FAQs

Question
Answer
The Von Duprin EL33A/35A/98/99 device can be converted to the QEL device by getting the correct sized QEL baseplate conversion kit. The existing PS914 or PS873 power supply can be used. ...
EPT can be used on following hinges: Degree of the opening Hinge type Door thickness 0-180 degree Up to 5" butt hinges 1 3/4" 0-180 degree Up to 3/4" offset pivots 1 3/4" 0-130 degree 5 1/2"...
See related solution: Can an EPT be used with Cam Lift Hinges?
The 4110 EDA/HEDA can be templated for 100°, 140°, and 180° hold open. The hold open adjustment can be set to hold the door at any position (degree) up to the maximum door opening angle. For "Wi...
The 455 can be mounted on a 48" wide door, but we cannot guarantee that it will withstand the forces involved.  Recommend using 906 instead.
An EPT can be used with a Cam Lift Hinge: Maximum hinge lift dimension = 1/2".  The EPT must be installed correctly with the tube at the top on the door side and the tube at bottom on...
Butt hinges can be used on  doors up to 4' wide and 200 pounds.  There is no maximum door height, just need to add a hinge for every 30" or part there of over 7'.
The ND-Series RX,  the L-Series RX and latch monitoring switches are Form C - Single Pole Double Throw (also known as SPDT).
F-Series frames are available without returns: Fire Rated frames must have welded corners. Frames must include weled in wood or steel stud anchors. Installation requirements: Frames must be...
Wallboard must penetrate a minimum of ½” into the hollow metal frame, based on NFPA Pamphlet 80, (page 80-2, figure A.4.6.3.1) .
The Locknetics 9100 series electric strikes are replaced with Von Duprin 6211 and 6210 electric strikes.   The 6211 is used if the frame is being replaced. The 6210 is for ...