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“ Von Duprin SD Installation ”

RELATED FAQS

Question
Answer
Is the SD option available with Von Duprin QEL 98/99 exit devices?
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.
Does the cylinder cam get inverted on the SD option for the Von Duprin 99 exit device?
 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.
What is (SD) Special Dogging?
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.
Why is the ND lever hard to push on?
ND locks shipping on or after January 30, 2017 no longer require the use of the soft durometer spacer. Lever installation on the redesigned ND locks should not be difficult.
For ND locks shipping prior to January 30, 2017, the addition of the soft durometer spacer (SDS) on August 15, 2012 did affect the installation of the lever.  Ultimately, removing th...
Is dogging available w/ EL option on 24 or 25 series devices?
This option is not available as the solenoid is in the mechanism case where the dogging components would go.  An HD-EL solenoid is not available, and Special Dogging(SD) is not an option ...