What is Gear operator？
Gear Operator is a tool for help open and close the valve, Gear operator which is also called valve Gearbox, Gear actuator, Worm Gearbox, Bevel Gearbox .
According to the worm is different,so it called worm gearbox or Bevel Gearbox .
And the turns of worm is different, so it called part-turn gearbox (1/4 turns worm gearbox), multi turn gearbox .
part -turn worm gearbox mostly used on butterfly valve,ball valve, plug valve.
multi-turn gearbox mostly used on gate valve, globe valve.