Pipeline ancillaries Ball valves
10
Pressure / temperature limits
A
Steam saturation curve
C
B
Pressure bar g
The product must not be used in this region.
A - B Flanged ASME 300 A - C Flanged ASME 150
Body design conditions
ASME 150 and ASME 300
ASME 150
19 bar g @ 38 °C
PMA Maximum allowable pressure
ASME 300
51 bar g @ 38 °C
TMA Maximum allowable temperature
260 °C @ 0 bar g
Minimum allowable temperature
-29 °C
PMO Maximum operating pressure for saturated steam service
17.5 bar g
TMO Maximum operating temperature
260 °C @ 0 bar g
Minimum operating temperature Note : For lower operating temperatures consult Spirax Sarco
-29 °C
PMX Maximum differential pressure is limited to the PMO
ASME 150
28.5 bar g
Designed for a maximum cold hydraulic test pressure of
ASME 300
76.5 bar g
10.3 236
TI-P133-88 CMGT Issue 3
Page 2 of 9
M40HTi (Tobacco) Reduced Bore Ball Valve DN25 to DN150 Flanged ASME 150 and ASME 300
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