Boiler house

TDS blowdown controls

Pressure / temperature limits – BCV4_

BCV41 Screwed BSP

BCV43 Flanged EN 1092

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B - C

B - D

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E-G

E-H

The product must not be used in this region.

Flanged EN 1092 PN40 and Screwed BSP

Flanged EN 1092 PN63

Flanged EN 1092 PN100

B

A

A

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Steam

saturation

curve

BCV Blowdown Control Valves DN15 to DN50 (1⁄2" to 2")

G

C

A

Pressure psi g

D

H

C

D

BCV41 Screwed NPT

BCV42 Socket weld

BCV43 Flanged ASME

BCV44 Butt weld

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saturation

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The product must not be used in this region.

Flanged ASME class 150

Flanged ASME class 300, Screwed NPT and Socket weld class 3000 (B 16.11)

Flanged ASME class 600, Socket weld class 6000 (B 16.11) and Butt weld

F

curve

G

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J - J

K - K

L - L

Pressure bar g

The product must not be used in this region.

Flanged JIS/KS 20K

Flanged JIS/KS 30K

Flanged JIS/KS 40K

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L

M

BCV43 Flanged JIS / KS

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saturation

curve

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TI-P403-102 AB Issue 4

Page 5 of 14

2.4.10

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