IM-P128-23 ST Issue 6
8
System design conditions PN40
PMA Maximum allowable pressure 40 bar g @ 120°C (580 psi g @ 248°F)
TMA Maximum allowable temperature 230°C @ 10 bar g (446°F @ 145 psi g)
Minimum allowable temperature -10°C (14°F)
Maximum operating
ASME 150 13.6 bar g (197 psi g)
PMO
pressure for saturated
steam service
All other connections 17.5 bar g (294 psi g)
TMO Maximum operating temperature 230°C @ 10 bar g (446°F @ 145 psi g)
Minimum operating temperature -10°C (14°F)
Designed for a maximum cold
hydraulic test pressure of:
60 bar g (870 psi g)
Temperature °C
Pressure psi g
Steam
saturation
curve
Temperature °F
Pressure bar g
2.3 Pressure /temperature limits
The product must not be used in this region.
A - B Flanged ASME Class 300, screwed and socket weld.
A - C Flanged EN 1092 PN40.
A - D Flanged ASME Class 150.
A
D
C
B
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