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“ what is nl function ”

Resolution: Device would be ordered as a 25C-C as of June 2012.The C-C suffix designates the 25C will come with the 718C-C cylinder control which uses a 1-¼" mortise with a narrow straight cam:

Does Von Duprin offer an NL or NL-OP function with the 8827 exit device?

Resolution: This option is not available as there is no NL cam to directly drive the rods and using a key to lift the heavy stainless, brass or bronze rods would damage the key. :

Can you convert the 510 L trim to an L-NL (storeroom) function?

Resolution: The 510L can be converted to a nightlatch 510L-NL by changing out a few parts to the trim. See 510L to 510L-NL conversion instructions for required parts that will need to be added/r...:

How do you change the Von Duprin 990TP trim to NL function?

Resolution: Recommend to order a new 990NL-R/V or M trim to change from TP/Classroom function to NL/Storeroom function. You will also need to reinstall the NL drive screw back into into the mast...:

How do you convert the Von Duprin 370 series controls to NL or night latch function?

Resolution: You must have the Von Duprin NL Cylinder plate part number 967484-89 to convert the 370 series controls from classroom function to night latch function. If new installation, use the NL cylinde...:

Does Von Duprin supply the 9875, 9975, 9875-F and 9975-F mortise exit devices with NL-OP trim function?

Resolution: For night latch function with pull by others, the 98/99 series mortise exit device should be ordered as NL less trim, e.g., 9875NL-L/TRIM. We will furnish a device only, and the mortise cyl...:

How is HB achieved on the 1690 device?

Resolution: Install the pinion cam at the top of the retractor per Figure 7-3 in Step 7 of 1690 Instructions.:

How can the Von Duprin 98/9975-L with 996L classroom trim function be converted as a night latch function in field?

Resolution: The following steps are required to convert the Von Duprin 98/9975L from classroom to night latch function: Order new 996L-NL-M trim and reset NL drive screw in mortise lockbody as se...:

How do I convert a 360L from NL to TL?

Resolution: To convert the Von Duprin 360L/TL from Night Latch (NL) to Classroom (TL) or from Classroom (TL) to Night Latch (NL), invert mortise cylinder cam. :

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“ what is nl function ”

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