Model GXLO Series Sprinklers
Upright with Factory Installed Shield
Upright
Pendent
Product Description
Reliable Model GXLO (extra-large orifice) upright and
pendent sprinklers are standard coverage, standard
response sprinklers that utilize a robust center strut, solder in
compression thermal element. These sprinklers are intended
for use in hydraulically calculated control mode density area
(CMDA) storage and non-storage occupancies in accordance
with the area/density curves of NFPA 13 or other applicable
standards.
The Model GXLO sprinkler is FM Approved as a standard
response storage and non-storage sprinkler when used in
accordance with FM Global Property Loss Prevention Data
Sheets.
For new installations, the sprinkler is provided with either 3/4-
inch NPT or ISO 7-R3/4 threads. The upright version is also
available with 1/2-inch NPT or ISO 7-R1/2 threads for retrofit
installations only. Sprinklers without guards are installed using
the Model H wrench.
For use as an intermediate level sprinkler, the Model GXLO
upright sprinkler is available with a factory installed water
shield. Various other water shields, guards, or guard/shield
options are also available for both upright and pendent
models (please refer to Technical Specifications on following
pages). Sprinkler guards or guard/shields may be installed
in the field or factory installed. Use of the Model JV sprinkler
wrench is required for installation where a guard is added to
the sprinkler prior to threading the assembly into a fitting.
www.reliablesprinkler.com
Model GXLO Specifications
Style
Sprinkler Identification
Number (SIN)
Listings and
Approvals
Sensitivity
K-Factor
Upright
R2921
cULus, FM
Standard Response
11.2
(160 metric)
Pendent
R2916
FM
Table A
Model GXLO Series Sprinkler
Storage and Non-Storage Sprinklers
K11.2 (160 metric)
Bulletin 129 August 2020
