Flowmetering Gilflo and ILVA flowmeters 3
Pressure/temperature limits
Pressure psi g
0
145
290
435
580
752
A
B
C
450 400 300 200 100 0
842 752 572 392 212 32
Steam saturation curve
C B
A
0
10
20
30
40
50
Pressure bar g
The product must not be used in this region.
A - A Flanged ASME 300 DN50-DN300 B - B Flanged ASME 300 DN400 C - C Flanged EN 1092 PN40
3.2 32
Body design conditions
ASME 300
PMA Maximum allowable pressure
51.1 bar g @ 38 °C
741 psi g @ 100 °F
TMA Maximum allowable temperature
450 °C @ 23 bar g
842 °F @ 334 psi g
Minimum allowable temperature
0°C
32 °F
ASME 51.1 bar g @ 38 °C
741 psi g @ 100 °F
PMO Maximum operating pressure
DN400
49 bar g @ 65.7 °C 711 psi g @ 150 °F
Minimum operating pressure
0.6 bar g
9 psi g
TMO Maximum operating temperature
450 °C @ 23 bar g
842 °F @ 334 psi g
Minimum operating temperature Note : For lower operating temperatures consult Spirax Sarco.
0°C
32 °F
Maximum viscosity
30 centipoise
D PMX Maximum differential pressure
349 m bar
ASME
77 bar g
1117 psi g
Designed for a maximum cold hydraulic test pressure of:
PN40
60 bar g
870 psi g
TI-P337-08 EMM Issue 9
Page 2 of 7
Gilflo 'B' Flowmeter Pipeline Unit
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