Reliable F1FR56 Series - Model F1 FR56 Upright Sprinkler; Technical Specifications; Material Specifications; Sprinkler Finishes

Model F1FR56 Upright Sprinkler SIN RA1425
Technical Specications
Style: Upright, Intermediate Upright
Threads: 1/2” NPT or ISO 7-R1/2
Nominal K-Factor: 5.6 (80 metric)
Max. Working Pressure:
175 psi (12 bar)
250 psi (17 bar) (cULus only)
Material Specications
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)
Factory Water Shield (cULus, FM)
F-1 Guard (cULus, FM)
F-3 Guard with Shield (cULus, FM)
Guards and Shields (Legacy Frames)
Factory Water Shield
C-1 Guard (FM)
C-3 Guard with Shield (cULus, FM)
D-1 Guard (cULus)
D-3 Guard with Shield (cULus)
Sprinkler Wrench
Model W2
Model J (New frame with guard installed)
Model JD (Legacy frame with guard
installed)
Listings and Approvals
cULus Listed
FM Approved
LPCB
VdS
EC
WM
Model F1FR56 Upright Sprinkler Components and Dimensions Figure 1
Deflector
Glass Bulb
(3 mm)
Wrench Flat
Threads
1 3/8" [33mm]
3 1/4" [83mm]
Cap/Seal Assembly
Load Screw
2 1/4" [58mm]
F1FR_HALF_UPR_INT
Shown with Optional
Factory Installed Water Shield
( Intermediate Upright)
Bulletin 074
October 2022
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