what is different from standard device and rated device

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 HD-EL (Hex Dogging Electric Latch Retraction) solenoid and plunger can be replaced with standard EL solenoid and plunger on non fire rated exit devices, but this should not be used on a daily basi...
HH hurricane rated devices usually have a deferent strike and fire rated mullion. Standard 98/99 series exit devices can be converted to HH by changing the strike and mullion on pair of doors. ...
Yes, an additional jamb anchor can be used at the bottom of the frame in lieu of the typical (adjustable or weld-in) base anchor in fire rated frames. This is limited to the anchor designed for...
Falcon 25 series is a ANSI/BHMA A156.3 Standard for Grade 1 device.
Falcon F-25 series is the UL Rated Fire Exit Hardware device is a ANSI/BHMA A156.3 Standard for Grade 1 device.
A copy of the BHMA Directory Listing can be viewed in the online Certified Directory on the BHMA web site. BHMA
Standard 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 on non fire rat...
A standard exit device can't be modified to a fire rated exit device.  A new device must be purchased.
SD is Special cylinder dogging in the center case of 98/99 rim and vertical rod non fire rated devices and is available with standard, EL, QEL, CX and ALK.