Product description:

Featured by high efficiency, low noise, wide use and steady pressure curve, 4-72 type is an ideal equipment for gas recycling,indoor ventilation&coolingin mining enterprises, coliseum opera house, basement, large and small hotels, restaurants, shopping malls and major building. The transporting medium is air or other non- spontaneous-combustion and non- explosive -combustion air with no harm to human. With an anti-explode motor, B4-72 can use for ventilation of volatile flammable gases. The air transferred shall not contain any adhesive material, dust and grain and the concentration shall not exceed 150mg/m', with the temperature no higher than 80℃

The drawing for your reference for the motor drive centrifugal fan: