The series JMB air door winch for opening and closing the air doors
The model JMB air door winch is used for opening and closing the air doors and throttle valve in coal mine when changing the direction of air current of the blower.
The winch has simple structure,is easy to maintain.It can be droved by motor or operated by hand.The motor and electric control has two kinds i.e. explosion-proof type and non-explosion-proof type,can be supplied according to the needs
