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Features
•
Standard coverage, standard-response sprinklers
•
Upright, pendent, horizontal sidewall, and vertical sidewall
deflectors
•
Robust solder capsule thermal element
•
Available in a wide variety of finishes
Product Description
Reliable Model G Series sprinklers are standard-response
standard spray automatic sprinklers using a solder capsule
thermal element. The solder is captured in the cylinder of the
capsule by a stainless steel ball. When the solder melts, the ball
moves into the cylinder allowing the thermal element to fall away
from the sprinkler. When this occurs, the compressed strut and
lever spring free from the sprinkler. System pressure then clears
the waterway of all operating parts allowing the deflector to
evenly distribute water.
Pendent and horizontal sidewall 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 Model G Series sprinklers are
specifically listed with and may only be installed with listed
Reliable escutcheons. Refer to the technical information on the
following pages for specific listings for recessed installations and
Figures 6 and 7 for dimensional information.
Sprinkler Summary
K-Factor gpm/psi
Model
(lpm/bar
2.8 (40)
4.2 (60)
G Upright
5.6 (80)
8.0 (115)
8.0 (115)
5.6 (80)
G Upright
Intermediate
8.0 (115)
2.8 (40)
4.2 (60)
G Pendent
5.6 (80)
8.0 (115)
8.0 (115)
2.8 (40)
4.2 (60)
G Horizontal
5.6 (80)
Sidewall
8.0 (115)
8.0 (115)
G Vertical Sidwall
5.6 (80)
1/2
Listings & Approvals
1/2
)
UL, FM
UL
UL, FM, LPCB, EC, UKCA
UL, FM
UL, FM, LPCB, EC, UKCA
UL, FM
UL, FM
UL, FM
UL
UL, FM, LPCB, EC, UKCA
UL, FM
UL, FM, LPCB, EC, UKCA
UL
UL
UL, FM, LPCB
UL
UL
FM, LPCB, EC, UKCA
www.reliablesprinkler.com
Standard-Response Sprinklers
Upright
Note: Not all versions of the product are shown.
When fitted with an approved water shield, these sprinklers may
considered intermediate sprinklers for use in racks, below grated
walkways, and other areas where intermediate level sprinklers are
required.
Threads
1/2" NPT, ISO 7-R1/2
1/2" NPT, ISO 7-R1/2
1/2" NPT, ISO 7-R1/2
1/2" NPT, ISO 7-R1/2
3/4" NPT, ISO 7-R3/4
1/2" NPT, ISO 7-R1/2
3/4" NPT, ISO 7-R3/4
1/2" NPT, ISO 7-R1/2
1/2" NPT, ISO 7-R1/2
1/2" NPT, ISO 7-R1/2
1/2" NPT, ISO 7-R1/2
3/4" NPT, ISO 7-R3/4
1/2" NPT, ISO 7-R1/2
1/2" NPT, ISO 7-R1/2
1/2" NPT, ISO 7-R1/2
1/2" NPT, ISO 7-R1/2
3/4" NPT, ISO 7-R3/4
1/2" NPT, ISO 7-R1/2
Bulletin 110 January 2023
Model G Series
Pendent
Table A
Sprinkler Identification
Number (SIN)
R1021
R1023
R1025
R1026
R1027
R1425
R1427
R1011
R1013
R1015
R1016
R1017
R1231
R1233
R1235
R1236
R1237
R1285
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Summarization of Contents
Model G Upright Sprinkler
Technical Specifications
Details style, threads, K-factor, pressure, guards, shields, finishes, and sensitivity for upright sprinklers.
Model G Upright Sprinkler Components and Dimensions
Illustrates and labels the components and dimensions of the Model G Upright sprinkler.
Model G Upright Sprinklers
Presents data on SIN, K-factor, threads, and approvals for upright sprinklers.
Model G Intermediate Upright Sprinkler
Technical Specifications
Details style, threads, K-factor, pressure, guards, shields, finishes, and sensitivity for intermediate upright sprinklers.
Model G Intermediate Upright Sprinkler Components and Dimensions
Illustrates and labels the components and dimensions of the Model G Intermediate Upright sprinkler.
Model G Intermediate Upright Sprinklers
Presents data on SIN, K-factor, threads, and approvals for intermediate upright sprinklers.
Model G Pendent Sprinkler
Technical Specifications
Details style, threads, K-factor, pressure, materials, finishes, sensitivity, and temperature ratings for pendent sprinklers.
Recessed Escutcheons
Lists available recessed escutcheon types and their compatibility with sprinkler SINs.
Guards & Shields
Lists available guards and shields and their compatibility with sprinkler SINs.
Sprinkler Wrenches
Identifies the specific wrenches used for non-recessed and recessed pendent sprinklers.
Model G Pendent Sprinkler Components and Dimensions
Illustrates and labels the components and dimensions of the Model G Pendent sprinkler.
Model G Pendent Sprinklers
Presents data on SIN, K-factor, threads, and approvals for pendent sprinklers.
Model G Horizontal Sidewall Sprinkler
Technical Specifications
Details style, threads, K-factor, pressure, materials, finishes, sensitivity, and temperature ratings.
Recessed Escutcheons
Lists available recessed escutcheon types and their compatibility.
Guards & Shields
Lists available guards and shields and their compatibility with sprinkler SINs.
Sprinkler Wrenches
Identifies the specific wrenches used for non-recessed and recessed sidewall sprinklers.
Model G Horizontal Sidewall Sprinkler Components and Dimensions
Illustrates and labels the components and dimensions of the Model G Horizontal Sidewall sprinkler.
Model G Horizontal Sidewall Sprinklers
Presents data on SIN, K-factor, threads, and approvals for horizontal sidewall sprinklers.
Model G Vertical Sidewall Sprinkler
Technical Specifications
Details style, threads, K-factor, pressure, materials, finishes, sensitivity, and temperature ratings.
Guards & Shields
Lists available guards and shields and their compatibility.
Sprinkler Wrenches
Identifies the specific wrench used for vertical sidewall sprinklers.
Model G Vertical Sidewall Sprinkler Components and Dimensions
Illustrates and labels the components and dimensions of the Model G Vertical Sidewall sprinkler.
Recessed Installation: Pendent Sprinklers
MODEL G RECESSED SPRINKLER
Details recessed installation dimensions and adjustments for the Model G recessed sprinkler.
MODEL G PENDENT SPRINKLER WITH MODEL F1 RECESSED ESCUTCHEON
Details recessed installation dimensions and adjustments for the Model G Pendent sprinkler with F1 escutcheon.
Recessed Installation: G Horizontal Sidewall Sprinklers
MODEL G HORIZONTAL SIDEWALL SPRINKLER WITH MODEL F1 RECESSED ESCUTCHEON (TOP VIEW)
Shows recessed installation details and escutcheon types for Horizontal Sidewall sprinklers.
Finishes
Standard Finishes
Lists standard finish options for sprinklers and escutcheons.
Special Application Finishes
Lists special application finishes for sprinklers and escutcheons.
Ordering Information
Model
Specifies the primary model identifier for ordering.
Deflector/Orientation
Lists available deflector types and orientations for ordering.
Temperature Rating
Indicates the temperature rating selection for ordering.
Sprinkler Finish
Specifies the finish option for the sprinkler during ordering.
Recessed Escutcheon
Lists available recessed escutcheon types for ordering.
Escutcheon Finish
Specifies the finish option for the escutcheon during ordering.
Sprinkler Wrench
Identifies the required wrench type for ordering.
Guards and Shields
Lists available guards and shields for ordering.
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