Steam traps Thermodynamic
8
Pressure / temperature limits
Pressure psi g
0
290
580 667
970
1160
1440
32 212 392 572 797
Steam saturation curve
Pressure bar g
The product must not be used in this region. The product should not be used in this region. Note: The model of pipeline connector and connection selected will dictate the maximum operating limits of the complete assembly. Reference the specific pipeline connector Technical Information sheet as detailed in 'Pipeline connector options'.
Body design conditions
ASME Class 600
99.3 bar g @ 38 ° C 1,440 psi g @ 100 °F
PMA Maximum allowable pressure
425 ° C @ 56 bar g
TMA Maximum allowable temperature
797 °F @ 812 psi g
-40 ° C
Minimum allowable temperature
-40 °F
46 bar g @ 425 ° C 667 psi g @ 797 °F
PMO Maximum operating pressure
425 ° C @ 46 bar g
TMO Maximum operating temperature
797 °F @ 667 psi g
Minimum operating pressure
1.5 bar g
22 psi g
0 ° C
Minimum operating temperature
32 °F
Note: For lower operating temperatures consult Spirax Sarco PMOB Maximum operating backpressure is 80% of the upstream pressure Designed for a maximum cold hydraulic test pressure of
149 bar g
2,161 psi g
8.7 76
TI-P187-03 CMGT Issue 7
Page 2 of 6
UTDS46M Stainless Steel Thermodynamic Steam Trap for use with Pipeline Connectors
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