Applications; Gas Or Liquid (With Solids In Suspension) Flow Measurement - ABB 2600T-Serie Bedienungsanleitung

5 Applications

5.1 Steam (condensable vapor) or clean liquids flow
measurement
— Place taps to the side of the line.
— Mount beside or below the taps.
— Mount the drain/vent valve upward.
In case of steam application fill the vertical section of the
connecting lines with a compatible fluid through the dedicated
filling tees because the process fluid must enter the transmitter
measuring chambers. Then:
— Open equalizing valve (C)
— Close low pressure (B) and high pressure (A) valves .
— Open gate valves
— Slowly open high pressure (A) valve to admit process fluid
to both sides of primary.
— Vent or drain the primary unit and then close the valves.
— Open the (B) valve and close the equalizing valve.
Figure 8: Steam or clean liquid flow measurement
5.2 Gas or liquid (with solids in suspension) flow
measurement
— Place the taps to the top or side of the line.
— Mount the transmitter above the taps.
The process fluid must enter the transmitter primary:
— Open equalizing valve (C)
— Close low pressure (B) and high pressure (A) valves .
— Open gate valves
— Slowly open high pressure (A) valve to admit process fluid
to both sides of primary.
— Vent or drain the primary unit and then close the valves.
— Open the (B) valve and close the equalizing valve.
14 SOI/266-XC Rev. D | 2600T Series Pressure transmitters
Figure 9: Gas or liquid flow measurement
5.3 Liquid level measurements on closed tanks and
non condensable fluids (dry leg)
— Mount the transmitter at the same height or below the
lowest level to be measured.
— Connect the + (H) side of the transmitter to the bottom of
the tank.
— Connect the - (L) side of the transmitter to the upper part
of the tank, above the maximum level of the tank.
Figure 10: Level measurement on closed tank with dry leg
5 Applications