TFP340
Page 2 of 6
Operation
A fusible alloy is sealed into a bronze
actuating rod (center strut) by a stain-
less steel ball. When the alloy melts at
its rated temperature, the ball is forced
upward into the center strut, releas-
ing the two ejectors and operating the
sprinkler.
Design
Criteria
UL and C-UL
Listing Requirements
TYCO Series ELO-231 11.2K Stan-
dard Response, Standard Coverage
Upright and Pendent Sprinklers are
to be installed in accordance with
NFPA 13 standard sprinkler posi-
tion and area/density flow calcula-
tion requirements for light, ordinary,
or extra hazard occupancies, as well
as high piled storage occupancies,
such as solid piled, palletized, rack
storage, bin box, and shelf storage
including but not limited to Class I-IV
and Group A plastics, with a minimum
residual (flowing) pressure of 7 psi
(0,5 bar) for wet or dry pipe systems.
FM Approval Requirements
The 11.2 K-factor, Model ELO-231
Sprinklers are to be installed in accor-
dance with the applicable control mode
density/area guidelines provided by FM
Global.
Note: FM Approval guidelines may
differ from UL and C-UL Listing criteria.
Item
Description
Sprinkler Identification Number (SIN)
TY5111 – Upright - 3/4 in. NPT
TY5211 – Pendent - 3/4 in. NPT
TY5811 – Upright - 1/2 in. NPT
TY5111 is a redesignation for Central SIN C5111.
TY5211 is a redesignation for Central SIN C5211.
TY5811 is a redesignation for Central SIN C5811.
K-factor, (gpm/psi) (lpm/bar)
11.2 gpm/psi
½
(161,4 lpm/bar
½
)
Temperature Rating ºF (ºC)
1
165°F (74°C)
1
212°F (100°C)
286°F (141°C)
Thread Size
3/4 in. NPT or ISO 7-R 3/4
1/2 in. NPT
Sprinkler Orientation
Upright/Pendent
Maximum Working Pressure, psi (bar)
175 psi (12,1 bar)
NOTES
1. Refer to Table C for laboratory listings and approvals.
*
*
PENDENT
TY5211
UPRIGHT
TY5811
UPRIGHT
TY5111
CROSS
SECTION
2-13/16"
(71,4 mm)
TYP.
WRENCH
FLATS
THREAD
RELIEF
3/4"
NPT
3/4"
NPT
1/2" (12,7 mm)
NOMINAL MAKE-IN
1/2" (12,7 mm)
NOMINAL MAKE-IN
7/16" (11,1 mm)
NOMINAL MAKE-IN
1/2"
NPT
2
6
8
9
7
4
5
3
1
Compression
Strut
Assembly
Components:
Seal Disc
Cap
Frame
Strut Clip
Spring
Ejector
Spring
Helper
Deflector
Screw
-
4
8
9 -
-
5
7
6 -
-
-
1
2
3
-
-
-
indicated on
rating is
Temperature
deflector
FIGURE 1
SERIES ELO-231 11.2K UPRIGHT - 3/4 IN. NPT (TY5111), UPRIGHT - 1/2 IN. NPT (TY5811), AND
PENDENT - 3/4 IN. NPT (TY5211) SPRINKLERS
TABLE A
SERIES ELO-231 UPRIGHT AND PENDENT SPRINKLER
TECHNICAL DATA
