TFP620
Page 2 of 8
Technical
Data
Approvals
UL and C-UL Listed
NYC under MEA 289-04-E
Approvals only apply to the service
conditions indicated in the Design Cri-
teria section.
Additional Recognition
ICC Evaluation Service (ESR-2397)
Ontario Building Code
Pipe Thread Connection
1/2 in. NPT
Discharge Coefficient
K=5.6 GPM/psi
½
(80,6 LPM/bar
½
)
Temperature Ratings
155 °F (68 °C)
200 °F (93 °C)
Finish
Natural Brass
Signal White (RAL9003) Polyester
Jet Black (RAL9005) Polyester
Chrome Plated
Physical Characteristics
Frame . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Brass
Button . . . . . . . . . . . . . . . . . . . . .Bronze/Copper
Sealing Assembly . .Beryllium Nickel w/TEFLON
Bulb . . . . . . . . . . . . . . . . . . . . . Glass (3 mm dia.)
Compression Screw . . . . . . . . . . . . . . . . . .Brass
Deflector . . . . . . . . . . . . . . . . . . . . Brass/Bronze
Operation
The glass bulb contains a fluid that
expands when exposed to heat. When
the rated temperature is reached, the
fluid expands sufficiently to shatter the
glass bulb, allowing the sprinkler to
activate and water to flow.
Temperature
1-5/8" DIA.
(41,3 mm)
NPT
WATERWAY
OF SPRINKLER
CENTERLINE
NOMINAL MAKE-IN
7/16" (11,1 mm)
Screw
Deflector
-
6
THREAD
1/2"
RELIEF
Components:
Button
Sealing
Compression
Frame
Assembly
1 -
-
-
-
-
5
4
2
3
Bulb
(54,0 mm)
FLATS
WRENCH
2-1/8"
WINDOW
(20,6 mm)
13/16"
TOWARDS
DEFLECTOR
ORIENT
INDICATED TOP
DEFLECTOR
OF SPRINKLER
SPRINKLER
FRAME ARMS
1
2
3
4
5
6
indicated on
rating is
Deflector.
CROSS SECTION PLAN
SIDE ELEVATION
*
*
*
NOMINAL MAKE-IN
7/16" (11,1 mm)
SPRINKLER
DEFLECTOR
TOP OF
Compression
3
(15,9 mm)
CENTERLINE
WATERWAY
OF SPRINKLER
5
4
5/8"
6
Assembly
2
1
Components:
Frame
Button
Sealing
-
1
3
2
-
-
4
6
5
- Deflector
Screw
Bulb
-
-
SPRINKLER
TOWARDS
WINDOW
ORIENT
FLOW ARROW
(INDICATED ON
DEFLECTOR)
ARMS
FRAME
2-1/16"
(52,4 mm)
1-1/32"
(26,2 mm)
rating is indicated
Temperature
on Deflector.
WRENCH
FLATS
1/2"
NPT
2-1/8"
(54,0 mm)
TOWARDS WINDOW ELEVATION
CROSS SECTION
*
*
*
FIGURE 1
MODEL WS WINDOW SPRINKLER
HORIZONTAL SIDEWALL
FIGURE 2
MODEL WS WINDOW SPRINKLER
PENDENT VERTICAL SIDEWALL