Model F1XLH Upright
Model F1XLH Pendent
Model F1FRXLH Upright
Model F1FRXLH Pendent
F1XLH and F1FRXLH Series Conventional Sprinklers
Sprinkler
Model
K-Factor gpm/psi
1/2
(lpm/bar
1/2
)
Orientation
Response
Listings &
Approvals
Max. Working
Pressure psi (bar)
Sprinkler
Identification
Number (SIN)
F1XLH
4.2 (60)
Upright
SR
cULus
175 psi (12 bar)
RA1323
Pendent
RA1313
F1FRXLH
4.2 (60)
Upright
QR
cULus
175 psi (12 bar)
RA1423
Pendent
RA1413
Table A
Features
•
Standard Response or Quick Response
•
Standard Spray Deflectors
•
Low profile, compact design
•
Available in a wide variety of finishes
Product Description
Reliable Model F1XLH Standard Spray Sprinklers are standard
response fire sprinklers utilizing a 5.0 mm glass bulb thermal
element.
Reliable Model F1FRXLH Standard Spray Sprinklers are quick
response fire sprinklers utilizing a sensitive 3.0 mm thermal glass
bulb element.
These sprinklers are characterized by a 4.2 (60 metric) K-factor
with a pintle on the deflector.
Table A provides a summary of the approvals and availability
of specific Model F1XLH and F1FRXLH Series Standard Spray
Sprinkler configurations. Additional technical information for each
sprinkler model is provided on the following pages.
Pendent sprinklers may be installed exposed or surface mounted
using escutcheons such as the Reliable Models B, C, or HB
(reference Technical Bulletin 204). When installed recessed, the
Models F1XLH and F1FRXLH series sprinklers are specifically
listed and may only be installed with listed recessed escutcheons.
Refer to the technical information on the following pages for
specific listings for recessed sprinklers, and refer to Figure 5 for
dimensional information.
www.reliablesprinkler.com
K-factor 4.2 (60 metric)
F1XLH and F1FRXLH Series
Standard Spray Sprinklers
Bulletin 184 January 2022
