Aerospace & Defense

Hy-Lok offers fluid system components for aerospace and defense applications. Whether critical life support systems for the US Navy or fluid transfer applications on today’s most sophisticated military defense systems, Hy-Lok products are the preferred choice for leak-tight integrity and reliable performance. Hy-Lok tube fittings, pipe fittings, ball valves, needle valves, inline filters, check and relief valves, plug valves and hoses are included on many of the aerospace and defense applications that are used to enhance our security.