Bulletin 172
May 2019
Page 2 of 7
www.reliablesprinkler.com
Model J112 Pendent Sprinkler SIN RA7216
Technical Specifications
Style:
Extended Coverage Pendent
Threads:
3/4” NPT or ISO 7-1R3/4
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:
Glass Bulb
Cup:
Bronze Alloy
Frame:
Brass Alloy
Sealing Assembly:
Nickel Alloy with PTFE
Load Screw:
Bronze Alloy
Kick Spring:
Steel Alloy
Deflector:
Brass Alloy
Sprinkler Wrench
Model J1
Model RJ (recessed)
Finishes
(See Table G)
Sensitivity
(
See Table B)
Temperature Ratings
155°F (68°C)
200°F (93°C)
286°F (141°C)
Recessed Escutcheons
F1-3/4” (19mm) adjustment (Ordinary Hazard only)
F2-1/2” (13mm) adjustment
FP-1/2” (13mm) adjustment
Listings and Approvals
cULus Listed
cULus Listed as Corrosion Resistant
with White Polyester, Black Polyester,
and ENT finish only
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 B
QR = Quick-response
SR = Standard-response
Listed Design Criteria and Sensitivity
Model J112 Pendent Sprinkler Components
Figure 1
