Boiler house TDS blowdown controls
2
Pressure/temperature limits – BCV6_
Body design conditions:
PN40, JIS / KS 20K
ASME class 150, class 300
EN
PN40
40 bar g @ 100 °C
580 psi g @ 212 °F
ASME 150
19.0 bar g @ 38 °C
275 psi g @ 100 °F
ASME
PMA Maximum allowable pressure
ASME 300
49.6 bar g @ 38 °C
719 psi g @ 100 °F
JIS / KS
JIS / KS 20K
34 bar g @ 120 °C
493 psi g @ 248 °F
EN
PN40
400 °C @ 27.4 bar g
752 °F @ 397 psi g
ASME 150
538 °C @ 1.4 bar g
1 000 °F @ 20 psi g
ASME
TMA Maximum allowable temperature
ASME 300
538 °C @ 25.2 bar g
1 000 °F @ 365 psi g
JIS / KS
JIS / KS 20K
425 °C @ 20 bar g
797 °F @ 290 psi g
2.4 12
EN
PN40
-10 °C
14 °F
ASME 150
-29 °C
-20 °F
ASME
Minimum allowable temperature
ASME 300
-29 °C
-20 °F
JIS / KS
JIS / KS 20K
-10 °C
14 °F
EN
PN40
32.2 bar g @ 240 °C 467 psi g @ 464 °F
ASME 150
13.8 bar g @ 197 °C 200 psi g @ 386 °F
Maximum operating pressure for saturated steam service
ASME
PMO
ASME 300
33.8 bar g @ 242 °C 490 psi g @ 467 °F
JIS / KS
JIS / KS 20K
30.6 bar g @ 236 °C 443 psi g @ 456 °F
EN
PN40
400 °C @ 27.4 bar g
797 °F @ 397 psi g
ASME 150
538 °C @ 1.4 bar g
1 000 °F @ 20 psi g
ASME
TMO Maximum operating temperature
ASME 300
538 °C @ 25.2 bar g
1 000 °F @ 365 psi g
JIS / KS
JIS / KS 20K
425 °C @ 20 bar g
797 °F @ 290 psi g
EN
PN40
-10 °C
14 °F
ASME 150
-29 °C
-20 °F
ASME
Minimum operating temperature
ASME 300
-29 °C
-20 °F
JIS / KS
JIS / KS 20K
-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 6 of 12
BCV Blowdown Control Valves DN15 to DN50 (½" to 2")
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