The TTV Stainless Steel Butterfly Valves are perfect for use in harsh or corrosive environments that aren't suitable to standard ranges. With their CF8M body and disc made from high quality stainless steel, these valves can withstand even the most demanding conditions, including those where you might need a little extra protection against corrosion. The Koei UNIC electric actuator offers excellent performance with an extremely wide range of applications. The unit helps save energy while eliminating costly downtime. All units come complete with general operations and maintenance manuals as standard and free after sales support.