Pipeline ancillaries Bellows sealed stop valves
10
Pressure/temperature limits (Class 800)
Pressure psi g
0
290
580
870
1160
1436 1740 1973
797 572 392 212 32 -20.2
752
Steam saturation curve
Pressure bar g
The product must not be used in this region. Operating restrictions to conform to ISO 15761.
Body design conditions
Class 800
PMA Maximum allowable pressure
136 bar g
1973 psi g
TMA Maximum allowable temperature
425 °C
797 °F
Minimum allowable temperature
-29 °C
-20.2 °F
Maximum operating pressure
99 bar g @ 360 °C
1436 psi g @ 680 °F
PMOMaximum operating pressure for extended bellows life
40 bar g @ 400 °C
580 psi g @ 752 °F
Maximum operating temperature
425 °C
797 °F
TMO Maximum operating temperature for extended bellows life
400 °C @ 40 bar g
752 °F @ 580 psi g
Minimum operating temperature
-29 °C
-20.2 °F
Without the bellows fitted the unit is designed for a maximum cold hydraulic test pressure of: 212 bar g
3075 psi g
7.1.3
10.1 2
TI-P132-09 CMGT Issue 8
Page 2 of 5
A3S and A3SS Bellows Sealed Stop Valve
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