Large Diameter Industrial Flow Meter DN800 Electromagnetic Flow Meter With Lower And Upper Alarm
Model Number:MLF
Minimum Order Quantity:1pc
Delivery Time:7-10 working days
Payment Terms:T/T
Place of Origin:China
Price:Negotiation
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Shanghai Shanghai China
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No.21, Lane 697, Guangfulin Road, Songjiang District, Shanghai, China
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Product Details
DN800 Large Diameter Electromagnetic Flow Meter with Lower And Upper Alarm
1. Introduction
MLF electromagnetic flowmeter is based on Faraday's law of electromagnetic induction and consists of sensors and converters. Used to measure the conductivity of a liquid or solid. Generally, its conductivity should be greater than 5μS/cm (the conductivity of tap water, raw water is about 100~500μS/cm). it can also be used to measure various media such as acid, alkali, brine, pulp or pulp and other medium. But these medium can not contain a large number of magnetic substances and bubbles.
MLF electromagnetic flowmeter is an instrument to measure liquid fluidity. Widely used in metallurgy, chemical, paper, environmental protection, petroleum, textile, food, urban management, water plants and other industries of flow measurement.
2. Quick Details
MLF electromagnetic flowmeter is explosion-proof design.
Function of low conductivity measurement.
There are nine language options to meet the needs of different customers.
It has the function of self-regulation and self-examination.
Different outputs are optional: Hart,RS485 Profibus,4-20mA, frequency, pulse.
3. Specification
| MLF Type | Divided Type | Integrated Type | Explosive Proof Integrated Type | Battery Powered Type | Heat Energy Type |
| Accuracy | ±0.2% or ±0.5% | ||||
| Pipeline Diameter | DN10-DN2000 | DN10-DN600 | DN25-DN2000 | ||
| Flange | GB, ANSI, JIS, BS, Others | ||||
| Pressure | DN10-DN600 1.0 1.6 2.5 4.0MPa | ||||
| DN700-DN2000 0.6 1.0 1.6MPa | |||||
| Liner Material | CR, PTFE, PU, Hard Rubber, PFA, FEP(F46) | ||||
| Conductivity | ≥5µs/cm(Please contact us if it is less than 5µs/cm) | ||||
| Electrode | 316L SS, Hb, Ta, Ti, Hc, Tungsten Carbide, Others | ||||
| Protection Class | IP65, IP66, IP67, IP68 | ||||
| Medium Temperature | -25~180℃ (Please refer to liner material) | -25~80℃(Please refer to liner material) | -25~180℃ (Please refer to liner material) | ||
| Ambient Temperature for Accuracy Influence | <±0.1%/10℃ or <±0.25%/10℃ at the ambient temperature of -25~60℃ | ||||
| Repetability | ≤±0.1% or ±0.25% | ||||
| Analog Output Error | ≤±0.02mA | ||||
| Velocity | 0.3~10m/s | ||||
| Electrical connection | M20x1.5 Seal Cartridge, GB1/2, NPT1/2 | ||||
| Output | 4-20mA, Pulse, RS485, Hart, Profibus | ||||
4. Selection of Liner Material
| Liner Material | Main Performance | Application |
| PTFE | 1 The most stable chemical properties in plastics, resistant to boiling hydrogen chloride and sulfuric acid, nitric acid, aqua regia, strong bases and various organic solvents, but not resistant to the corrosion of chlorine trifluoride, high temperature nitrogen trifluoride, liquid fluorine, liquid oxygen and ozone. 2 Low wear resistance. 3 Low negative pressure resistance. | 1. -25~140℃ 2. Strong corrosion medium, like strong acid and alkali 3. Healthcare medium |
| CR | Oil proof, solvent resistance, oxidatite resistance and the resistance to the erosion of common medium like acid, alkali, salt, etc. | 1. ＜80℃ 2. Be able to measure sewage and mud |
| PU | 1. Very good abrasive resistance, flexibility. 2. Low acid and alkali resistance. | 1. ＜65℃ 2. Neutral strong abrasion resistance medium |
