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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