Flow meters - Turbine Flow Meters, Oval Gear Meters, Positive Displacement Flow Meter

Process Instrumentation Division

Measurement and control: When it comes to working with fluid and gases, we are at your side- as a manufacturer of sophisticated products such as flow meters, vortex meters, turbine flow meters, positive displacement flow meter as a problem solver and as a partner offering you reliable solution.
Where ever fluids and gases are used, there is always a need to measure and monitor.

The individual element of a control system, the measuring instrument for detecting the variable to be controlled is most important factor to be taken into consideration for selection of the measuring instrument:

the measuring method
the measuring range
the properties of the medium
the ambient conditions
the pressures and temperatures obtained in the controlled system

Depending on the required measuring range, media, medium properties and the pressure and temperatures, it may be necessary to use different measuring instruments or measurement principles. The following table provides an overview of most measuring instruments that can be supplied by us

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Oval Gear Meter

The measurement element of this positive displacement oval gear meters consists of two precision oval gears. The revolution can be sensed by a magnetic-field-controlled pulse generator, resulting in only two moving parts i.e “oval-wheels”. These oval gear meters can be used for application of nearly all operating condition.

Very high / very low temperatures
Low and extreme high viscosities
Nominal Diameter DN 4 to DN 400
Operation pressures upto 100 bar

Conditionally suitable at low upstream pressures

Turbine Flow Meter

Turbine meters are indirect volumetric meters. The revolutions of the turbine wheel in these turbine flow meters are proportional to the volume passing through the meter. Turbine flow meters are suitable for measurement of-

Low viscosity liquids (e.g. L.P.G)
Mineral oil products
Crude oil with high viscosity

Nominal diameter: DN 10 to DN 600
Measuring range : up to 10,000 m³/h
Temperature : 196- 250^o C
Pressure : up to 100 bar

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Vortex Meter

Vortex meters are using the physical phenomenon of “vortex shedding”, the number of vortices generated is proportional to the flow. These vortex flow meters relatively insensitive to pipe vibrations, pulsation, temperature shocks.

Vortex meters also suitable for steam flow rate measurements
Nominal diameter : DN 15 to DN 300
Measuring range : up to 20,000 m³/h (Gas/ Steam) 2500m³/hr for liquids.
Temperature : 200 to 450⁰ C
Pressure : up to 40 bar

Density Meter

The fluid to be measured passes through the oscillating element. Excited electro-magnetically, it will oscillate with its natural frequency. The frequency will be picked up by the transmitter and converted into a signal proportional to density or concentration.

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Cone Meter

Measuring principle is by the rate of flow measurement by the differential pressure method. It is basically calculated by the use of Bernoulli equation. The differential pressure is a measure of flow rate.

Nominal diameter: DN 15 to DN 1400
Pressure : up to 100 bar and above

Clamp-on Ultrasonic Meter

The transit time flow meter measures flow rate by calculating the spreading time of an ultrasonic wave in a liquid going upstream and downstream of a pipe. For ultrasonic flow meter it is not necessary to stop the flow to install them.

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Our Principals