Steam traps Thermodynamic
8
Pressure/temperature limits (ISO 6552) - Screwed, Socket weld and Flanged EN 1092
Pressure psi g
0
290 C
580
870 1160
1450
Screwed Socket weld Flanged: PN40 PN100
A
B
32 212 392 572 752 842
0 100 200 300 400 450
Steam saturation curve
C
B
0
20
40
60
80
100
Pressure bar g
The product must not be used in this region or beyond the parameter of the PMA or TMA of the relative end connection.
Body design conditions
PN100
PMA Maximum allowable pressure
100 bar g @ 50 °C
1450 psi g @ 122 °F
TMA Maximum allowable temperature
450 °C @ 58.3 bar g
842 °F @ 846 psi g
Minimum allowable temperature
-50 °C
-58 °F
PMO Maximum operating pressure
46 bar g @ 450 °C
667 psi g @ 842 °F
PN100 Screwed Socket weld
A - B - B
TMO Maximum operating temperature
450 °C @ 46 bar g
842 °F @ 667 psi g
Minimum operating temperature
0 °C
32 °F
Minimum operating pressure
1.5 bar g
22 psi g
Maximum operating backpressure
80% of upstream pressure
Product is safe for use under full vacuum conditions Designed for a maximum cold hydraulic pressure of:
150 bar g
2176 psi g
Body design conditions
PN40
PMA Maximum allowable pressure
40 bar g @ 50 °C
580 psi g @ 122 °F
TMA Maximum allowable temperature
450 °C @ 23.3 bar g
842 °F @ 338 psi g
Minimum allowable temperature
-50 °C
-58 °F
Maximum operating pressure for saturated steam service
8.7 69
PMO
28.4 bar g @ 233 °C
412 psi g @ 451 °F
A - C - C PN40
TMO Maximum operating temperature
450 °C @ 23.3 bar g
842 °F @ 338 psi g
Minimum operating temperature
0 °C
32 °F
Minimum operating pressure
1.5 bar g
22 psi g
Maximum operating backpressure
80% of upstream pressure
Product is safe for use under full vacuum conditions Designed for a maximum cold hydraulic pressure of:
60 bar g
870 psi g
TI-P187-02 CMGT Issue 11
Page 3 of 7
TDS46M Thermodynamic Steam Trap with Maintainable Seat
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