Explosion-proof,safe and reliable in operation Small in size, ... cabins type).The construction is spark free.The structure of type I is a motor-direct driving one,The ... motorshaft.and the housing is fixed on the flange of the explosion-proof motor.The type is a separate structure,i. ... a driving device,a pairs of flexible coupling.and the driving device consists of bearings,bearingbox,shaft,brass rings, ...