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The high-pressure electromagnetic flowmeter is composed of a high-pressure electromagnetic flow sensor and an intelligent converter produced using proprietary technology and special processes. It is specifically used for measuring high-pressure conditions in geological, petroleum exploration, and oilfield systems, as well as for measuring the volume flow of conductive liquid or liquid-solid two-phase media such as mud, cement slurry, and high-pressure water injection under high-pressure conditions in geological, petroleum exploration, and oilfield systems.The maximum pressure of the high-pressure electromagnetic flowmeter can be designed up to 40MPA!
1High voltage electromagnetic flowmeter with protective flangeProduct features:
1. The linear measurement principle can achieve high-precision measurement without being affected by changes in fluid density, viscosity, temperature, pressure, and conductivity;
2. There are no flow blocking components inside the measuring tube, with low pressure loss and low requirements for straight pipe sections;
3. The nominal diameter of DN6-DN2000 has a wide coverage range, with multiple options for lining and electrodes, which can meet the requirements for measuring various conductive fluids;
4. The converter adopts programmable low-frequency rectangular wave excitation, which improves the stability of flow measurement and reduces power loss;
5. The converter adopts a 16 bit embedded microprocessor, fully digital processing, fast operation speed, strong anti-interference ability, reliable measurement, high accuracy, and a flow measurement range of up to 1500:1;
6. High definition backlit LCD display, full Chinese character menu operation, easy to use, simple to operate, easy to learn and understand;
7. Equipped with RS485 or RS232 digital communication signal output;
8. It has conductivity measurement function and can distinguish whether the sensor is empty tube; Equipped with self checking and self diagnostic functions;
9. Adopting SMD devices and surface mount technology, the circuit reliability is high;
10. Can be used in corresponding explosion-proof situations.
IIHigh voltage electromagnetic flowmeter with protective flangeProduct Usage:
Electromagnetic flowmeter can be used to measure the volumetric flow rate of conductive fluid in closed pipelines. Widely used for flow measurement and control in industrial and agricultural production processes such as petrochemicals, steel metallurgy, water supply and drainage, water conservancy irrigation, water treatment, environmental wastewater measurement and control, papermaking, pharmaceuticals, food, etc.
IIIHigh voltage electromagnetic flowmeter with protective flangedetailed parameters
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Instrument diameter
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DN6-DN2000
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nominal pressure
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0.6 ～ 40MPa
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accuracy class
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Level 0.5 or 1.0
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Installation method
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Flange installation, optional flange clamping, clamp connection, threaded connection, etc
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ambient temperature
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-25℃～+60℃
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medium temperature
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Chloroprene rubber lining,<80 ℃, polyurethane lining:<60 ℃, PTFE lining:<120 ℃
PFA lining, F46 lining: ＜ 180 ℃
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Dielectric conductivity
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＞10μs/cm
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Measurable minimum flow velocity
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0.3 meters per second
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Measurable maximum flow velocity
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15 meters per second
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Range ratio
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1: 20, can be customized according to customer requirements
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monitor
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Standard LCD
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signal output
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4-20mA, Pulse/Frequency
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power supply
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220VAC, 24VDC, 3.6V battery powered, solar panel
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communication interface
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Optional RS485/RS232
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Communication protocol
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MODBUS, HART, Profibus, GPRS, etc
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Measure the material of the pipe body (lining)
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Chloroprene rubber PTFE、 Polyurethane, PFA, F46 and other corrosion-resistant materials
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Material of measuring element (electrode)
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316L stainless steel, titanium alloy, Hastelloy alloy, tantalum alloy, platinum iridium alloy, tungsten carbide, etc
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Explosion proof grade
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Exd[ia]qIICT5/ ExmbⅡT4
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structural style
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Integrated type, split type, submersible type, explosion-proof type
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protection grade
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IP65、IP68、 Submersible type optional (IP65: dust tight, water-resistant; IP68: Dust tight, can be continuously immersed in water, submersible type can work for a long time below the ground or in water, limited to split type)
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Overall Power Consumption
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＜20W
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electromagnetismflowmeterConverter technology data:
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power supply
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exchange
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85—265V，45—400Hz
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direct-current
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11—40V
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Operation keys and display
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Touch-tone
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Four thin film buttons can be used to set and select all parameters, and the converter can also be programmed using a PC (RS232); 3-line LCD with wide viewing angle, wide temperature, and backlit display; The first line displays the traffic value; The second line displays the flow unit; The third line displays the percentage of traffic, total forward, total reverse, total difference, alarm, and flow rate.
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Magnetic key type
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Two magnetic keys are used for selecting and resetting display parameters, and the converter is programmed using a PC (RS232); 2-line LCD display with wide viewing angle, wide temperature, and backlight: Line 1: Magnetic key selection: Display flow percentage, forward total amount, reverse total amount, difference total amount, alarm, and flow rate. Line 2: Display traffic.
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Internal integrator
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Positive total, negative total, and differential total.
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output signal
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Unidirectional analog output
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Fully isolated, load ≤ 600D. (at 20mA); Upper limit: 0-21mA optional, 1mA per level; Lower limit: 0-21mA optional, 1mA per level; programming for forward and reverse flow output modes.
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Bidirectional analog output
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The lower limit is. Or 4mA, other same unidirectional analog outputs.
