Pipeline ancillaries Ball valves
10
Technical data Flow characteristic
Modified linear
Port
Reduced bore
Leakage test procedure to ANSI B16.104 Class IV Antistatic device (optional) complies with ISO 7121 and BS 5351
Pressure / temperature limits
A
Steam saturation curve
C B
Pressure bar g
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
21 bar g @ 260 °C
ASME 150
260 °C @ 11.7 bar g
TMA Maximum allowable temperature
ASME 300
260 °C @ 21 bar g
Minimum allowable temperature
-29 °C
ASME 150
13.8 bar g
PMO Maximum operating pressure for saturated steam service
ASME 300
21 bar g
ASME 150
260 °C @ 11.7 bar g
TMO Maximum operating temperature
ASME 300
260 °C @ 21 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
10.3 278
TI-P133-102 CMGT Issue 2
Page 2 of 9
M45i ISO Reduced Bore Ball Valve DN25 to DN150 Flanged ASME 150 and ASME 300
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