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“ what is SD option ”

Resolution: 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.:

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...:

Is dogging available w/ EL option on 24 or 25 series devices?

Resolution: 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 optio...:

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.:

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.:

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“ what is SD option ”

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