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FAQs

Can the QEL be used on fire rated exit devices?

Resolution: Yes. QEL is an option for fire-rated devices. Consult the Von Duprin catalog for your exit device (website) for more information on device options. :

Explain the ND25 function

Resolution: The ND25 is an exit lock with no outside trim. The inside lever is always free for immediate egress.:

How do I obtain a non-standard release delay board for my Chexit?

Resolution: We can ship the customer 15, 30, or 15 second BOCA Chexit modules for installation in a currently installed device.To switch to any delay other than 15, 30, or 15 second BOCA requires&nbs...:

Can I power up a 6300 strike to keep it unlocked while using the external inhibit on the Chexit device?

Resolution: The 6300 electric strike is rated for continuous duty.The Normally Open contact of the relay connected to the Chexit device Inhibit connection could be used to power the electric strike while the C...:

Will the Schlage CO or AD trim work with the Falcon 25V device?

Resolution: The Schlage AD/CO trims are not compatible with the Falcon 25-V device due to the main cam on the device rotating the opposite direction for a given hand compared to the AD/CO trims output dri...:

What is the MS 7766

Resolution: Surface mount DPS.LINK 7766:

Are the 98/9927 F or 98/9947 F devices tested for single wood doors?

Resolution: The 98/9927F or 98/9947F devices are not tested for single metal or wood doors.:

Can an HL6 mortise lock use a paddle on one side and standard lever on the other side?

Resolution: The L9000 locks can be mounted with a push/pull paddle on one side and an L series rose trim lever on the other side.:

Can the Falcon 1790 device be used on a wood door?

Resolution: The 1790 device could be used on a wood door but you will need to provide the wood screws for mounting as the device only ships with 1/4-20 machine screws.:

What electric strike should be used with cylindrical locks on double door pair with no mullion?

Resolution: Von Duprin 6223 is the most common electric strike that is used with cylindrical locks on inactive leaf on double door with no mullion.: