44
Control systems Self-acting controls
Sizes and pipe connections 1¼", 1½", 2" Screwed BSP T Rp (ISO 7-1) or NPT
Pressure/temperature limits
Pressure psi g
0
72.5
145
217
290
362
500 392
Steam saturation curve
212
32
Pressure bar g
The product must not be used in this region.
Body design conditions
PN25
Maximum design pressure
25 bar g @ 120 °C 363 psi g @ 248 °F
4.5 52
Maximum design temperature
260 °C @ 10.5 bar g
500 °F @ 152 psi g
Minimum design temperature
-10 °C
14 °F
Maximum operating pressure for saturated steam service
17.5 bar g
254 psi g
Maximum operating temperature
260 °C @ 10.5 bar g
500 °F @ 152 psi g
Minimum operating temperature
0 °C
32 °F
Size
1¼"
1½"
2"
Maximum differential pressure
bar
psi
bar
psi
bar
psi
9.0
131
8.2
119
6.9
100
Designed for a maximum cold hydraulic test pressure of
38 bar g
551 psi g
TI-P078-03 CTLS Issue 13
Page 2 of 5
KY51 Bronze Self-acting Control Valves
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