The VERIS Verabar Flow Meter, also called the Verabar Averaging Pitot Tubes, is a kind of differential pressure flow meter.
The SI-VL Verabar Flow Meter is designed with an aerodynamic engineering structure
and is a sensor element that achieves unparalleled accuracy,
efficiency and reliability.
The VERIS Verabar Flow Meter is a plug-in flow meter.
A Verabar tube sensor is inserted into the pipe.
When the fluid flows through the sensor,
a high-pressure distribution zone is created in the forward direction of the flow,
and a low-pressure distribution zone is created in the rear.
Wide range of applications:
It can be used to measure dry gas,
humid gas, liquid or vapor, without being limited by dielectric constant.
The Verabar Flow Meter,
VERIS Verabar flow sensors combined with Sino-Instrument differential pressure transmitters,
provide the most reliable and accurate DP flow measurement solution on the market.
Features of VERIS Verabar Flow Meter
- The measure parts is design base on air dynamic principle
- The static pressure hole on the back side, produce the static pressure before split point between fluids and transducer , is the stable pulse signal
- Without removable parts, which can insure long term of transducer, and also can insure long term stability, eliminate the precision drift
- Dust prevention. VERIS Verabar flow sensor is install on the both side of transducer, not sensitive to medium particle and dust
- Uniform veloc
- ity tube flow sensor made of special material, in order to meet the demand of corrosive, high temperature, and pressure
- Easy to install;
3-Types of Verabar Flowmeters
SI-VL200 verabar flow meter
The VL200 can be inserted and removed under pressure.
Use this model when you can not shut down the pipe to insert the sensor.
The VL200 is the most frequently sold hot-tap model.
It is available in single rod and double rod units for high pressure.
SI-VL350 verabar flow meter
The VL350 can be inserted and removed under pressure.
The insertion mechanism (Jack) can be removed and used on multiple pipes.
The Jack can be stored in a dry location away from the elements making it ideal for outdoor and coastal installations.
SI-VL400 verabar flow meter
The VL400 can be inserted and removed under pressure.
Similar to a VL200 except it has a flanged connection to the pipe for added sealing capability.
When plant regulations require a flanged hot tap connection, the VL400 is the correct model to use.
It is available in single rod and double rod units for high pressure.
SI-VL Verabar flowmeter features
1. The VERIS verbal flowmeter can be used for flow measurement,
of various media such as liquid, gas and steam flow;
2.VERIS verbal flowmeter structure, small pressure loss, easy installation and disassembly, small maintenance;
3. Suitable for flow measurement of large pipelines and irregular pipelines;
4, The pressure loss is small
(compared with the orifice plate, only 5% or less of the orifice plate),
greatly reducing the power consumption,
and the energy-saving effect is remarkable.
5, Integrated structure, good set;
6. The pipe diameter adapts to a large range.
When the pipe diameter is larger, the plug-in structure is adopted,
and its superiority is more prominent;
7. Accuracy and long-term stability are good, the accuracy can reach 1%, and the stability can reach ±0.1%;
8, Multi-parameter intelligent transmission, full dynamic temperature and pressure automatic compensation.
Unaffected by pressure and temperature changes.
9. On-site instructions and remote transmission are compatible,
which facilitates system setup and network access.
10, Open digital platform, multi-purpose serial access.
Fieldbus architecture, HART communication protocol.
VERIS Verabar flow meter structure
The Verabar meter flowmeter consists of a detection rod,
pressure tap and a guide rod.
The cross-sectional shape of the detection tube of Verabar
is divided into a variety of structures such as a circle,
a diamond shape, and an elliptical shape.
What is Verabar Flow Meter?
The VERIS verabar flow meter is a high precision measuring instrument,
based on the principle of a piton tube measurement and applies the air dynamic theory.
Verabar flow meters belong to differential pressure flow meters,
rate average of the flow sensor,
its measure flow rate through the differential,
between average total pressure and static pressure,
which often being use to measure flow rate of the liquids, steam and gas.
VERIS Verabar flow meter working principle
When the fluid flows through the probe,
a high-pressure distribution zone is created at the front,
and the pressure in the high-pressure distribution zone is slightly higher than the static pressure of the pipeline.
According to the Bernoulli equation, the velocity of the fluid flowing through the probe is increased,
and a low-pressure distribution zone is generated at the rear of the probe.
The pressure in the low-pressure distribution zone is slightly lower than the static pressure of the pipeline.
The fluid flows from the probe and creates a partial vacuum,
at the back of the probe with vortices on either side of the probe.
The cross-sectional shape of the constant velocity flow probe,
the rough surface condition and the position of the low-pressure tapping orifice are key factors,
in determining probe performance.
The stability and accuracy of the low voltage signal are decisive for the accuracy,
and performance of the uniform velocity probe.
The Verabar average velocity probe detects the average differential pressure produced,
by the average velocity of the fluid.
The VERIS Verabar average velocity flow probe has multiple pairs of pressure tapping holes,
arranged in certain directions in the high and low-pressure areas,
which makes it possible to accurately measure the average flow rate.
Main technical parameters of SI-VL
1, The ranges ratio of 20:1
2, General pipe diameter: 8mm ~ 8000mm;
3. Measurement accuracy: ±1.0%;
4, Repeatability: ± 0.1%;
5, Working pressure: 0 ~ 40Mpa;
6, Working temperature: -100 ° C ~ 800 ° C;
7. Applicable medium:
air, gas, flue gas, natural gas, tap water, boiler feed water,
containing rot solution; saturated steam, superheated steam, etc.
8. Reference standards: ISO 3966-197, JB/T5325-1991, and GB/T2624-2006
9, Connection method:
plug-in flange connection,
plug-in threaded connection,
pipe flange connection,
pipe thread connection.
Applications of Verabar Flow Meter
VERIS Verabar flowmeters are widely used in power plants,
petrochemicals, metallurgy, water treatment, fine chemicals,
environmental protection and other industries.
Verabar flowmeters are used in a wide range of applications for a wide range of gas,
liquid and vapor measurements.
The following are typical application media.
- Water Treatment
- Pump Testing
- Paper & Pulp
- Effluent Treatment Plants
- Waste Water & Sewerage
- Food & Dairy Processing
- Chemical Process Plants
- Natural Gas
- Cooling Water
- Saturated Steam;
- Compressed Air
- Boiler Water/Superheated Steam;
- Gas/Demineralized Water;
- Gas Hydrocarbon/Liquid Hydrocarbon;
- Hot Air/Cryogenic Liquid;
- Producer Gas/Thermal Liquid
Sino-Instrument offers over 10 VERIS Verabar flow meter products.
About 50% of these are differential pressure flow meters,
A wide variety of VERIS Verabar flow meter options are available to you,
such as free samples, paid samples.
Sino-Instrument is a globally recognized supplier and manufacturer of
VERIS Verabar flow meter, located in China.
The top supplying country is China (Mainland),
which supply 100% of the VERIS Verabar flow meter respectively.
Sino-Instrument sells through a mature distribution network that reaches all 50 states and 30 countries worldwide.
VERIS Verabar flow meter products are most popular in Domestic Market, Southeast Asia, and Mid East.
You can ensure product safety by selecting from certified suppliers, with ISO9001, ISO14001 certification.
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