Boiler house TDS blowdown controls
2
Pressure/temperature limits – BCV7_
PN25
ASME class 125 or ASME class 250
Body design conditions:
JIS / KS 10K
EN
PN25
25.0 bar g @ 120 °C
362 psi g @ 248 °F
ASME 125
11.5 bar g @ 140 °C
166 psi g @ 284 °F
ASME
PMA Maximum allowable pressure
ASME 250
26.7 bar g @ 140 °C
387 psi g @ 284 °F
JIS / KS
JIS / KS 10K
13.7 bar g @ 120 °C
198 psi g @ 248 °F
EN
PN25
300 °C @ 20 bar g
572 °F @ 290 psi g
ASME 125
232 °C @ 8.6 bar g
449 °F @ 125 psi g
ASME
TMA Maximum allowable temperature
ASME 250
232 °C @ 17.2 bar g
449 °F @ 249 psi g
2.4 14
JIS / KS
JIS / KS 10K
300 °C @ 9.8 bar g
572 °F @ 290 psi g
EN
PN25
-10 °C
14 °F
ASME 125
-29 °C
-20 °F
ASME
Minimum allowable temperature
ASME 250
-29 °C
-20 °F
JIS / KS
JIS / KS 10K
-10 °C
14 °F
EN
PN25
22.5 bar g @ 220 °C
326 psi g @ 428 °F
ASME 125
10.0 bar g @ 184 °C
145 psi g @ 363 °F
Maximum operating pressure for saturated steam service
ASME
PMO
ASME 250
18.0 bar g @ 209 °C
261 psi g @ 408 °F
JIS / KS
JIS / KS 10K
12.3 bar g @ 191 °C
178 psi g @ 376 °F
EN
PN25
300 °C @ 20.0 bar g
572 °F @ 290 psi g
ASME 125
232 °C @ 8.6 bar g
449 °F @ 125 psi g
ASME
TMO Maximum operating temperature
ASME 250
232 °C @ 17.2 bar g
449 °F @ 249 psi g
JIS / KS
JIS / KS 10K
300 °C @ 9.8 bar g
572 °F @ 290 psi g
EN
PN25
-10 °C
14 °F
ASME 125
-29 °C
-20 °F
ASME
Minimum operating temperature
ASME 250
-29 °C
-20 °F
JIS / KS
JIS / KS 10K
-10 °C
14 °F
Designed for a maximum cold hydraulic test pressure of:
1.5 x PMA of the relative end connection of choice
TI-P403-102 EMM Issue 9
Page 8 of 12
BCV Blowdown Control Valves DN15 to DN50 (½" to 2")
Powered by FlippingBook