Product Handbook 2026 - Volume 2

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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