K FACTOR 11.2(GXLO Series)
We
provide Reliable Model GXLO (extra-large orifice) upright and pendent sprinklers
for Pump room. These 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 & UL 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.
Model
GXLO Standard Response Automatic Sprinklers
Recommended
CSI Master Format Specification Location: 21 13 00, Fire Suppression Sprinkler
Systems (formerly 13930)
Sprinklers shall be standard
response [upright] [FM only: pendent] sprinklers that are [FM Approved] [UL Listed].
Sprinkler frame and deflector shall be of bronze construction, utilizing a
levered fusible alloy solder link and having a [¾” NPT] [ISO 7-1R¾]
thread. Water seal assembly shall
consist of a Teflon-coated Belleville spring washer containing no plastic
parts. Sprinkler temperature rating shall be [165°F (74°C)] [212°F
(100°C)] [286°F (141°C)].
Sprinklers shall have a nominal K-factor of 11.2 gpm/psi1/2
(160 l/min/bar1/2) – extra-large orifice. Sprinklers shall have a
rated working pressure of 175 psi (12 bar).
Sprinklers shall be of the
Model GXLO Series. Refer to Reliable Bulletin 129 for associated sprinkler
information.
Style: Upright, Intermediate
Upright
Threads: 3/4” NPT or ISO
7-1R3/4*
Nominal K-Factor: 11.2 (160 metric)
Max.
Working Pressure: 175
psi (12 bar)
Material
Specifications
Thermal
Sensor: Solder
Capsule
Sprinkler
Frame: Brass
Alloy
Button/Cup:
Brass
Alloy
Sealing
Assembly: Brass
with PTFE
Load
Screw: Bronze
Deflector:
Bronze
Alloy
Levers:
Bronze
Alloy
Ejection
Spring: Stainless
Steel