Steam traps Sealed
8
Pressure/temperature limits
Pressure psi g
0
290
580
870
1160
1450
B
A
842 752 572 392 212 32
450 400 300 200 100 0
C
Steam saturation curve
A
C
B
0
20
40
60
80
100
Pressure bar g
The product must not be used in this region. A - A Screwed, butt weld, socket weld, flanged DIN 2547 PN100 and ANSI 600.
B - B Flanged ANSI 300. C - C Flanged ANSI 150.
Body design conditions
PN100
PMA Maximum allowable pressure
100 bar g @ 37 °C 1450 psi g @ 98.6 °F
TMA Maximum allowable temperature
450 °C @ 54 bar g
842 °F @ 783 psi g
Minimum allowable temperature
-254 °C
-425 °F
5.8.16
PMO Maximum operating pressure for saturated steam service
60 bar g
870 psi g
TMO Maximum operating temperature
450 °C @ 54 bar g
842 °F @ 783 psi g
Minimum operating temperature
0 °C
32 °F
Note: For lower operating temperatures consult Spirax Sarco
SIB45/10
4.5 bar
65 psi g
SIB45/6
20.0 bar
290 psi g
PMX Maximum differential pressure
SIB45/5
45.0 bar
653 psi g
8.8 17
Product is safe for use under full vacuum conditions Designed for a maximum cold hydraulic test pressure of
150 bar g
2176 psi g
TI-P110-02 CMGT Issue 9
Page 3 of 5
SIB45 Stainless Steel Sealed Inverted Bucket Steam Trap
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