Double sealed structure
Torque protection
Valve location limit, power phase lose, electronic gate latching and motor over temperature protection
Input and output channels with photo electricity insulation
Detect valve position by hoare switches
Automatic phase order adjustment
Display valve position real time by LCD
Self diagnosis function
Manipulation by hand-wheel
Explosion proof structure with Exd II CT4
IP68 protection degree
Low inertia and high torque motor with F degree
Worm and turbine operates in an oil bath
Standard drive interface
Non-thrust bearing configuration
Accept voltage, current and pulse signals