Boiler house TDS blowdown controls
2
Pressure/temperature limits – BCV4_
Pressure psi g
0
145
290
435
580
572 392 212
A
BCV41 Screwed BSP BCV43 Flanged EN 1092
Steam saturation curve
32 14 -20.2
A
A
10
30
Pressure bar g
2.4 11
The product must not be used in this region. A - A Flanged EN 1092 PN40 and Screwed BSP
Pressure psi g
741
G
E
BCV41 Screwed NPT BCV42 Socket weld BCV43 Flanged ASME
Steam saturation curve
G
F
10
30
51.1
Pressure bar g
The product must not be used in this region.
E - F Flanged ASME class 150 E - G Flanged ASME class 300, Screwed NPT and Socket weld class 3000 (B 16.11)
Pressure psi g
0
145
290
435 493
572 392
J
BCV43 Flanged JIS / KS
Steam saturation curve
212 32 14 -20.2
J
J
34
Pressure bar g
The product must not be used in this region.
J - J Flanged JIS/KS 20K
TI-P403-102 EMM Issue 9
Page 5 of 12
BCV Blowdown Control Valves DN15 to DN50 (½" to 2")
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