Product Information

Venturi tube

Stockcode: Models FLC-VT-BAR, FLC-VT-WS

Applications of the Venturi tube:
Power generation
Oil production and refining
Water treatment and distribution
Gas processing and transmission
Chemical and petrochemical industry

Special Features of the Venturi tube:
Suitable for liquid, gas and steam flow measurement
Accuracy ≤ ±0.5 % of actual flow rate
Repeatability of measurement 0.1 %
Ensure the lowest pressure loss in the family of primary flow elements
Calibration may be performed if required

Description of the Venturi tube:
A Venturi tube is a reliable and easily-managed and maintained instrument that can measure a wide range of clean liquids and gases.

The main advantage of a Venturi tube over other differential pressure flow measuring instruments is the higher pressure recovery and the lower upstream and downstream straight pipe length requirements.
The Venturi tube consists of a gradually decreasing nozzle, through which the fluid in a pipe is accelerated, followed by a gradually increasing diffuser section. The diffuser section allows the fluid to nearly regain its original pressure.

Due to the fact that a major part of the output pressure is regained, the Venturi tube is particularly suited for the measurement of flow rates in systems with a low pressure differential. Thanks to the low pressure loss the cost of pumping the fluid can be reduced to a minimum.

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About us

Specialists in pressure, temperature, level, flow and related calibration instruments, WIKA Instrument Limited is the UK subsidiary of the world’s leading manufacturers of instrumentation. Established in 1972, WIKA has fast become the industry leader in lean manufacturing.

We employ a strong technical team ensuring customers are provided with consistent technical support on a variety of applications for pressure and temperature measuring instrumentation.

WIKA Instruments produces over 40 million gauges, diaphragm seals, transmitters and thermometers worldwide annually. Our wide product range includes;

• Pressure Measurement - Pressure transducers & transmitters, Submersible pressure transmitter, Pressure switches, Ex-versions, Intelligent / bus compatible, Process transmitters, Digital gauges, Digital indicators

Pressure gauges with electrical output signal, Pressure gauges with switch contacts, Mechanical pressure switches

Relative pressure with bourdon tube (0.6bar - 7000bar). Relative pressure with diaphragm element (16mbar - 40bar), Relative pressure with capsule element (2,5 - 600mbar), Absolute pressure, Differential pressure

• Diaphragm Seals - Threaded process connections, Flanged connection, Sterile connection, Hydra-line diaphragm seal systems, Diaphragm seal accessories

• Temperature Measurement - Temperature transmitters, Resistance transmitters, resistance thermometers, Thermocouples, Temperature switches, Digital indicators, Temperature controllers

Dial thermometers with electrical output signal, Dial thermometers with switch contacts, Mechanical temperature switches

Bimetal thermometers, Expansion thermometers, Gas actuated thermometers, Machine glass thermometers

• Thermowells - With flange, To screw in, To weld in, With sterile connection

• Calibration Technology - Pressure, Temperature, Current, Voltage, Resistance

• Level Measurement - Measurement via communicating chambers, Continuous in-tank measurement, Measurement of switching points in the tank

• Valves - Needle valves, Manifolds, Monoflanges - Monoblocks, High pressure valves

In addition we offer a wide variety of customised instrumentation solutions for critical applications that are often dispatched within a few days.

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Company details for WIKA Instruments Limited

WIKA Instruments Limited