HOM series part turn electric actuator with planetary gear for mechanical transmission.The output torque is 25~ 8000NM,clutch free for manual operating. Manually and electrically operated separately.It’s easy to operate without handle or clutch,when power is on ,you can turn the handwheel.The electric actuator can assemble with butterfly valve,ball valve,plug valve,widely used in power plant/metallurgical plant/sewage treatment plant/building automation/urban pipe network and other pipeline systems.