Features: 1, the air conditioning compressor with international brands, industrial machine design, safe and reliable, high cooling (heating) efficiency, long life; 2, the two devices are manufactured using high quality aluminum foil hydrophilic membrane with heat Excellent performance, excellent drainage, durable easy oxidation characteristics; 3, wide voltage design, start-up and running reliably supply voltage stability under relatively poor conditions; 4, the use of composite type of protection and improvement of overheating pressures protection measures; 5, using the most advanced technology explosion, high-proof performance; 6, brass welding cooling systems are filled with nitrogen gas shielded welding stringent requirements, maintaining a clean cooling system, so that stable air conditioning units. For national defense, scientific research, oil, chemical, military, pharmaceutical, factory, warehouse and other flammable places. Strictly in accordance with National Warranty policy, in order to prevent knocking, explosion-proof air-conditioning company. Refrigerator, uniform application of wood reinforcement to prevent damage in transit, customers ease of purchase. Explosion-proof air conditioner models: BFKG5.0 (2 horsepower) function: Hanging / cabinet being of rated voltage: 220V 54HZ cooling / heating Rated current: 9.55A cooling / heating rated power 2.1kw cooling (heating) capacity: 6kw cycle air flow: 750m3 / h Waterproof grade: 1P * 4 Noise (indoor / outdoor): 43 / 56dB Weight (indoor / outdoor) 38 / 65kg Indoor Unit Dimensions (W profound mm): 850 * 290 * 225 outdoor unit size (width profound mm): 950 * 700 * 410 explosion-proof air conditioner models: BFKG7.5 (3 horsepower) Function: Cabinet-being rated voltage: 220 (380V) 50HZ cooling / heating current rating: 5.3 / 5.4 (12.4 / 19.2) A cooling / Heating rated power 2.68 / 4.2kw cooling (heating) capacity: 7.5 (9.3) kw Flow Rate: 1050m3 / h Waterproof grade: 1P * 4 Noise (indoor / outdoor): ≤40 / ≤60dB NW (indoor / outdoor) 80 / 100kg Indoor Unit Dimensions (W profound mm): 1695 (1925) * 500 (600) * 240 (390) outdoor unit size (width profound mm): 840 * 330 * 650/1240 * 360 * 940