Maintenance cycle of dry powder fire extinguishing system cycle Inspection contents Appearance of nozzle, driving gas storage bottle, fire extinguishing agent storage device, dry powder conveying pipeline, selection valve and valve driving device Daily Working state of fire extinguishing inspectio controller n Emergency start/stop button, release indicator appearance Operating handle of selection valve is installed on one side of operation surface and easy to operate, with height not exceeding 1.7m. Appearance of dry powder storage device day Operation of Fire Extinguishing Controller Start and Drive Gas Bottle Pressure Dry Powder Storage Device Components month Driving Gas Storage Bottle Filling Quantity Protective Zone and Dry Powder Storage Unit year Pipeline network, bracket and spray assembly Simulated Start-up Check

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