what cylinder is needed when using 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.
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.
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, Less Dogging, LD, Center Case Dogging, SD
CD, SD, Cylinder Dogging, Special Dogging