Requirements in this Standard apply only to swing door operators. The operator types are power assist@ and low energy power operators@ for pedestrian use@ and some small vehicular use. It does not address doors@ finish or hardware. The activation of all doors described in this standard requires a knowing act. Included are provisions intended to reduce the chance of user injury or entrapment.
A156.28-2007由BHMA - Builders Hardware Manufacturers Association Inc. 发布于 2007-01-01,并于 2013-08-29 实施。
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