can you have sd and el exit devices

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Answer
 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.
SD option is available and is also standard with Von Duprin 98/99 rim and vertical rod exit devices but not available with mortise device.
 HD-EL (Hex Dogging Electric Latch Retraction) solenoid and plunger can be replaced with standard EL solenoid and plunger on non fire rated exit devices, but this should not be used on a daily basi...
You cannot convert the old Von Duprin 33/35 rim exit device to EL electric latch retraction as the device center case was different than EL33/35 rim center case assembly.
The conversion kit does not contain a new mechanism case cover plate.  If a cover plate is desired you would need the Fire or Less Dogging Cover Plate for EL conversion kit and panic cover plate fo...
SD is Special cylinder dogging in the center case of 98/99 rim and vertical rod non fire rated devices and is available with standard, EL, QEL, CX and ALK.
This is available.  You will need the SD center case kit, SD center case cover, and EL conversion kit.