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“
cylinder type for SD
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RELATED FAQS
Question
Answer
Does the cylinder cam get inverted on the SD option for the Von Duprin 99 exit device?
Resolution:
The cylinder cam must be inverted with the SD option to work properly.:
Can the CD and EL options be provided on the same 98/99 rim or vertical rod exit device?
Resolution:
There is not enough room for both Cylinder Dogging (CD) and Electric Latch Retraction (EL or QEL) options because they both try to occupy the same space in the device.The dogging mechanism for cyli...:
What is (SD) Special Dogging?
Resolution:
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.:
How do I add the Special Dogging (SD) option to a 98/9927 vertical rod device?
Resolution:
Special Dogging (SD) 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 or 050551: SD Center Case Kit LH...: