Steam
saturation
curve
Steam
saturation
curve
B
H
C
D
F
curve
E
H
G
Steam
saturation
A
400
A
300
200
100
425
400
300
200
100
0
0
-29
0
10
20
30
40
-29
0
10
20
30
40
51.1
A - B
A - C
A - D
Flanged EN 1092 PN25
Flanged EN 1092 PN40
PMA and TMA
A - E
A - F
Flanged ASME Class 30
Flanged ASME Class 150
PMA and TMA
Pressure bar g
The product must not be used in this region.
Flanged EN 1092 PN16
Pressure bar g
The product must not be used in this region.
Body design conditions
PMA
Maximum allowable
pressure
Maximum allowable
TMA
temperature
Minimum allowable temperature
ASME Class 300
51.1 bar g @ 38 °C
19.6 bar g @ 38 °C
425 °C @ 28.8 bar g
425 °C @ 5.5 bar g
-29 °C
41.5 bar g @ 254 °C
13.6 bar g @ 197 °C
425 °C @ 28.8 bar g
Body design conditions
PMA
Maximum allowable
pressure
TMA
Maximum allowable
temperature
Minimum allowable temperature
Maximum operating
PMO pressure for saturated
steam service
TMO
Maximum operating
temperature
Minimum operating temperature
PN40
ASME 300
ASME 150
ASME 300
ASME 150
PN40
40barg@50°C
PN25
25barg@50°C
PN16
16barg@50°C
PN40 400°C@23.8barg
PN25
400°C@14.8barg
PN16
400°C@ 9.5barg
-29 °C
PN40
30.7barg@237°C
PN25
20barg@215°C
PN16
13.2barg@196°C
PN40 400°C@23.8barg
PN25
400°C@14.8barg
PN16
400°C@ 9.5barg
-29 °C
Maximum operating
PMO pressure for saturated
steam service
TMO
Maximum operating
temperature
Minimum operating temperature
ASME 300
ASME 150
ASME 300
ASME 150
425 °C @
5.5 bar g
-29 °C
Designed for a maximum cold hydraulic test pressure of 1.5 x PMA
Designed for a maximum cold hydraulic test pressure of 1.5 x PMA
425
A
400
300
200
100
0
-29
A - G
A - H
Body design conditions
PMA
Maximum allowable
pressure
TMA
Maximum allowable
temperature
JIS / KS 20
JIS/KS 10
JIS / KS 20
JIS / KS 10
PN40
34 bar g @ 120 °C
14 bar g @ 120 °C
425 °C @ 20.0 bar g
300 °C @ 10.0 bar g
-29 °C
30.1 bar g @ 236 °C
12.4 bar g @ 193 °C
425 °C @ 20.0 bar g
300 °C @ 10.0 bar g
-29 °C
0
10
20
3
0
34
Pressure bar g
The product must not be used in this region.
Minimum allowable temperature
Flanged JIS/KS 20
Flanged JIS/KS 10
PMA and TMA
Maximum operating
PMO pressure for saturated
steam service
TMO
Maximum operating
temperature
JIS / KS 20
JIS / KS 10
JIS/KS 20
JIS/KS 10
Minimum operating temperature
Designed for a maximum cold hydraulic test pressure of 1.5 x PMA
Page 2 of 4
TI-P168-07 ST Issue 2
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