KSB AG Single-acting Pneumatic Actuator DYNACTO

Design Single-acting hydraulic actuator for mounting on quarter-turn valves (butterfly valves or ball valves). Top flange to ISO 5211. Control pressure up to 120 bar. Can be mounted on various types of valve stem ends (square end, flat end or key). Force transmission via rack-and-pinion, scotch-yoke or patented Amri yoke kinematics provides output torques of up to 4000 Nm which are ideal for actuating quarter-turn valves. Reset to fail-safe position is effected by means of spring assemblies if control fluid supply is interrupted. DYNACTO is equipped with a visual position indicator and adjustable travel stops for open/closed position as standard. Manual override can be provided on request (up to DYNACTO 100). The following accessories are available for hydraulic control: - Shut-off valve - Hydraulic locking - Emergency shutdown (ESD) - Hydraulic hand pump DYNACTO can be combined with all AMTROBOX control units. Applications All applications in water, energy and industrial engineering. Overview of technical data Actuator effect Single- acting Type of control On / Off function Actuator movement Rotation Min. actuator control oil pressure 60 bar Actuator closing time 0 Max. torque 0 Min. ambient temperature, actuator 80 °C Ambient temperature, actuator 20- °C Actuator position feedback No Face-to-face length 0 Max. closing force [N] 0. 00