The Koei UNIC Electric Actuator is a long-life, high performance product that can be used with confidence in all operating conditions. Built to the highest quality standards and manufactured by an internationally recognised manufacturer from Japan. When choosing a valve for your system, it is important to take into account not only the quality of performance but also its longevity. The TTV & Koei Unic Actuated Butterfly Valve assemblies can provide significant total life cost savings. The Koei UNIC Electric Actuator comes standard with an easy manual override and stove enamel finish for protection against corrosion in harsh environments.