what cylinder is used for CD

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The Von Duprin CD kit comes with the cover plate machined to accept the cylinder dogging mortise cylinder.1 1/4" mortise cylinder with an inverted straight cam is required for CD option on Von Dupr...
Cylinder dogging CD is not available with 22 series exit device.
Standard 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 option on non fire rat...
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.
There is not enough room for both options as the dogging mechanism in a standard cylinder dogging and the electronics for the EL or QEL options are both located at the end of the base plate. For 9...
Devices built After 2/28/2011: Use a 1 1/8" - 1 1/4" mortise cylinder with straight narrow cam. (Cam profile same as the Schlage B520-731, see table below for part numbers) Devices built Befo...
 Modular 1-1/8"  Modular 1-1/4"  SFIC and FSIC  Non-Modular Non-IC Conventional  Non-Modular Non-IC Everest Primus  B520-730  B520-731  B520-2...
Equivalent to the Schlage D series line with a C keyway. Part number 21-002.