Product Handbook 2026 - Volume 2

Steam traps Thermodynamic

8

Pressure/temperature limits (ISO 6552)

Pressure psi g

0

725

1450

2175

2900 3190 3625

1022 932

A

752

572

B

H J

392

Steam saturation curve

212

G

F

D

C

E

32

*

Pressure bar g

The product must not be used in this region. A - B Flanged to EN 1092 PN250, socket weld and butt weld ends. A - C Flanged to ASME (ANSI) Class 1500. A - D Flanged to EN 1092 PN160.

A -E Flanged to ASME (ANSI) Class 900. A-H-F Flanged to ASME (ANSI) Class 600. A-J-G Flanged to EN 1092 PN100.

Note : If the product is used at pressures above 170 bar g (2466 psi g) we would recommend regular inspection of the seat.

Body design conditions

PN250

PMA Maximum allowable pressure

250 bar g @ 300 °C

3625 psi g @ 572 °F

TMA Maximum allowable temperature

550 °C @ 80 bar g

1022 °F @ 1160 psi g

Minimum allowable temperature

-29 °C

-20.2 °F

8.7 101

PMO * Maximum operating pressure for saturated steam service

220 bar g @ 374 °C

3190 psi g @ 705 °F

TMO Maximum operating temperature

550 °C @ 80 bar g

1022 °F @ 1160 psi g

Minimum operating temperature Note : For lower operating temperatures consult Spirax Sarco

0 °C

32 °F

PMOB Maximum operating backpressure should not exceed 50% of the upstream pressure Minimum operating differential pressure

8 bar g

116 psi g

Product is safe for use under full vacuum conditions Designed for a maximum cold hydraulic test pressure of:

375 bar g

2438 psi g

TI-P150-11 CMGT Issue 6

Page 3 of 6

TD120M High Pressure Thermodynamic Steam Trap with Replaceable Seat

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