Control systems Self-acting controls
4
Pressure/temperature limits
Pressure psi g
73
145
218
290
363
A
662 572 450 392 212 32
BM and BMRA
Steam saturation curve
C
B
Pressure bar g
Pressure psi g
29
58
87
116 145
174 203 232
A
428 392 302 212 122 32
BMF and BMFRA
Steam saturation curve
D
4.5 17
Pressure bar g
The product must not be used in this region. When the valve is operated with a self-acting temperature control system in this region a Spirax Sarco spacer must be used in conjunction with the system. A - B Flanged EN 1092 PN25 and ANSI 300 A - C Flanged ANSI 150 A - D Flanged EN 1092 PN16
BM and BMRA
PN25
Body design conditions
BMF and BMFRA
PN16
Fitted to a Spirax Sarco spacer
350 °C
662 °F
BM and BMRA
Fitted directly to the actuator
232 °C
450 °F
Maximum design temperature
BMF and BMFRA
220 °C
428 °F
BM
17.2 bar
247 psi
BMRA
10.3 bar
149 psi
Maximum differential pressure
BMF
16.0 bar
232 psi
BMFA
10.3 bar
149 psi
BM and BMRA
38 bar g
551 psi g
Designed for a maximum cold hydraulic test pressure of:
BMF and BMFRA
24 bar g
348 psi g
TI-P036-01 CTLS Issue 7
Page 3 of 6
BM, BMRA, BMF and BMFRA Self-acting Control Valves
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