Steam traps Steam trap management
8
Pressure/temperature limits
* CRN approved ST14 DN40 and DN50 units must not be used in this region.
Pressure psi g
0
73 145 218 290 363 435 464
464 392
ST14
212
Steam saturation curve
32
Pressure bar g
Pressure psi g
0
73 145 218 290 363 435
464 392
The product must not be used in this region.
ST16
212
Steam saturation curve
32
Pressure bar g
5.1.4
Pressure psi g
464
0
73 145 218 290 363 435
464 392
ST17
212
Steam saturation curve
32
8.1 3
Pressure bar g
Body design conditions
PN40
PMA Maximum allowable pressure
32 bar g
464 psi g
TMA Maximum allowable temperature
240 °C
464 °F
Minimum allowable temperature
0 °C
32 °F
32 bar g
464 psi g
ST14
*CRN approved DN40 (1½") and DN50 (2")
30 bar g
435 psi g
Maximum operating pressure for saturated steam service
PMO
ST16
25 bar g
363 psi g
ST17
32 bar g
464 psi g
TMO Maximum operating temperature
240 °C
464 °F
Minimum operating temperature
0 °C
32 °F
D PMX Maximum differential pressure is limited to the PMO Designed for a maximum cold hydraulic test pressure:
60 bar g
870 psi g
Note: With sensor fitted, test pressure must not exceed:
32 bar g
464 psi g
TI-P086-17 EMM Issue 3
Page 3 of 6
Spiratec ST14, ST16 and ST17 Sensor Chambers and Sensors
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