Steam traps Manifolds and insulation jackets
8
Pressure / temperature limits
Pressure psi g
284
740
0
145
290
435
580
725
797
425
100 200 300 400
752 572 392 212 32
A
Steam saturation curve
C
B
0
-46
-50.8
0
10
20
30
40
50
19.6 Pressure bar g
51
The product must not be used in this region. A - B Flanged ASME Class 300, screwed and socket weld. A - C Flanged ASME Class 150.
Body design conditions
ASME B16.5 Class 300
PMA Maximum allowable pressure
51 bar g @ 38 °C
740 psi g @ 100 °F
TMA Maximum allowable temperature
425 °C @ 28 bar g
797 °F @ 406 psi g
Minimum allowable temperature
-46 °C
-50.8 °F
ASME 150
14 bar g
203 psi g
Maximum operating pressure for saturated steam service
PMO
ASME 300, SW, NPT and BSP
41.5 bar g
602 psi g
ASME 150
425 °C @ 5.5 bar g
797 °F @ 80 psi g
TMO Maximum operating temperature
ASME 300, SW, NPT and BSP 425 °C @ 28 bar g
797 °F @ 406 psi g
Minimum operating temperature Note: For lower operating temperatures consult Spirax Sarco
0 °C
32 °F
Designed for a maximum cold hydraulic test pressure of
77 bar g
1117 psi g
8.10 2
Kv values All sizes
Kv 1.8
For conversion: Cv (UK) = Kv x 0.963 Cv (US) = Kv x 1.156 The Kv stated is for each valve rather than the complete manifold.
TI-P117-40 CMGT Issue 5
Page 2 of 6
MSC-125 and MSC-160 Manifolds for Steam Distribution and Condensate Collection
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