Pipeline ancillaries Ball valves
10
Pressure/temperature limits
-29 0 50 100 150 200 260 310
Steam saturation curve
0
10
20
30
40
Pressure bar g
The product must not be used in this region. The product can only be used in this region for short periods of time.
Body design conditions
PN40
40 bar g @ 120 ° C
PMA Maximum allowable pressure
310 ° C @ 0 bar g For continuous operation, the maximum temperature is 260 °C 310 °C is for short periods only
TMA Maximum allowable temperature
-29 ° C
Minimum allowable temperature
PMO Maximum operating pressure for saturated steam service
32 bar g
260 ° C @ 0 bar g
TMO Maximum operating temperature
Minimum operating temperature Note: For lower operating temperatures consult Spirax Sarco. PMX Maximum differential pressure is limited to the PMO Designed for a maximum cold hydraulic test pressure of:
-29 ° C
60 bar g
7.3.185
10.3 188
TI-P133-85 CMGT Issue 3
Page 2 of 9
M21Hi ISO Reduced Bore Ball Valve
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