AUTOMATIC OF AMERICA

AUTOMATIC SPRINKLER APPARATUS AND PARTS THEREOF FOR FIRE PROTECTION PURPOSES-NAMELY, AUTOMATIC SPRINKLER VALVES, WET PIPE VALVES, DRY PIPE VALVES, PRE-ACTION VALVES, DELUGE VALVES, SPRINKLER HEADS, EXHAUSTERS FOR VENTING COMPRESSED AIR FROM DRY PIPE SPRINKLER SYSTEMS AND ALARM VALVES FOR INDICATING OPERATION OF SPRINKLER SYSTEMS