Model F1FR56-300 Upright Sprinkler
SIN RA2625
Technical Specifications
Style:
Upright
Threads:
1/2” NPT or ISO 7-R1/2
Nominal K-Factor:
5.6 (80 metric)
Max. Working Pressure:
300 psi (20.7 bar)
Material Specifications
Thermal Sensor:
3 mm Glass Bulb
Sprinkler Frame:
Brass Alloy
Cap:
Bronze Alloy
Sealing Washer:
Nickel with PTFE
Load Screw:
Copper Alloy
Deflector:
Brass Alloy
Sprinkler Finishes
(See Table B)
Sensitivity
Quick response
Temperature Ratings
135°F (57°C)
155°F (68°C)
175°F (79°C)
200°F (93°C)
286°F (141°C)
Guards & Shields (New Frames)
F-1 Guard
F-3 Guard with Shield
Guards and Shields (Legacy Frames)
C-3 Guard with Shield
D-1 Guard
D-3 Guard with Shield
Sprinkler Wrench
Model W2
Model J (new frame with guard installed)
Model JD (legacy frame with guard
installed)
Listings and Approvals
cULus
Model F1FR56-300 Upright Sprinkler Components and Dimensions
Figure 1
Deflector
Glass Bulb
(3 mm)
Wrench Flat
Threads
1 3/8" [33mm]
Cap/Seal Assembly
Load Screw
2 3/8" [60mm]
F1_HALF_UPR
Bulletin 077
October 2022
Page 2 of 8
www.reliablesprinkler.com
