when are panic devices required on fire rated doors

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A standard exit device can't be modified to a fire rated exit device.  In order to get a product with the UL fire label, a new device must be purchased. This is a UL requirement.
The 4170 cover plate can be used to cover the 86 & 161 prepped doors.
Panic Hardware and Fire Exit Hardware are two different types of exit devices, and the proper selection is determined by code requirements. Panic Hardware is an exit device which is tested for u...
The most obvious difference (in the device) is the lack of mechanical dogging on a Fire Rated Device.  There are some internal parts that may be different and the method it is secured to the d...
The 909 strike is used in single and paired non-fire rated and single fire rated openings.  The 954 strike is used in fire rated paired openings.
The 1609 strike cannot be used with Von Duprin XP98/99 exit device.
The 6111 electric strike can be used only on non rated openings less bottom rod with pullman top latch (use ES prefix when ordering device). Device back set will change to match the centerline of t...
Not for use in fire rated openings.
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.
Steelcraft L-Series and T-Series doors are available (as an option) factory prepared for the Von Duprin InPact exit device. 
There are several door manufacturers that have achieved a 90 minute UL Fire listing as shown. Von Duprin CVC with Marshfield Wood Door: Von Duprin is pleased to announce that Marshfield ...