The 21005-ER20.12 is an electrically actuated true union ball valve by CHEMLINE PLASTIC LIMITED. This full feature version valve is designed for TYPE 21, with a valve size of 1/2". With a cycle time of 12 seconds for 90 degrees rotation, it ensures precise control and efficient operation. Ideal for industrial applications, this valve provides reliable flow control with a voltage rating of 120-240 VAC.