BGP-400 coal mines with high-expansion foam fire extinguishing installations 
 The BGP-400 coal mines with high-expansion foam fire extinguishing installations, the BGP-200 coal mines with high-expansion foam fire extinguishing device BGP-200 foam fire extinguishing installations BGP-400 high-expansion foam fire extinguishing installations ore with high-expansion foam fire extinguishing installations foam fire extinguishing installations high-extinguishing installations foam fire extinguishing device BGP high-expansion foam fire extinguishing device technical characteristics: 
 1, fire fast, powerful; 
 2, the device is mobile and flexible, and easy to operate; 
 3, can be safely away from the fire to the rescue off the bubble in the roadway in advance distance of 300 meters; 
 4, low-cost, non-corrosive, fire-fighting after return to work easier. 
 Foam fire extinguishing installation Model BGP-400 
 Foam volume (m3/min) 360-440 
 Spray volume (L / min) 14 
 Bubble in multiples of 360-450 
 Bubble concentration (%) 700-900 
 Motor power (kw) 3-5 
 The Grouting flow (L / min) <350 
 Maximum wind pressure (Pa) 1274-1568 
 Dimensions (mm) 1620 × 820 × 980 
 Weight (kg) 260 
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