This standard specifies the specifications, technical requirements, test methods, inspection rules, packaging, transportation, storage, etc. of electromagnets for building fire protection products. This standard applies to electromagnets installed in building fire protection products such as fire dampers, smoke exhaust fire dampers, smoke exhaust valves, smoke exhaust vents, smoke exhaust windows, fire doors, fire shutters, smoke curtains and other hanging walls.
GA 112-1995 history
1995GA 112-1995 General specification for electromagnets used in building fire protection products