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Primary-flow-elements
-
Venturi-Tubes
Element
Flöde
Primary-flow-elements
Venturi-Tubes
FLC-VT-BAR
Venturi tube FLC-VT-BAR
From bar stock
Venturi tubes are reliable, easy to use and low-maintenance
Venturi tubes are particularly suitable for the measurement
of clean liquids and gases. The main advantages of a Venturi
tube over other differential pressure flow meters are the higher
pressure recovery and the lower upstream and downstream pipe
requirements.
At the upstream side, the instrument consists of a gradually
decreasing nozzle, through which the medium in a pipe is
accelerated. The downstream side is a gradually increasing diffuser
section, which enables a high pressure recovery.
Suitable for liquid, gas and steam flow measurement
Accuracy 0.5 % of actual flow rate
Repeatability of measurement 0.1 %
Lowest pressure loss in the family of primary flow elements
Calibration may be performed if required
The differential pressure generated by the primary flow element is
normally transformed into an electrical signal proportional to the
flow rate by a differential pressure transmitter.
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