Pipeline ancillaries Ball valves
10
Technical data Flow characteristic
Modified linear
Port
Reduced bore
Leakage test procedure to ISO 5208 (Rate A)/EN 12266-1 (Rate A) Antistatic device (optional) complies with ISO 7121 and BS 5351
Pressure/temperature limits
Pressure psi g
0
145
290
435
580
739
-29 0 50 100 150 200 260
500 392 302 212 122 32 -20.2
A
Steam saturation curve
M40Si2 ISO and M40Si3 ISO - PDR 0.8 seats
B
C
10
20
30
40
51
0
Pressure bar g
The product must not be used in this region.
A - B Flanged ASME 300 A - C Flanged ASME 150
Pressure psi g
0
145
290
435
580
739
-29 0 50 100 150 200 230
446 392 302 212 122 32 -20.2
A
Steam saturation curve
M40Vi2 ISO and M40Vi3 ISO - PTFE seats
B
C
0
10
20
30
40
51
Pressure bar g
Body design conditions
ASME 150 and ASME 300
ASME 150 19 bar g @ 38 °C 276 psi g @ 100 °F ASME 300 51 bar g @ 38 °C 740 psi g @ 100 °F
PMA Maximum allowable pressure
M40Si M40Vi
260 °C @ 0 bar g
500 °F @ 0 psi g
TMA Maximum allowable temperature
230 °C @ 0 bar g
446 °F @ 0 psi g
Minimum allowable temperature
-29 °C
-20.2 °F
10.3 206
ASME 150
13.8 bar g
200 psi g
M40Si
Maximum operating pressure for saturated steam service
ASME 300
17.5 bar g
254 psi g
PMO
M40Vi M40Si M40Vi
10 bar g
145 psi g
260 °C @ 0 bar g
500 °F @ 0 psi g
TMO Maximum operating temperature
230 °C @ 0 bar g
446 °F @ 0 psi g
Minimum operating temperature. Note: For lower operating temperatures consult Spirax Sarco
-29 °C
-20.2 °F
PMX Maximum differential pressure is limited to the PMO
ASME 150
28.5 bar g
413 psi g
Designed for a maximum cold hydraulic test pressure of:
ASME 300
76.5 bar g
1110 psi g
TI-P133-78 CMGT Issue 8
Page 2 of 9
M40Si ISO and M40Vi ISO
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