| Hard Rubber | 1 Room temperature, hydrochloric acid, acetic acid, oxalic acid, ammonia, phosphoric acid and 50% sulfuric acid, sodium hydroxide, potassium hydroxide 2 Avoid strong oxidizing agents | 1. ＜80℃ 2. General acid, alkali, salt solution |
| PFA | 1. Can be used for most corrosive medium like acides, alkalis, and strong oxidant. 2. High material strength, resistance to aging, better than PTFE, EFP in high temperature 3. Injection molding for higher negative pressure | 1. 40~180℃ 2. Strong corrosion medium, like strong acid and alkali 3. Healthcare mdium |
| FEP(F46) | 1. Hydrophobicity and non-viscous 2. Corrosion resistance is inferior to PFA 3. Negative pressure | 1. 40~180℃ 2. Strong corrosion medium, like strong acid and alkali 3. Healthcare mdium |
5. Selection of Electrode Materials
| Electrode Material | Main Performance |
| 316L | Good corrosion resistance of nitric acid, <5% sulfuric acid, acetic acid, alkaline liquid normal temperature, sulfite, seawater, acetic acid under certain pressure, can be widely used in petrochemical urea, vinylon and so on. |
| Hb | Good resistance to all concentrations below the boiling point of hydrochloric acid, but also resistant to non-oxidizing acid, alkali, sulfuric acid, phosphoric acid, hydrofluoric acid, organic acid corrosion. |
| Hc | Corrosion of oxidizing acids, such as nitric acid, mixed acids. A mixture of chromic acid and sulfuric acid, oxidized salts, such as Fe3,Q3, and some other oxidants, such as a mixture of hypochlorite solution and seawater above normal temperature. |
| Ti | Resistance the corrosion of seawater, various chlorides, hypochlorite, oxidizing acid(including fuming nitric acid), and organic acid or alkali, but don't be resistance to the corrosion of pure reducint acid(like sulfuric acid, hydrochloric acid). But if acid includes oxidants(like nitric acid, Fe3+, Q3+), the corrosion resistance will decrease. |
| Ta | Good corrosion resistance similar to glass. Resistance to the corrosion of chemical medium(including hydrochloric acid and fumiing sulfuric acid), but can not be used for sodium hydromide fluid. |
| Pt-Ir | Have good corrosion resistance of all acid, and can be resistance to the corrosion of alkali, all salt except aqua regia, ammonium slat and few other medium |
| Tungsten Carbide | For pulp and sewage, good resistance to solid particle interference. |
6. Dimensional Sketches
a. Dimension of Converter
Divided Type
Integrated Type
Battery Powered Type
b. Dimension of Sensor
| Pipeline Diameter | Dimension | ||
| L | W | H | |
| 15 | 160 | 95 | 130 |
| 20 | 160 | 105 | 137 |
| 25 | 160 | 115 | 150 |
| 32 | 160 | 135 | 160 |
| 40 | 200 | 145 | 175 |
| 50 | 200 | 160 | 185 |
| 65 | 200 | 180 | 205 |
| 80 | 200 | 195 | 215 |
| 100 | 250 | 215 | 235 |
| 125 | 250 | 245 | 275 |
| 150 | 300 | 280 | 300 |
| 200 | 350 | 335 | 355 |
| 250 | 400 | 400 | 405 |
| 300 | 500 | 455 | 460 |
| 350 | 500 | 515 | 520 |
| 400 | 600 | 575 | 580 |
| 450 | 600 | 635 | 630 |
| 500 | 600 | 710 | 685 |
| 600 | 600 | 835 | 795 |
| 700 | 700 | 905 | 910 |
| 800 | 800 | 1020 | 1030 |
| 900 | 900 | 1120 | 1120 |
| 1000 | 1000 | 1245 | 1250 |
| 1200 | 1200 | 1465 | 1470 |
7. Configuration
| MLF Series Electromagnetic Flow Meter Configuration | |||||||||||||||||||||||
| Model | MLF | ||||||||||||||||||||||
| Sensor Installation | S | Flange Type Sensor | |||||||||||||||||||||
| C | Insertion Type Sensor | ||||||||||||||||||||||
| O | Others | ||||||||||||||||||||||
| Pipeline Diameter | 10 | 10mm | |||||||||||||||||||||
| 15 | 15mm | ||||||||||||||||||||||
| 20 | 20mm | ||||||||||||||||||||||
| ...... | |||||||||||||||||||||||
| 2000 | 2000mm | ||||||||||||||||||||||
