Product Handbook 2026 - Volume 1

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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