Although generally requiring a higher purchase cost to that of pneumatic actuation, the combination of TTV & Koei Unic Actuated Butterfly Valve assemblies can provide significant total life cost savings for new installations. The Koei UNIC Electric Actuator is manufactured in Japan and comes as standard with a reliable manual override and stove enamel finish offering protection for external use with temperatures of -25 to 55 Deg C. Typically over specced to that of a standard on-off electric actuator valve this robust, reliable unit provides unrivalled levels of performance in its class with long life precision control.