DF-20/10 mine with explosion-proof solenoid valves, explosion-proof solenoid valve, over-temperature sprinklers, belt conveyor protection device 
 Use 
 The product can be used with the belt to protect the host supporting also be used alone, mainly for underground dust suppression, cooling, fire suppression of. 
 Performance characteristics 
 The use of AC power, small size, light weight, no power when you do not need watering, applicable pressure range. 
 Technical parameters 
 ● Explosion-proof working pressure AC127/36V ● the use of pressure: 2 ~ 8MPa ● Open: Normally closed ● Weight: 4Kg