cylinder type for SD

RELATED FAQS

Question
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.
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...
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.
Special Dogging can be added but you will need a new center case assembly, cylinder dog housing, and center case cover. 050550, SD center case kit RHR and 050551, SD center case kit LHR. 112409...