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Bidirectional pulse output
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Two outputs correspond to forward and reverse flow rates, with a frequency range of 0-800Hz and an upper limit of 1-800Hz to choose from. Each IHz level is available; Square wave or selected pulse width, with an upper limit of 2.5S and 1ms per step; passive isolation transistor switch output, capable of absorbing 250mA current and withstanding 35V voltage.
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Dual channel alarm output
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Programmable alarm for high/low flow rate, air traffic control, fault status, positive/negative flow rate, analog over range, pulse over range, pulse small signal cutoff, with optional output polarity; Transistor switch output with isolation protection, capable of absorbing 250mA current and withstanding 35V voltage (not isolated from pulse output)
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digital communication
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RS232，RS485，HART
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electromagnetismflowmeterSelection of lining:
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Lining material
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Performance
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High medium temperature
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scope of application
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- Body type
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separated
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Polytetrafluoroethylene (F4)
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It is a chemically stable plastic that can withstand boiling, solvents, and aqua regia, as well as concentrated alkali and various organic solvents. Not resistant to corrosion from chlorine trifluoride, high temperature chlorine trifluoride, high flow rate liquid fluorine, liquid oxygen, and self oxygen.
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70℃
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100 ℃ 150 ℃ (special order required)
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1. Strong corrosive media such as concentrated acid and alkali. 2. Sanitary media.
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Perfluoroethylene (F46)
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Same as F4, its wear resistance and negative pressure resistance are higher than F4.
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ditto
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Polyfluoroethylene (Fs)
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The upper limit of applicable temperature is lower than that of polytetrafluoroethylene, but the cost is also lower.
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80℃
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neoprene
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1. Has excellent elasticity, high tensile strength, and good wear resistance. 2. Resistant to corrosion in general low concentration acid, alkali, and salt media, but not resistant to corrosion in oxidizing media.
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80 ℃ 120 ℃ (special order required)
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Water, sewage, and weakly abrasive slurry.
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polyurethane
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1. Extremely strong wear resistance.
2. Poor corrosion resistance.
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80℃
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Neutral strong abrasion slurry, coal slurry, mud
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electromagnetismflowmeterSelection of imported protective flanges and grounding flanges
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Type of flange
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Scope of application
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Grounding flange (or grounding ring)
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Suitable for non-conductive pipelines such as plastic pipes, but sensors with grounding electrodes do not require them.
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Import protection flange
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Choose when the medium has strong wear resistance.
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DC Intelligent ElectromagneticflowmeterSelection of electrodes:
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Electrode material
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Corrosion resistance and wear resistance
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Stainless steel 0Crl8Nil2M02Ti
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Used for weakly corrosive media such as industrial water, domestic water, sewage, etc., suitable for industrial sectors such as petroleum, chemical, steel, as well as municipal and environmental protection fields.
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Hastelloy B
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It has good corrosion resistance to all concentrations below boiling point, and is also resistant to corrosion from non chlorinated acids, bases, and non oxidizing salt solutions such as liusuan and organic acids.
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Hastelloy C
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Can withstand corrosion from non oxidizing acids such as xiaosuan, mixed acids, or mixed media of chromic acid and liusuan, as well as corrosion from oxidizing salts such as Fe, "Cu" or other oxidants, such as hypochlorite solutions above room temperature and seawater corrosion
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titanium
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Capable of withstanding corrosion from seawater, various chlorides and hypochlorites, oxidizing acids (including smoke), organic acids, and alkalis. Not resistant to the corrosion of relatively pure reducing acids (such as liusuan), but if the acid contains oxidants (such as xiaosuan, Fc++, Cu++), the corrosion is greatly reduced.
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tantalum
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It has excellent corrosion resistance and is very similar to glass. Except for smoke and alkali, it can almost withstand corrosion from cutting chemical media (including boiling point, xiaosuan, and liusuan below 50 ℃). Dig in alkali; Corrosion resistance.
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Platinum/titanium alloy
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Almost capable of cutting chemical media, but not suitable for aqua regia and ammonium salts.
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Stainless steel coated with tungsten carbide
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Used for non corrosive and highly abrasive media.
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Note: Due to the wide variety of media and the complex factors such as temperature, concentration, and flow rate that affect their corrosiveness, this table is for reference only. Users should make their own choices based on the actual situation, and if necessary, conduct corrosion resistance tests on the selected materials, such as hanging plate tests.
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Reference flow range:
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Caliber mm
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Flow range m3/h
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Caliber mm
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Flow range m3/h
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φ15
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0.06~6.36
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φ450
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57.23～5722.65
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φ20
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0.11～11.3
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φ500
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70.65～7065.00
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φ25
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0.18～17.66
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φ600
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101.74～10173.6
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φ40
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0.45～45.22
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φ700
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138.47～13847.4
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φ50
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0.71～70.65
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φ800
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180.86～18086.4
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φ65
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1.19～119.4
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φ900
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228.91～22890.6
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φ80
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1.81～180.86
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φ1000
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406.94～40694.4
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φ100
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2.83～282.60
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φ1200
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553.90～55389.6
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φ150
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6.36～635.85
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φ1600
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723.46～72345.6
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φ200
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11.3～1130.4
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φ1800
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915.62～91562.4
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φ250
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17.66～176.25.
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φ2000
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1130.4～113040.00
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φ300
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25.43～2543.40
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φ2200
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1367.78～136778.4
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φ350
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34.62～3461.85
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φ2400
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1627.78～162777.6
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φ400
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45.22～4521.6
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φ2600
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1910.38～191037.6
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