Furnace sealed motormainly providemotive power for vacuum degree is less than ***4 vacuumfurnace,annealing furnace, quenching furnace, carburizing furnace,pitfurnace and all kinds of box type protective gas heating furnace fan. This series of motor in electromagnetic parameters more scientific,seal design more reasonable,the motor adopts double water cooling device,high temperature resistant performance is better.Suitable for vacuum and non corrosive medium strong convective heat treatment furnace fan with motor.