Abstract: the turbine meter
scale selection, notable matters of installation and use of information produced by excellent flow meter
, flow meter manufacturer to offer you the quotation.
Turbine flowmeter is adopted advanced ultra low power single chip microcomputer technology of turbine flow sensor and display the integration of integrating new intelligent instrument, adopts double row at the scene of the liquid crystal display, with compact bodies, intuitive and clear reading, high reliability, from the outside.
More flow meter manufacturers choose model price quote you are welcome to inquire, here is a turbine meter scale selection, notable matters of installation and use the article for details.
Turbine flowmeter is adopted advanced ultra low power single chip microcomputer technology of turbine flow sensor and display the integration of integrating new intelligent instruments, adopts double row at the scene of the liquid crystal display, with compact bodies, intuitive and clear reading, high reliability, without external power supply interference, lightning resistance, low cost, obvious advantages.
Selection of turbine flowmeter selection to ensure correct use of turbine flow meter is better.
Choose what kind of turbine flowmeter should be the medium of the flow according to the physical properties and chemical properties to decide?
The sizes of turbine flowmeter, flow range, lining materials, electrode materials and output current, etc?
To be the nature of the flow volume and flow measurement requirements.
1, precision inspection precision grade and functions in accordance with the requirements of measurement and choose the instrument using fine grade, cost-effective.
Such as for trade settlement, product transfer and energy measurement occasions, should choose high precision grade, such as 1.
Level 0, 0.
Level 5 or higher level;
Used in process control, according to the requirements of control choose not with precision grade;
Some just check process flow, without having to do precise control and measurement, can choose lower precision grade, such as 1.
Level 5, 2.
Level 5, and 4.
Level 0, then can choose low price insertion type turbine flowmeter.
2, measurable medium medium velocity and diameter, full scale measurement generally medium, the full flow of turbine flowmeter can measure medium velocity in 0.
Choose 12 m/s scope, range is wide.
Select instrument specifications (
Differ and process piping, the same shall consider whether flow range within the scope of the flow velocity in measurement, namely when the pipeline flow rate is low, can not meet the requirement of the flow meter, or under the velocity measurement accuracy of the quasi cannot guarantee, the need to reduce the size instrument, which carry high tube flow velocity, measurement results are satisfied.
Installation to ensure that the turbine flowmeter measurement accurate, must correctly select installation location and the method of straight pipe required: meter level must be installed on the pipeline,
Tilted pipe within 5)
Axis, installation flowmeter should be concentric to the pipe axis, flow direction should be consistent.
Flowmeter upstream pipe length should be not less than 2 d straight pipe section, if the installation site allows advice straight pipe upstream to downstream of 20 d, 5 d.
: to the requirement of pipe flow meter of the inner diameter of the upstream and downstream piping installation points and the flow meter diameter is the same.
: to the requirement of by-pass pipe in order to ensure not affect the normal use of medium maintenance flow, the flow meter should be installed to cut off the valve in the pipeline before and after (
The by-pass pipe shall be set up, and at the same time.
Flow control valve to be installed downstream of the flow meter, flowmeter upstream of the valve must be fully open when using, avoid the upper part of the produced fluid unsteady flow phenomena.
The requirement of external environment: good flowmeter zui installed indoors, must be installed in the outdoor, be sure to use prevent bask in, prevent the rain.
Lightning protection measures, so as not to affect the service life.
In the medium containing impurities requirements: in order to ensure the service life of the flow, should be installed in front of the straight pipe flowmeter of filter.
Installation site: the meter should be installed in the convenience of maintenance, without strong electromagnetic interference and thermal radiation of the site for the installation of welding requirements: the user to match a pair of standard flange welding on the pipe before and after.
Not allowed to take meter welding!
Before install flowmeter should strictly eliminate dirt such as welding slag in the pipeline, zui works such as the diameter of the pipe (
Or the by-pass pipe)
Instead of flowmeter for venting pipe.
In order to ensure that in use process flow meter from being damaged.
Install the flow time, the sealing gasket between the flange cannot be sunken into the pipe.
Meter grounding requirements: flowmeter should be reliable grounding, not common ground with high voltage systems.
To the requirement of explosion-proof products: for the instrument safety normal use, should check whether the use environment of explosion-proof type flowmeter with stipulations in explosion-proof user demands, and installation, in use process should strictly abide by the national explosion-proof products use requirement, the user must change the connecting way of explosion protection system, not to open the instrument.
Selection within the prescribed scope of traffic to prevent the overspeed operation, to ensure the desired accuracy and ensure the normal service life.
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is making its name in professional coriolis mass flow meter emerson all over the world, and with Beijing Sincerity Automatic Equipment Co., Ltd taking great care to make an excellent product & actively involved in keeping the industry well-regulated, it's a product that should make its way into your electromagnetic flow meter slurry.
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