Technical data:
Models
Nominal K-Factor
Response
Thread
Size
Max.
Working
Pressure
Min.
Working
Pressure
Temperature
Rating
Finish
F156
5.6 (80 Metric)
Standard
½” NPT
(R½)
250 PSI
*
7 PSI
See
“Temperature
Ratings” Table
See
“Finish Table”
F142
F1XLH
4.2 (60 Metric)
175 PSI
F128
2.8 (40 Metric)
Material Data:
Frame
Deflector
Load Screw
Pintle
Cup
Washer
Bulb
DZR Brass
QM Brass
CDA Alloy 260,
CDA Alloy 220
or
CDA Alloy 510
CDA Alloy 360
or
CDA Alloy 544
CDA Alloy 360
or
CDA Alloy 544
CDA Alloy 651
or
CDA Alloy 693
Nickel Alloy 440 or Alloy 360
coated with PTFE Adhesive
Tape
Glass
*Note:
Model F156 upright, pendent, and recessed pendent sprinklers (SIN RA1325 and RA1314) are cULus Listed
for 250 psi (17 bar).
2.
Model F142, F1XLH Upright
