Product Name: CBF-series explosion-proof wall exhaust fan (II B) the amount of giant explosion-proof electrical equipment factory, Scope: Zone 1 and Zone 2 dangerous places. , II A, II B class explosive atmosphere. Features: 1, explosion-proof exhaust fan motor, blades and other components. 2, appearance, mounting bracket with integrated, safe and reliable. 3, with a damping device, low noise operation. 4 steelpipe. The giant explosion-proof electrical equipment factory has a professional design team, innovative product design, reliable performance, the product has the function of explosion-proof, anti-corrosion, waterproof, dustproof, and small size, light weight, easy to install, specifications complete, widely used in the petroleum, chemical, light industry, medicine, military, and other enterprises. The giant Shanghai distinctive electrical switches export countries supporting the Middle East, freedom of assembly compound operation column installation function of change at home and abroad by the majority of users, according to user requirements.