Abstract: how to install rotameter scale information produced by excellent flow meter, flow meter manufacturer to offer you the quotation.
Rotameter is also called float flowmeter
, choose the main rotor flowmeter measurement in industrial field application object is single-phase liquid or gas, the solid particles in the liquid or gas containing droplets usually do not apply.
Because the float attached particles or in the flow.
More flow meter manufacturers choose model price quote you are welcome to inquire, here is a rotameter scale details how to install the article.
Rotameter is also called float flowmeter, choose the main rotor flowmeter measurement in industrial field application object is single-phase liquid or gas, the solid particles in the liquid or gas containing droplets usually do not apply.
Because the float attached to particles in the liquid flow or tiny bubbles will affect the measurements.
If need far transmission signal for integrating total or flow control, electrical signal output is generally selected tube rotor flow meter (
The metal flow meter)
Such as the environmental atmosphere with explosion-proof requirements and field control instrument air supply, give priority to the far eastone metal rotameter, if choose electric remote meter must be explosion-proof type.
Choice when measuring opaque liquid metal tube rotameter is relatively common.
Measuring temperature is higher than the ambient temperature of high viscosity fluid and easy to cooling crystallization precipitation or easy to solidification of liquid, should choose jacketed metal tube rotor flow meter.
Below by metal rotameter kyokuto instrument and meter plant technicians install rotor flowmeter are introduced for you use note: 1, the instrument must be vertical direction most of the rotameter installed on no vibration of the pipeline installation, should not have obvious tilt, fluid flow through the instrument from bottom to top.
The center line of the rotameter and the plumb line, generally no more than 5 degree Angle between the high accuracy (
Level 5 or above)
Instrument & theta;
If & theta;
Will generate additional error 1%.
Instrument no strict length of straight pipe upstream requirements, but also have manufacturing requirements (
D the length of necessity is not, in fact.
2, used in the installation of the dirty fluid should be in the upstream filter instrument.
With magnetic coupling tube rotor flow meter used in sexual impurity fluid may contain magnet, magnetic filters should be installed in front of the instrument.
To maintain the cleanness of float and cone tube, especially the small instrument, float clean degree significantly affect the measured values.
3, expand the scope of the rotor flowmeter installation if the measurement requirement of flow range wide, range of more than 10, can be two different shape is put inside a meter and weight of the float, little traffic light readings, heavy float float to the top after reading, range can be extended to 50 -
4, the installation of the pulsating flow rotor flowmeter the pulsation of the flow itself, such as plans to install instrument position reciprocating pump or upstream of the regulator, or downstream has large load change, should be remedial change measuring position or in the pipeline system improvement, such as buffer tank;
Oscillations if the instrument itself, such as when measuring the gas pressure is too low, upstream of the valve is not fully open, downstream of the regulator is not installed in instrument such as reason, should be targeted to improve overcome, or re-election with damping device instrument.
5, rotameter used instrument as liquid gas import and export is not in a straight line within the Angle of the metal rotameter, used for the liquid note gaiden float displacement of extended casing residual air, must be the row;
If the liquid contains tiny bubbles flow easy to accumulate in the casing, exhaust your more regularly.
That are more important for small instrument, otherwise affect flow value significantly.
6, rotor flowmeter flow value should make necessary conversion without according to the use of the density, viscosity and other medium parameters to the rotor flow meter manufacturer specially instrument, liquid instrument calibration to water often flow, gas meter with air calibration, fixed value in engineering standard state.
Conditions of use of fluid density, gas pressure, temperature and calibration are inconsistent, to do the necessary conversion.
Conversion formula and method of rotor flowmeter factory have a detailed instruction manual.
Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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