This standard specifies the type, specifications, basic parameters, performance requirements and test methods of suspended automatic dry powder fire extinguishing devices (hereinafter referred to as dry powder fire extinguishing devices). This standard applies to dry powder fire extinguishing devices whose nozzle temperature sensing elements are fusible elements and glass ball types.
GA 78-1994 history
2013XF 602-2013 Dry powder fire extinguishing device
2006GA 602-2006 Dry chemical fire extinguishing equipment
1994GA 78-1994 Performance requirements and test methods for suspended automatic dry powder fire extinguishing devices
GA 78-1994 Performance requirements and test methods for suspended automatic dry powder fire extinguishing devices was changed to GA 602-2006 Dry chemical fire extinguishing equipment.