Butterfly valve in a combination with an electric control quarter-turn actuator. The actuator is equipped with 4 limit switches, where 2 are potential free and 2 are used for protection of the motor. Selectable mode in case of signal failure. Input signal 4-20 mA or 0-10 VDC, output signal 4-20 mA. Voltage 230VAC. It has an optical position indicator, and manual operation is possible. the valve has a lug type connection and can be used as an end of the line valve. EPDM lining with WRAS certificate for drinking water. It has an ISO 5211 flange for direct mounting of actuators. It has a stem bushing of PTFE between the body and shaft to ensure that the valve is easily operated over time. Face to face according to DIN EN 558-1 series 20 (K1)