RAPID RESPONSE Series LFII Residential Sprinkler
4.4 K-factor Horizontal Sidewall, Dry Type
Wet Pipe System
General
Description
The TYCO RAPID RESPONSE Series
LFII Dry Type Residential Horizontal
Sidewall (HSW) Sprinklers (TY2335)
are dry-type decorative, fast response,
frangible bulb sprinklers designed for
use in residential occupancies such as
homes, apartments, dormitories, and
hotels.
The Series LFII Dry Type Residential
Horizontal Sidewall Sprinklers are typ-
ically used where sprinklers and/or a
portion of the connecting piping are
exposed to freezing temperatures (e.g.,
horizontal sprinkler supplied from wet
systems into unheated areas).
The Series LFII Dry Type Residen-
tial Horizontal Sidewall Sprinklers are
intended for use in Residential Sprin-
kler systems for one- and two-family
dwellings and mobile homes per NFPA
13D; residential sprinkler systems for
residential occupancies up to and
including four stories in height per
NFPA 13R; or, sprinkler systems for the
residential portions of any occupancy
per NFPA 13.
The recessed version is intended
for use in areas with finished walls.
It employs a two-piece Style 20
Recessed Escutcheon. The Recessed
Escutcheon provides 1/4 inch (6,4 mm)
of recessed adjustment or up to 1/2
inch (12,7 mm) of total adjustment from
the flush mounting surface position.
The design of this escutcheon provides
a level of flexibility in adjusting sprinkler
supply connections.
IMPORTANT
Always refer to Technical Data
Sheet TFP700 for the "INSTALLER
WARNING" that provides cautions
with respect to handling and instal-
lation of sprinkler systems and com-
ponents. Improper handling and
installation can permanently damage
a sprinkler system or its compo-
nents and cause the sprinkler to fail
to operate in a fire situation or cause
it to operate prematurely.
Page 1 of 6
The Series LFII Dry Type Residential
Horizontal Sidewall Sprinklers have
been designed with heat sensitivity and
water characteristics proven to help in
the control of residential fires and to
improve the chance for occupants to
escape or be evacuated.
NOTICE
The Series LFII Dry Type Residential
Horizontal Sidewall Sprinklers (TY2335)
described herein must be installed and
maintained in compliance with this
document and the applicable stan-
dards of the National Fire Protection
Association (NFPA), in addition to the
standards of any authorities hav ing
jurisdiction. Failure to do so may impair
the performance of these de vices.
The owner is responsible for main-
taining their fire protection system
and de vices in proper operating con-
dition. Contact the installing contrac-
tor or product manufacturer with any
questions.
Sprinkler
Identification
Number (SIN)
TY2335
Technical
Data
Approvals
UL Listed
Certified to all requirements of
NSF/ANSI 61
(Refer to the Design Criteria section for
details on these approvals.)
Maximum Working Pressure
175 psi (12,1 bar)
MARCH 2016
Worldwide
www.tyco-fire.com
Contacts
Discharge Coefficient
K=4.4 gpm/psi
(63,4 lpm/bar
½
Inlet Thread Connections
1 Inch NPT
ISO 7-R 1
Sprinkler Temperature Rating
155°F (68°C)
Finishes
Natural Brass, Signal White, or Chrome
Plated
Order Lengths
Minimum: 3-3/4 inches (95,3 mm)
Maximum: 24 inches (609,6 mm)
Physical Characteristics
Inlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Brass
Plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Brass
Yoke . . . . . . . . . . . . . . . . . . . . . . . Stainless Steel
Casing . . . . . . . . . . . . . . . . . . . .Galvanized Steel
Insert . . . . . . . . . . . . . . . . . . . . . . . . . . . Bronze
Bulb Seat . . . . . . . . . . . . . . . . . . . Stainless Steel
Bulb . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Glass
Compression Screw . . . . . . . . . . . . . . . . . .Brass
Deflector . . . . . . . . . . . . . . . . . . . . . . . . . . Brass
Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Brass
Guide Tube . . . . . . . . . . . . . . . . . Stainless Steel
Water Tube . . . . . . . . . . . . . . . . . Stainless Steel
Bushing . . . . . . . . . . . . . . . . . . . . . . . . . . . .Brass
Plug Spring . . . . . . . . . . . . . . . . . Stainless Steel
Sealing Assembly . . Beryllium Nickel w/TEFLON
Escutcheon . . . . . . . . . . . . . . . . . . .Carbon Steel
)
½
TFP461
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