This standard specifies the basic technical requirements, test methods and inspection rules for fusible alloy automatic sprinkler systems (hereinafter referred to as systems) for coal mine belt conveyors. This standard is applicable to automatic fire extinguishing systems that use fusible alloy fixed-temperature fire detectors to monitor underground belt conveyor fires in coal mines. When a fire occurs, automatic fire extinguishing systems that automatically spray water to extinguish fires without electricity and are completely powered by hydraulics are also applicable to coal mine belts. The control valves and nozzles related to sprinkler fire extinguishing in the electrical automatic sprinkler fire extinguishing system of the conveyor.
MT/T 627-1996 history
1996MT/T 627-1996 General technical requirements for fusible alloy sprinkler system for coal mine belt conveyor