Steam traps Sealed
8
Pressure/temperature limits (ISO 6552)
Pressure psi g
0
145
290
435
580
725
32 212 392 572 752
0 100 200 300 400
C
B
A
Steam saturation curve
B A
C
0
10
20
30
40
50
Pressure bar g
The product must not be used in this region. A - B Flanged ASME 300, screwed and socket weld A - C Flanged EN 1092 PN40 A - D Flanged ASME 150
Body design condition
PN50
PMA Maximum allowable pressure
49 bar g @ 38 °C 711 psi g @ 100 °F
TMA Maximum allowable temperature
400 °C @ 28 bar g 752 °F @ 406 psi g
Minimum allowable temperature
-29 °C
-20.2 °F
PMO Maximum operating pressure for saturated steam service
30 bar g
435 psi g
TMO Maximum operating temperature
400°C @ 28 bar g 752 °F @ 406 psi g
Minimum operating temperature Note : For lower operating temperatures consult Spirax Sarco
0 °C
32 °F
SIB30/4 SIB30/5 SIB30/6 SIB30/7
SIB30H/5 SIB30H/6 SIB30H/7
30.0
20.0
12.0
SIB30H/8
8.5
-
SIB30H/10
5.0
PMX Maximum differential pressure
8.8 12
SIB30/8
- -
4.0
SIB30/10
2.5
-
SIB30H/12
2.0
SIB30/12
-
1.5
Designed for a maximum cold hydraulic test pressure of
75 bar g
5.17 psi g
TI-P110-01 CMGT Issue 9
Page 2 of 4
SIB30 and SIB30H Stainless Steel Sealed Inverted Bucket Steam Traps
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