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FAQs

When did Classic Primus keys get new coining?

Resolution: :

How to template a 4050A with swing clear hinges?

Resolution: Locate Closer body and shoe from the centerline of the swing clear hinge pin. :

Can an LCN 4020 closer be used with Wide Throw Hinges?

Resolution: A 4020 can be used with wide throw hinges but with standard arms, you will get a diminished degree of opening. Using a 4020 with ST2458 might be a solution for WTH but there are other f...:

Can Falcon key blanks be ordered as each or do they have to be in boxes of 50?

Resolution: Falcon key blanks should be ordered according to the following quantities: STANDARD (non-IC) Operating key blanks, 5-pin (standard and plain/unembossed) - 50 Operating key blanks...:

What type of bearing does the Falcon SC series closers use?

Resolution: Below information is only visible to internal staff as this is not something that is published. 11/10/21- Per Eng (BM) - For the Falcon SC closer line we don’t specify type of bear...:

Does the 4031 series closer have a -18 drop plate for pull side mounting?

Resolution: No, there is no 4030-18 Drop plate. :

Is the 4010 hold open arm the same as the 4020 hold open arm?

Resolution: No, these arms are not the same and are not inter changeable. :

What is the difference between 622 V 643E?

Resolution: 643E is a Satin Bronze Plated, Blackened (622), Satin Relieved, Clear Coated. 622 is a matte black finish (US19). See here...:

What is the narrowest door (width) that the 4020 can be mounted on?

Resolution: When templated to 180 degrees, the standard 4020 closer will physically fit on a 17" wide door. Given the stop on the latch side of the frame is 1/2 or less. :

Will a Von Duprin model 22 QEL/HD-QEL Baseplate conversion kit be made available?

Resolution: No, the baseplate and mechanism case for the legacy model 22 QEL/HD-QEL device is not configured to allow the motor to fit. The QEL/HD-QEL conversion kits will be available for devices sold A...: