Unilok is a Korean brand manufacturing valves and fittings for precision fluid control. Its lineup spans instrumentation valves such as ball, needle, and manifold valves, tube and pipe fittings, clean fittings and flanges, regulators, and filters, available in various materials including stainless steel. The products are used in high-pressure, high-temperature, and corrosive fluid piping systems, including semiconductor integrated gas systems (IGS) that require high sealing performance.