Can spring hinges go on fire doors?

RELATED FAQS

Question
Answer
There is no fire rating for butt hinges, but NFPA 80 says to use steel material and ball bearing hinges for fire rated openings.
Fire labels (UL, ITS/WHI or FM) are located as follows: Butt Hinges and Pivots: On the doors the fire label is located on the hinge edge between the top and 2nd hinge preparation. On the fram...
Yes, the spring torque on 3SP1 butt hinge is adjustable.  See instructions at this link:https://static-or01.inbenta.com/fc7332911aa38d5387ffdef79e8605c6ecdc727ece31acf5bc8e26dcac5d29e4/Iv...
The Von Duprin Guard-X exit device is not fire rated because the deadbolt is not spring loaded. Therefore, there would be no positive latching as required on a fire rated opening. 
The only spring size available is a size 4 (2314ME, 4314ME, 4414ME) which has a stronger spring to help insure that the door will close in a fire situation.