o-ring materials are available on request.
Metal gasket seal meets or exceeds specifications of the semiconductor industry, for tube connections to 1” O.D. Hy-Lok ZCR fittings have been tested to hold and exceed a leak rate of 10-9 torr.