Flowmetering Gilflo and ILVA flowmeters 3
Technical data
24 Vdc if it is loop powered 24 Vdc, 0.25 A when using an RS 485
Power supply
Outputs
4-20 mA loop (proportional to mass flow)
Pulsed output
V max. 28 Vdc, R min. 10 kΩ
Communications port
RS485/Modbus
Pressure/temperature limits
Pressure psi g
464*
0
145
290
435
580
725
752 572 462 392 212 32
0 100 200 300 400 239
3.2 23
Steam saturation curve
0
10
20
30
40
50
32*
Pressure bar g
The product must not be used in this area.
Outside of operating range.
Steam is superheated in this area.
Maximum design pressure
49.6 bar g @ 21 °C
719 psi g @ 70 °F
Maximum design temperature
400 °C @ 29.4 bar g
752 °F @ 426 psi g
Minimum design temperature
0 °C (non-freezing)
32 °F
* 32 bar g @ 239 °C
Maximum operating pressure
* 464 psi g @ 462 °F
Minimum operating pressure
0.6 bar g
9 psi g
Maximum operating temperature (saturation)
239 °C
462 °F
Minimum operating temperature
0 °C (non-freezing)
32 °F
Maximum electronics ambient temperature
55 °C
131 °F
Minimum ambient temperature
0 °C
32 °F
Maximum electronics humidity level
90% RH (non-condensing)
Designed for a maximum cold hydraulic test pressure of:
50 bar g
725 psi g
Glass on the display is rated for impact of maximum
4J
Environment Protection
IP65
Pressure drop The maximum pressure drop across the ILVA pipeline unit is 498 mbar (200 ins water gauge) at maximum rated flow.
TI-P337-70 EMM Issue 9
Page 3 of 7
ILVA20 Flowmeter and MVT10 Differential Pressure Transmitter for Saturated and Superheated Steam Service
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