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FAQs

Can an RX switch be added to a pneumatic device?

Resolution: Von Duprin does allow an RX switch to be used with pneumatic devices. While Von Duprin devices do not have a hazard certification, a switch would not be appropriate if spark is an issue...:

Can the LCN escutcheon be used with wireless actuators?

Resolution: The escutcheons are metal and are not recommended to be used with the wireless actuators and transmitters. Why - The signal from the transmitter may not always transmit through the me...:

Can the old LCN 7910-931 receiver be powered off a Sr Swing Control Box?

Resolution: The old obsolete LCN 7910-931 receiver can be powered off the Sr Swing control boxes made Dec. 9, 2019 or later because the CB low voltage output is 24VDC, 1A current draw. BUT it should not ...:

Can a 33a/35a be made with the US10B finish on all components?

Resolution: Because the mechanism case and cover plate are aluminum, these components can not be US10B. They will be furnished with a 313 finish:

Where is information for door under-sizing for continuous hinges?

Resolution: The chart to under-size a door is on the specific hinge template.:

Can an LX switch be added to a 94/95 series in the field?

Resolution: The LX option is available for field install for 94/95 series devices shipped after 4/2005, (part # 050226-00):

How thick is the 8400 plastic kick plate?

Resolution: The thickness is 1/8" (.125"):

Can Torx screws be used on thresholds?

Resolution: Yes, our Torx screws can be used to secure any of our thresholds.:

How can I achieve a 10" Threshold?

Resolution: The best way to achieve this is using 678 plate with a 268 on each end - this will make a 10" threshold which is 3/8" high (which in most cases is still ADA compliant) This method allows the ...:

Am I able to get butt hinges with different leaf heights?

Resolution: Am I able to order a butt hinge with a door hinge leaf at one height and the frame hinge leaf at another? At this time we do not offer this - even as an Engineering Special. :