Explosion Proof Positive Pressure Chamber  for driller cabin,MCC,analysis room. 

It is consisted of main housing,explosion-proof electrical control box, positive pressure gas system, explosion-proof centrifugal fan unit, filter system and other parts. Because it can keep the pressure of the protective gas inside the house higher than that of the explosive gas surrounding the outside of the house, it can effectively prevent the external explosive gas mixture from entering the interior of the positive pressure housing.