Steam traps Sealed
8
Pressure/temperature limits
Pressure psi g
*
435
719
0
290
580
145
400 285 250 200 100 0 -29
752 545 482 392 212 32 -20.2
A
Steam saturation curve
D
C B
*
30
49.6
0
20
40
10
Pressure bar g
The product must not be used in this region. The product should not be used in this region or beyond its operating range as damage to the internals may occur.
A - B Screwed, socket weld and flanged Class 300. A - C Flanged EN 1092 PN40. A - D Flanged ASME (ANSI) 150.
Body design conditions
Class 300
PMA Maximum allowable pressure
49.6 bar g @ 50 °C 719 psi g @ 122 °F
TMA Maximum allowable temperature
400 °C @ 27.8 bar g
752 °F @ 403 psi g
Minimum allowable temperature
-29 °C
-20.2 °F
PMO Maximum operating pressure
30 bar g @ 235 °C 435 psi g @ 455 °F
TMO Maximum operating temperature
285 °C @ 30 bar g
545 °F @ 435 psi g
Minimum operating temperature
0 °C
32 °F
Note: For lower operating temperatures consult Spirax Sarco Designed for a maximum cold hydraulic test pressure of
75 bar g
1088 psi g
8.8 3
Capacities
Differential pressure psi (x 100 = kPa)
14.5
29 43.5
58 72.5
145
290 435
6613
Hot water capacity Cold water capacity
4409
2204
1102 881 661
440
220
Differential pressure bar (x 100 = kPa)
TI-P120-01 CMGT Issue 8
Page 3 of 4
SBP30 Stainless Steel Sealed Balanced Pressure Thermostatic Steam Trap
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