C
C
Steam
saturation
curve
C
B
425
A
B
The product must not be used in
this region or beyond the parameter
of the PMA or TMA of the relative
end connection.
JIS/KS 20K
34 bar g @ 120°C
425°C @ 20 bar g
-29°C
30.5 bar g @ 240°C
425°C @ 20 bar g
-29°C
51 bar g
JIS/KS 10K
14 bar g @ 120°C
300°C @ 10 bar g
-29°C
12.5 bar g @ 193°C
300°C @ 10 bar g
-29°C
21 bar g
400
300
200
100
-2
0
9
0
10
20
Pressure bar g
30
34
A - B - B
C - C - C
Body design condition
PMA Maximum allowable pressure
TMA Maximum allowable temperature
Minimum allowable temperature
PMO Maximum operating pressure for saturated steam service
TMO Maximum operating temperature
Minimum operating temperature
Designed for a maximum cold hydraulic test pressure of:
Body design condition
PMA Maximum allowable pressure
TMA Maximum allowable temperature
Minimum allowable temperature
PMO Maximum operating pressure for saturated steam service
TMO Maximum operating temperature
Minimum operating temperature
Designed for a maximum cold hydraulic test pressure of:
DN50
DN65
DN80
DN100
DN125
DN150
For conversion: Cv (UK) = Kv x 0.963 Cv (US) = Kv x 1.156
Size
DN40
Kv
25
43
84
156
353
488
748
1869
3686
5244
8100
DN200
DN250
DN300
DN350
Page 4 of 6
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