| Electrode Installation | F | Standard Fixed Type | |||||||||||||||||||||
| Electrode Material | A | 316L SS | |||||||||||||||||||||
| B | Hb | ||||||||||||||||||||||
| C | Ta | ||||||||||||||||||||||
| D | Ti | ||||||||||||||||||||||
| E | Hc | ||||||||||||||||||||||
| F | Tungsten Carbide | ||||||||||||||||||||||
| G | Others | ||||||||||||||||||||||
| Liner Material | R | Rubber | |||||||||||||||||||||
| P | PTFE | ||||||||||||||||||||||
| O | Others | ||||||||||||||||||||||
| Pipe Material | B | 304 SS (Standard) | |||||||||||||||||||||
| C | 316 SS | ||||||||||||||||||||||
| Flange Type | G | GB (Standard) | |||||||||||||||||||||
| A | ANSI | ||||||||||||||||||||||
| J | JIS | ||||||||||||||||||||||
| B | BS | ||||||||||||||||||||||
| O | Others | ||||||||||||||||||||||
| Flange Material | A | 304 SS | |||||||||||||||||||||
| B | 316 SS | ||||||||||||||||||||||
| C | #20 Carbon Steel (Standard) | ||||||||||||||||||||||
| Cover Material | D | 304 SS | |||||||||||||||||||||
| E | 316 SS | ||||||||||||||||||||||
| F | Carbon Steel+ Epoxy Metallic Paint (Standard) | ||||||||||||||||||||||
| Matching Flange | 0 | Without Matching Flange (Standard) | |||||||||||||||||||||
| 1 | With Matching Flange | ||||||||||||||||||||||
| Ground Ring | 0 | Without Ground Ring (Standard) | |||||||||||||||||||||
| 1 | With Ground Ring | ||||||||||||||||||||||
| Rated Pressure | 10 | 1.0MPa | |||||||||||||||||||||
| 16 | 1.6MPa | ||||||||||||||||||||||
| 25 | 2.5MPa | ||||||||||||||||||||||
| 40 | 4.0MPa | ||||||||||||||||||||||
| Working Temperature | E | ≤60℃ | |||||||||||||||||||||
| H | ≤180℃(Divided Type) | ||||||||||||||||||||||
| Type | I | Integrated Type | |||||||||||||||||||||
| D | Divided Type | ||||||||||||||||||||||
| Output | P | Pulse | |||||||||||||||||||||
| A | 4-20mA | ||||||||||||||||||||||
| G | RS485 | ||||||||||||||||||||||
| H | Hart | ||||||||||||||||||||||
| Q | Others | ||||||||||||||||||||||
| Power Supply | 0 | 220VAC | |||||||||||||||||||||
| 1 | 24VDC | ||||||||||||||||||||||
| 2 | Battery-powered | ||||||||||||||||||||||
| Protection Class | 0 | IP65 (Integrated/Divided Type) | |||||||||||||||||||||
| 1 | IP67 (Divided Type) | ||||||||||||||||||||||
| 2 | IP68 (Divided Type) | ||||||||||||||||||||||
| Other Features | R | Heat Energy Function | |||||||||||||||||||||
| P | With PT1000 | ||||||||||||||||||||||
| B | Without PT1000 | ||||||||||||||||||||||
| Explosion Proof | 0 | None | |||||||||||||||||||||
| EX | Explosive Proof | ||||||||||||||||||||||
8. Instrument Testing & Maintenance
Electromagnetic Flowmeter has self-diagnosis function. In addition to power and hardware circuit failures, the system also alarm other faults in general use. The information is prompted in the lower right corner of the screen.
1. Maintenance and repair
a) sensor installation site should meet the requirements of Section 4, please keep the shell clean;
b) transmitters shall be placed in a clean, ventilated, dry place;
c) need to be checked every two years, for high-precision users, the instrument needs to be submitted for review.
2. Transport and storage
a) instruments must be packed before transportation, loading and unloading should be carefully light.
b) storage place must be dry, ventilated, avoid corrosive gas erosion, environmental temperature should not be too low or too high;
c) storage time should not exceed three years.
3. Open-box inspection
a) packing must not be opened with a heavy hammer, be careful not to damage the instrument
b) carefully check the contents according to the packing list.
Large Diameter Industrial Flow Meter DN800 Electromagnetic Flow Meter With Lower And Upper Alarm
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