DFB4 / 6 mine with explosion-proof solenoid valves, mining explosion-proof solenoid valves, overtemperature sprinkler device 
 * The use of 
 DFB4 / 6 mine explosion-proof solenoid valve (hereinafter referred to as the solenoid valve) is mainly applied as dust, dust for use in hazardous environments containing dust and explosive gases in the coal mine; can also be used for power generation, chemical industry, metallurgy, light industry, etc. the industrial sector, as the automatic control of liquid, gas pipeline, which is the basis of pipeline automation components. 
 * Model implication 
 The DF 4/6 
 6 ------ maximum pressure (MPa) 
 4 ------ Valve Diameter (mm) 
 DF ------ solenoid valve 
 * Explosion-proof type 
 Mining intrinsically safe, explosion-proof mark: "ExibI. 
 * Technical parameters: 
 1 explosion-proof in the form: mining flameproof, explosion-proof mark: "E, the xd I"; 
 2, working voltage: AC127V, AC36V; 
 3, the maximum working pressure: 7.5MPa; nominal pass through: 20mm; 
 Open: Normally closed, that is open when power off when not energized;