ANSI/BHMA A156.27-2011

1.1 Requirements in this standard apply to power operated revolving type doors which rotate automatically when approached by pedestrians, some small vehicular use, and manual revolving type doors for pedestrians. Included are provisions to reduce the chance of user injury and entrapment. Revolving doors for industrial or trained traffic are not covered in this Standard.

1.2 Where this standard contains specifications relating to maximum and minimum dimensions of various components of revolving doors for pedestrian use and some small vehicular traffic, such dimensions are included to provide user protection for what are in the industry, standard application conditions. This standard does not attempt to assess any factors that exist with respect to custom installations.

1.3 Enclosure sizes shown in the charts shown are considered by the industry to be standard andpractical to meet the majority of the market needs and are shown as a guide and convenience to ownersand architects that are selecting a revolving door and as a convenience to installers and service personsadjusting the door and owners making periodic inspection. Deviation from enclosure sizes shown doesnot constitute non-compliance if the door complies with all requirements in the standard.

This product replaces:ANSI/BHMA A156.27-2003 - Power and Manual Operated Revolving Pedestrian Doors
This product is included inANSI/BHMA A156 Standards Set - Power and Manual Operated Revolving Pedestrian Doors