What is the difference between normally open and normally closed?
In a push button type switch (RX or LX), in which the contacts remain in one state unless actuated, the contacts can either be normally open (abbreviated "n.o." or "no") until closed by oper...
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Can I use CD and ALK on a 98/99 series Von Duprin?
Standard 98/99 exit alarm ALK devices are available with cylinder dogging option as of October, 2011.
The device can be ordered standard with cylinder dogging and exit alarm ALK option ...
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What strike do I use with a Von Duprin rim device on a pair of doors with flush bolts?
NON Fire Rated doors would use the 1609 strike applied to the inactive leaf with flushbolts. This may NOT be used on Fire Rated openings....
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What Von Duprin solenoid crosses over to the solenoid part number 971687?
If you are trying to replace Von Duprin EL solenoid part number 971687, the sellable part number for the solenoid and plunger is 050535. Please note that the solenoid is rarely the cause of EL d...
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What is SLM blocking and how does it effect exit device installation?
SLM - special laminated material - blocking is put into the wood doors so there is material to mount the exit device using wood screws....
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Can you use the 925 tubing from LCN for the PN Von Duprin devices?
If using the LCN pneumatic control box as the air source for the Von Duprin Pneumatic devises then you have to use the LCN 925 tubing because of the size of air line fitting on the LCN contr...
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Do we offer HD-QEL?
We offer a couple different HD-QEL options:Hex key dogging (HD) is now available with Von Duprin non fire rated QEL33A/35A/98/99 electric exit devices that were shipped after Decem...
Schlage Commercial » Exit Devices » Touch Bar » 33A/35A Series » Von Duprin | Schlage Commercial » Exit Devices » Touch Bar » 98/99 Series » Von Duprin
Is a Von Duprin or Falcon EL device available in 12V?
Electric latch retraction, EL, devices are only available in 24VDC. (Note: The EL option for 24/25 series and related service parts have been discontinued as of 7/25/2022)...
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