DW-Series Fire Rated Borrowed Lights are available in the following sizes:
60 minute (1 hour) rating = 2721 square inches of visible glass.
maximum frame rabbet to rabbet dimensions = 78 1/4...
The rim cylinder with thumbturn, XB11-979 (Figure 1) was designed to be installed on the inside head of the Von Duprin 98/99–2 double cylinder exit devices, see Figure 1. The rim cylinder with...