Two-piece body made of self-extinguishing plastic, the lower part is black and upper part is red. Straightforward direct mounting on the control ball valve with a screw. The screw is supplied with an actuator. The mounting position in relation to the ball valve can be selected in 90° steps. The rotation angle is limited with 90° at both ends with adjustable mechanical end stops. The actuator switches off automatically when the end stops are reached. Normally open. Servomotor 230 V, 2 Point., 10 Nm, 140 sec.