Model CWS Specific Application
Concealed Pendent Vertical Sidewall
Window Sprinkler 5.6 K-factor
Page 1 of 8
DECEMBER 2019
TFP621
IMPORTANT
Refer to Technical Data Sheet
TFP2300 for warnings pertaining to
regulatory and health information.
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.
Worldwide
Contacts
www.tyco-fire.com
General
Description
The TYCO Model CWS Specific Appli-
cation Concealed Pendent Vertical
Sidewall Window Sprinkler is a fast
response, solder-link type sprinkler
which delivers water to window glazing
in a horizontal pattern.
This sprinkler is the first concealed
window sprinkler to be specifically
Listed to provide complete wetting and
coverage for heat strengthened, tem-
pered, or ceramic glass windows using
closed sprinklers. As part of the testing,
the gas flow required to achieve the
time/temperature relationship speci-
fied in ASTM E119 was established in
a test furnace without sprinkler pro-
tection. A window assembly protected
with the Model CWS Window Sprinkler
was then installed in the test furnace,
and the same gas flow conditions were
maintained for a two-hour test period.
No cracking or visible damage to the
window was permitted during the test
period.
The success of the Model CWS Window
Sprinkler is based on its fast response
thermal sensitivity and on its specially
designed deflector which ensures the
spray pattern wets the entire surface
of the window.
Based on successful testing, the Model
CWS Window Sprinkler can be used
as interior protection for windows or
glazing in a sprinklered building or
non-sprinklered building in accordance
with Section 104 of the IBC (“Alternate
Materials, Design and Methods of Con-
struction and Equipment”).
As with any specific application sprin-
kler, the installation instructions
included in this data sheet must be pre-
cisely followed. If there are additional
local or jurisdictional installation stan-
dards/codes for window sprinklers on
glazed window systems, this document
does not relieve the designer/installer
from these requirements. Consult your
local jurisdiction to verify if or when
these additional guidelines must be
followed.
NOTICE
TYCO Model CWS Specific Applica-
tion Window Sprinkler described herein
must be installed and maintained in
compliance with this document, as
well as with the applicable standards
recognized by the approval agency, in
addition to the standards of any author-
ities having jurisdiction. Failure to do so
may impair the performance of these
devices.
The owner is responsible for main-
taining their fire protection system
and devices in proper operating con-
dition. Contact the installing contrac-
tor or product manufacturer with any
questions.
Sprinkler
Identification
Number (SIN)
TY3498
Technical
Data
Approvals
UL and C-UL Listed
Additional Recognition
ICC Evaluation Service (ESR-2397)
Pipe Thread Connection
1/2 in. NPT
Discharge Coefficient
K=5.6 GPM/psi
½
(80,6 LPM/bar
½
)
Temperature Ratings
160°F (71°C) Sprinkler with
139
°
F (59
°
C) Cover Plate
212°F (100°C) Sprinkler with
165°F (74°C) Cover Plate
Finish
See Ordering Procedure section
Physical Characteristics
Body . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Brass
Cap . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Bronze
Saddle . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Brass
Sealing Assembly . .Beryllium Nickel w/TEFLON
Soldered Link Halves . . . . . . . . . . . . . . . . Nickel
Lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Bronze
Compression Screw . . . . . . . . . . . . . . . . . .Brass
Deflector . . . . . . . . . . . . . . . . . . . . Brass/Bronze
Guide Pin Housing . . . . . . . . . . . . . . . . . .Bronze
Guide Pins . . . . . . . . . . . . . . . . . Stainless Steel
Support Cup . . . . . . . . . . . . . . . . . . . . . . . Steel
Cover Plate . . . . . . . . . . . . . . . . . . . . . . . . .Brass
Retainer . . . . . . . . . . . . . . . . . . . . . . . . . Copper
Cover Plate Ejection Spring . . . . Stainless Steel
