General
Description
The Series TY-B, 2.8, 5.6, and 8.0
K-factor, Upright and Pendent Sprin-
klers described in this data sheet are
standard response - standard cover-
age, decorative 5 mm glass bulb type
spray sprinklers designed for use in
light, ordinary, or extra hazard, com-
mercial occupancies such as banks,
hotels, shopping malls, factories, refin-
eries, chemical plants, etc.
The recessed version of the Series
TY-B Pendent Sprinkler, where appli-
cable, is intended for use in areas with
a finished ceiling. It uses a two-piece
Style 10 (1/2 inch NPT) or Style 40 (3/4
inch NPT) Recessed Escutcheon. The
Recessed Escutcheon provides 1/2
inch (12,7 mm) of recessed adjust-
ment or up to 3/4 inch (19,1 mm) of
total adjustment from the flush pen-
dent position. The adjustment pro-
vided by the Recessed Escutcheon re-
duces the accuracy to which the fixed
pipe drops to the sprinklers must be
cut.
Corrosion resistant coatings, where
applicable, are utilized to extend the
life of copper alloy sprinklers beyond
that which would otherwise be ob-
tained when exposed to corrosive at-
mospheres. Although corrosion resis-
tant coated sprinklers have passed the
standard corrosion tests of the appli-
cable approval agencies, the testing is
not representative of all possible cor-
rosive atmospheres. Consequently, it
is recommended that the end user be
consulted with respect to the suitability
of these coatings for any given corro-
sive environment. The effects of ambi-
ent temperature, concentration of
chemicals, and gas/chemical velocity,
should be considered, as a minimum,
along with the corrosive nature of the
chemical to which the sprinklers will be
exposed.
An intermediate level version of the
Series TY-B Pendent Sprinkler can be
obtained by utilizing the Series TY-B
Pendent Sprinkler in combination with
the Model S2 Shield.
WARNINGS
The Series TY-B Sprinklers described
herein must be installed and main-
tained in compliance with this docu-
ment, as well as with the applicable
standards of the National Fire Protec-
tion Association, in addition to the
standards of any other authorities hav-
ing jurisdiction. Failure to do so may
impair the performance of these de-
vices.
The owner is responsible for maintain-
ing their fire protection system and de-
vices in proper operating condition.
The installing contractor or sprinkler
manufacturer should be contacted
with any questions.
Model/Sprinkler
Identification
Numbers
TY1151 - Upright 2.8K, 1/2"NPT
TY1251 - Pendent 2.8K, 1/2"NPT
TY3151 - Upright 5.6K, 1/2"NPT
TY3251 - Pendent 5.6K, 1/2"NPT
TY4151 - Upright 8.0K, 3/4"NPT
TY4251 - Pendent 8.0K, 3/4"NPT
TY4851 - Upright 8.0K, 1/2"NPT
TY4951 - Pendent 8.0K, 1/2"NPT
Series TY-B — 2.8, 5.6, and 8.0 K-factor
Upright, Pendent, and Recessed Pendent Sprinklers
Standard Response, Standard Coverage
Page 1 of 8 TFP151
DECEMBER, 2007
Technical Services: Tel: (800) 381-9312 / Fax: (800) 791-5500
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 in-
stallation 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.
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