(Note: not all versions of sprinkler shown,
please see pages 2 through 13)
Model
K-Factor
gpm/psi
1/2
(lpm/bar
1/2
)
Approvals*
Max. Working
Pressure
psi (bar)
Sprinkler
Identication
Number (SIN)
F3QR56 Dry Pendent 5.6 (80) cULus, FM, LPCB, CE. VdS
175 (12.0)
cULus 250 (17.2)
R5714
F3QR56 Dry Horizontal
Sidewall
5.6 (80) cULus, FM, LPCB, CE
175 (12.0)
cULus 250 (17.2)
R5734
F3QR56 Dry Upright 5.6 (80) cULus 175 (12.0) R5724
Table A
Sprinkler Summary
*Note: Approvals may not apply to all trim, inlet thread, temperature, and/or nish combinations. See pages 2-11 for additional technical
information.
Features
• Various trim options available
• Sprinklers and trim available in a wide variety of standard and
special application nishes
• Listed corrosion resistant combinations of sprinkler and trim
available
Product Description
Model F3QR56 dry sprinklers are Quick-Response, standard
coverage sprinklers with a nominal K-factor of 5.6 (80
metric). Available in pendent, horizontal sidewall, and upright
congurations, Model F3QR56 dry sprinklers utilize a 5mm glass
bulb ordinary, intermediate, or high temperature classication
operating element.
Model F3QR56 dry sprinklers are intended for installation on wet
pipe, dry pipe, or preaction systems in accordance with NFPA 13,
FM Property Loss Prevention Data Sheets, or other applicable
installation standards.
Model F3QR56 dry sprinklers are available in a variety of trim
options and nish combinations as shown on the following pages.
The Reliable escutcheons and cover plates shown are the only
escutcheons and cover plates listed for use with the sprinkler.
The use of any other escutcheon or cover plate will void all
guarantees, warranty, listing, and approvals.
Standard inlet tting threads are 1” NPT or ISO7-R1 threads.
An inlet tting with 3/4” NPT or ISO7-R3/4 threads (cULus listed
only) is also available for select sprinklers for replacement of
existing sprinklers.
Table A provides a basic summary of Model F3QR56 dry
sprinklers. Additional technical information is provided on the
following individual sprinkler pages.
www.reliablesprinkler.com
K-factor 5.6 (80 metric)
Model F3QR56 Series
Quick-Response Dry Sprinkler
Bulletin 157 July 2023