Mortise cylinder for von duprin removable mull

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Von Duprin KR (key removable) mullions requires a 1-1/8" or 1-1/4" mortise cylinder with the standard straight cam, the cam is not inverted. Please see chart below for part numbers. 
instructions
The Von Duprin CD kit comes with the cover plate machined to accept the cylinder dogging mortise cylinder.1 1/4" mortise cylinder with an inverted straight cam is required for CD option on Von Dupr...
The Von Duprin 370 series control required a 1 1/4" mortise cylinder and will not operate with 1 1/8" mortise cylinder.
The Sargent cams listed below work for all applications except 16 inside and 50 outside.  The equivalent Sargent cam is the 13-0660. Use the B520-736 for modular cylinder lengths of 1 1/8",...
The 20-001 is a conventional mortise cylinder with a straight cam, compression ring and spring for use on rose trim. For use with the L9060 outside cylinder or other straight cam applications.
The Falcon MA-Series requires a different cam for keyed functions than its predecessor the Falcon M-Series.
 
 
The KR4023 mullion requires a 1-1/4" mortise cylinder with straight cam. This is stated in box 7 on the first page of the KR4023 mullion instructions.