Model LT56 Series Special Sprinklers
Designed specifically for corridors and hallways
K5.6 (80 Metric)
cULus Listed
Bulletin 058 Rev. B November 2016
Model LT56C
Models LT56 & LT56-300
Models LT56L & LT56L-300
Product Features
•
28 ft x 10 ft (8.5 m x 3 m) max. coverage area
•
cULus Listed for Light Hazard occupancies
•
Increased spacing and reduced water demand
in corridors compared with traditional extended
coverage sprinklers
Product Description
Model LT56 series sprinklers are cULus Listed Specific Ap-
plication sprinklers designed for installation in accordance
with NFPA 13. The sprinklers produce a spray pattern that is
specifically designed to cover long narrow spaces, such as
corridors and hallways, with fewer sprinklers and less wa-
ter demand compared with traditional extended coverage
sprinklers.
Model LT56 series sprinklers are quick-response sprinklers
for use in Light Hazard occupancies only. Model LT56 and
Model LT56-300 sprinklers have a glass bulb operating ele-
ment. Model LT56L, LT56L-300, and LT56C sprinklers have
a fusible link operating element. Model LT56, LT56-300,
LT56L, and LT56L-300 sprinklers are available with Model
FV recessed escutcheons, Model FP recessed escutch-
eons, or Model CCP concealed cover plates. Model LT56C
sprinklers require a Model G4 flat concealed cover plate.
Sprinkler Model
Operating
Element
Max. Working
Pressure
psi (bar)
Styles
Coverage
Areas
Sprinkler
Identification
Number (SIN)
LT56
Glass Bulb
250 (17.2)
Pendent, Recessed Pendent or
Conical Concealed Pendent
Table B
RA5814
LT56L
Fusible Link
250 (17.2)
Table C
R5814
LT56-300
Glass Bulb
300 (21)
Table D
RA5914
LT56L-300
Fusible Link
300 (21)
Table E
R5914
LT56C
Fusible Link
175 (12)
Flat Concealed
Table F
RA5994
Table A
www.reliablesprinkler.com
Model LT56C Sprinkler with Model G4 Flat Cover Plate
Model FV Escutheon
Model FV Escutheon
Model FP Escutheon
Model FP Escutheon
Model CCP Cover Plate
