Tests described in this Standard are performed under laboratory conditions. In actual usage,
results vary because of installation, door and frame construction, maintenance and environmental
conditions.
BHMA A156.19-2007 history
2013BHMA A156.19-2013 POWER ASSIST AND LOW ENERGY POWER OPERATED DOORS
2007BHMA A156.19-2007 Power Assist and Low Energy Power Operated Doors
2002BHMA A156.19-2002 Power Assist and Low Energy Power Operated Doors