This document provides specifications for a 200mm, cast iron butterfly valve fitted with an electrical actuator. The valve has a wafer connection, PN16 construction, and is used for water applications. The Sdtork electrical actuator is reversible and splash proof, with controls for local position indication, manual override, travel and torque limit switches, and an IP67 enclosure. The actuator provides quarter turn motion in 12 seconds and is powered by a 415V, 3-phase motor. Optional accessories include feedback and limit switches, a two-wire transmitter, and remote position indication.