Features
• Type 316 stainless steel alloy frame, deflector, and cap
• cULus Listed and FM Approved as Corrosion Resistant
sprinklers
• Available as Upright, Pendent, or Recessed Pendent
sprinklers
• Available with polyester finishes
Product Description
Model F1-SS series sprinklers are standard spray, standard-re-
sponse sprinklers intended for installation in accordance with
NFPA 13. The sprinklers are cULus Listed and FM Approved
as Corrosion Resistant sprinklers and feature a frame, deflec-
tor, and cap made of Type 316 stainless steel alloy.
Model F1-SS series sprinklers include upright and pendent
sprinklers. Model F1-SS series pendent sprinklers are cULus
Listed for installation with Reliable Model F1 and FP recessed
escutcheons. The Reliable Model F2 escutcheon is cULus
Listed and FM Approved for use with Model F1-SS series
sprinklers. Reliable Model B one-piece escutcheons are also
available. All escutcheons listed in this bulletin are manufac-
tured Type 316 stainless steel alloy.
All Model F1-SS series sprinklers use a 5 mm glass bulb oper-
ating element and beryllium-nickel alloy sealing washer gold
plated per MIL-G-45204, Type 3, Class 2 with PTFE tape on
both sides.
Sprinkler Model
Nominal K-Factor
gpm/psi
1/2
(l/min/bar
1/2
)
Thread Size
NPT or ISO7-1
Sprinkler
Identification
Number (SIN)
F1-56SS Pendent
5.6 (80)
1/2
RA6414
F1-56SS Upright
5.6 (80)
1/2
RA6424
F1-80SS Pendent
8.0 (115)
3/4
RA6412
F1-80SS Upright
8.0 (115)
3/4
RA6422
Table A
www.reliablesprinkler.com
F1-80SS Upright
F1-56SS Upright
F1-56SS Pendent
F1-80SS Pendent
Model F1
Recessed Escutcheon
Model FP
Recessed Escutcheon
Model B
Escutcheon
Model F2
Recessed Escutcheon
cULus Listed, FM Approved
Model F1-SS Series Stainless Steel Sprinklers
Standard spray, standard-response
Bulletin 064 December 2019