Harlingen Irr. Dist.
Harlingen Irr. Dist. main feed tributary from the Rio Grande
river.
Heavy Hydrilla growth plagues many pumping stations up and down
the river systems.
Only a non invasive flow meter system can function under conditions
like this.
Intake or suction tubes from 42" up to 55" pull from
the reservoir .
This is a necessary measure to prevent debris and other foreign
objects from clogging the pumps.
A close up shot of the 1/2" x 6" sensors mounted in
a 72" carbon steel line.
The electronics module is located in the background next to an
unused air injection port.
In the event the river clears up to the point that the water
does not carry enough solids for
Doppler readings, the air injector may be turned on to insure
accurate readings.
Overall view of the COMPUFLOW C4D flowmeter system and the 60"
Fairbanks Morse pump.
This system was first installed in 1939 and used a 6 cyl natural
gas engine to turn the pump.
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