Every component is individually and thoroughly tested prior to fitting into each actuator assem... The 480 series CENTORK electric actuator is covering the need of small torque quarter-turn act...   With the design of a new Digital switching and signaling unit (DSU) that controls continuously ... Based on the reliable and well proven Centork electric actuators design, the Special multiturn ...   The PR-700 series quarter turn positioners are incorporated onto quarter turn actuators and con... The reliable Shut-OFF Valve directly operated either pneumatic or hydraulic for viscous, granul...