Bulletin 178
December 2019
Page 3 of 5
www.reliablesprinkler.com
Model J112SS Upright Sprinkler SIN R7826
Technical Specifications
Style:
Extended Coverage Upright
Threads:
3/4” NPT or ISO 7-1 R3/4
Nominal K-Factor:
11.2 (160 metric)
Max. Working Pressure:
175 psi (12 bar)
Min. Spacing:
8 ft. (2.4 m)
Material Specifications
Thermal Sensor:
3mm Glass Bulb
Cap:
Type 316 stainless steel
Frame:
Type 316L stainless steel
Sealing Washer:
Beryllium-nickel alloy gold plated
per MIL-G-45204, Type 3, Class 2 w/ PTFE tape on
both sides.
Load Screw:
Type 316 stainless steel
Kick Spring:
Type 302 stainless steel
Deflector:
Type 316 stainless steel
Sprinkler Wrench
Model J1
Finishes
None
White Polyester
Black Polyester
Custom Color Polyester
Sensitivity
(See Table C)
Temperature Rating
155°F (68°C)
200°F (93°C)
286°F (141°C)
Listings and Approvals
cULus Listed for Light and Ordinary Hazard
cULus Listed as Corrosion Resistant
Max. Spacing
ft. x ft.
(m x m)
Light Hazard
Ordinary Hazard
Group 1
Ordinary Hazard
Group 2
Flow
gpm (l/m)
Pressure
psi (bar)
Flow
gpm (l/m)
Pressure
psi (bar)
Flow
gpm (l/m)
Pressure
psi (bar)
12 x 12
(3.7 x 3.7)
30 (114)
QR
7.2 (0.50)
QR
30 (114)
QR
7.2 (0.50)
QR
39 (148)
QR
12.1 (0.8)
QR
14 x 14
(4.3 x 4.3)
30 (114)
QR
7.2 (0.50)
QR
30 (114)
QR
7.2 (0.50)
QR
39 (148)
QR
12.1 (0.8)
QR
16 x 16
(4.9 x 4.9)
30 (114)
QR
7.2 (0.50)
QR
39 (148)
SR
12.1 (0.8)
SR
51 (193)
SR
20.7 (1.4)
SR
18 x 18
(5.5 x 5.5)
33 (125)
QR
8.7 (0.60)
QR
49 (186)
SR
19.1 (1.3)
SR
65 (246)
SR
33.7 (2.3)
SR
20 x 20
(6.1 x 6.1)
40 (152)
QR
12.8 (0.88)
QR
60 (227)
SR
28.7 (2.0)
SR
80 (303)
SR
51.0 (3.5)
SR
Table C
QR = Quick-response
SR = Standard-response
Listed Design Criteria and Sensitivity
Model J112SS Upright Sprinkler Components
Figure 2
