Stainless Steel Electromagnetic Flowmeter
Stainless Steel Electromagnetic Flowmeter
2. Type: split type, integrated type, plug-in type
3. Lining material: neoprene, PTFE, PFA, FEP, F46
4. Electrode material: SS316L, HC, HB, Ti, Tan, Pt
1. Introduction:
The stainless steel electromagnetic flowmeter consists of two parts: the sensor and the converter. It is based on the principle of Faraday’s law of electromagnetic induction and is used to measure the volume flow of conductive liquids with a conductivity greater than 5μS/cm. It is an inductive instrument for measuring the volume flow of conductive media. In addition to measuring the volume flow of general conductive liquids, it can also be used to measure the volume flow of strong corrosive liquids such as strong acids and alkalis, and uniform liquid-solid two-phase suspension liquids such as mud, ore pulp, and paper pulp. It is widely used in flow measurement in petroleum, chemical industry, metallurgy, textile, papermaking, environmental protection, food and other industrial sectors, municipal management, water conservancy construction and other fields.
2. Electromagnetic flowmeter product features:
● Full digital processing, strong anti-interference ability, reliable measurement, high precision, flow measurement range up to 150:1
● Ultra-low EMI switching power supply, suitable for a wide range of power supply voltage changes, and good anti-EMI performance.
● It adopts 16-bit embedded microprocessor, which has fast calculation speed and high precision, and programmable frequency low-frequency rectangular wave excitation, which improves the stability of flow measurement and low power consumption.
● Using SMD devices and surface mount (SMT) technology, the circuit has high reliability.
● There are no moving parts in the pipeline, no flow blocking parts, and almost no additional pressure loss during measurement.
● The measuring range can be modified online according to the actual needs of users on site.
● The measurement results have nothing to do with physical parameters such as flow velocity distribution, fluid pressure, temperature, density, and viscosity.
● High-definition backlit LCD display, full Chinese menu operation, easy to use, easy to operate, easy to learn and understand.● It has the functions of self-test and self-assessment.
3.Electrode Selection Reference Table：
| electrode | Examples of measured liquids | |
| 316L stainless steel | It is not resistant to the corrosion of inorganic acids, organic acids, and chemicals, and is used for non-corrosive media | Domestic and industrial water, sewage, slurry, syrup |
| Molybdenum-containing stainless steel (OCr18Ni12Mo2Ti) | It has strong corrosion resistance to acid and alkali solutions of various concentrations at temperatures < 80°C | phosphoric acid, caustic acid |
| Titanium (Ti) | It is especially suitable for use in the presence of cyanide ions, and can resist the corrosion of sulfides (calcium sulfide, potassium sulfide, ammonium sulfide, sodium sulfide) and lye | Frozen brine, sea water, ammonia hydrogen peroxide, acetic acid |
| Tantalum (Ta) | It has excellent corrosion resistance, almost similar to glass, and is resistant to corrosion by almost all chemical media (including boiling point hydrochloric acid, nitric acid, aqua regia, sulfuric acid). Not resistant to alkali, hydrofluoric acid, oxides and oleum corrosion. | Aqua regia hydrochloride, nitric acid, sulfuric acid |
| Platinum (Pt) | Suitable for corrosion of almost all chemical media, but not suitable for aqua regia and ammonium salts | Concentrated sulfuric acid, hot alkali solution |
4.Lining options:
The lining material should be selected according to the corrosive and abrasive temperature of the measured medium. Polytetrafluoroethylene (PIEE) lining has excellent resistance to strong acid and alkali corrosion, it also has reliable high temperature resistance, no deformation at high temperature, no color degradation performance of insulation resistance; Adhesive to other substances, smooth surface. Therefore, it is necessary to measure the medium with high viscosity (such as syrup) or the medium that is easy to scar (such as alumina), the strong corrosive medium (such as sulfuric acid, nitric acid, hydrochloric acid, phosphoric acid, etc.), the medium with high temperature, or the occasion where the pipeline is washed by the steam department regularly and Foods with hygienic requirements (such as beer, milk, wort) can choose PTFE lining. Rubber has wear-resistant characteristics, and is widely used to measure water, industrial water, waste water, sewage slurry, mud, fiber slurry and other media.
| lining | Main performance characteristics | Examples of measurable media |
| Tetrafluoroethylene (PTEE) | Excellent heat and corrosion resistance, smooth surface, not easy to stick | High permeability media, such as hydrofluoric acid, hydrochloric acid, acetic acid, etc. Strong corrosive medium, such as sulfuric acid, nitric acid, electrolyte, caustic soda, etc. A medium prone to scarring. |
| rubber | It has excellent elasticity, good wear resistance and impact resistance. Corrosion resistant to general weak corrosive media. | Water, waste water, sewage, fiber pulp, ore pulp, mud |
5.Choice of installation location:
In order to make the transmitter work stably, the following requirements should be paid attention to when choosing the installation location:
●Try to avoid ferromagnetic objects and specific equipment with strong electromagnetic fields (such as large motors, large transformers, etc.), so as not to affect the working magnetic field and flow information of the sensor.
●It should be installed in a dry and ventilated place as far as possible, and should not be installed in a humid place where water is easy to accumulate.
●Should try to avoid sun and rain, avoid ambient temperature higher than 45 ℃ and relative humidity greater than 95%
●Choose a place that is convenient for maintenance and activities
●The flow meter should be installed at the back end of the pump, never on the suction side; the valve should be installed on the downstream side of the flow meter.
6.Stainless steel electromagnetic flowmeter calibration device:
Our factory has professional calibration equipment and professional calibration engineers. When the flowmeter for mud application leaves the factory, professional calibration engineers use the 5-point calibration method to calibrate the flowmeter one-to-one to ensure that the accuracy of the flowmeter can reach 0.5%, and the highest can reach 0.5%. up to 0.2%.
7.FAQ:
1. Question: How to install the flowmeter?
A: We provide installation manual for water flow meter type, please feel free to contact us.
2. Question: How to choose the pipe diameter?
Answer: Yes. Based on your pipeline ID and flow range. We have professional guidance to help you choose the right flowmeter.
3. Q: Can I get samples?
A: Yes, we have materials in stock and can help you get samples as soon as possible.
4. Q: What is the shortest delivery time you can offer for 100PCS?
A: We have a large stock of flowmeters and raw materials, if you need, you can tell us, we will try our best to satisfy you，Estimated production time 5 working days。
5. Q: Can I visit your factory?
A: Of course, we warmly welcome you to visit our factory if you need.
6.Q: If I have already paid, when will you produce it for me?
A: When we receive your payment, we will give you a receipt and arrange production immediately.