SARGENT CYLINDER WORK IN EXIT DEVICE

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The ALK uses a 1 1/4" mortise cylinder with straight cam. (NO DOGGING)
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...
Double cylinders are only available on Von Duprin 98/99 Rim and 98/9975 Mortise devices.
Cylinder dogging (CD) and an RX switch can be ordered together with 33/35 or 98/99 series.
This can be done ONLY with non fire rated exit devices.
Equivalent to the Schlage D series line with a C keyway. Part number 21-002.
Standard 98/99 exit alarm ALK devices are available with cylinder dogging option as of October, 2011. The device can be ordered standard with cylinder dogging and exit alarm ALK opti...
 A 1 1/4" cylinder with straight cam is required for the Von Duprin SD (Special Dogging) exit device option.
The cylinder cam must be inverted with the SD option to work properly.