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Large Diameter Industrial Flow Meter DN800 Electromagnetic Flow Meter With Lower And Upper Alarm

Categories Industrial Flow Meter
Model Number: MLF
Place of Origin: China
MOQ: 1pc
Price: Negotiation
Payment Terms: T/T
Supply Ability: 500pcs per month
Delivery Time: 7-10 working days
Packaging Details: In Carton or Wooden Box
Product Name: Electromagnetic Flow Meter
Pipeline Diameter: DN800
Accuracy: 0.5% / 0.2%
Flange: GB/ANSI/JIS/BS/Others
Velocity: 0.3~10m/s
Liner Material: Rubber/PTFE/PU/Hard Rubber/PFA/FEP(F46)
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    Large Diameter Industrial Flow Meter DN800 Electromagnetic Flow Meter With Lower And Upper Alarm

    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 TypeDivided TypeIntegrated TypeExplosive Proof Integrated TypeBattery Powered TypeHeat Energy Type
    Accuracy±0.2% or ±0.5%
    Pipeline DiameterDN10-DN2000DN10-DN600DN25-DN2000
    FlangeGB, ANSI, JIS, BS, Others
    PressureDN10-DN600 1.0 1.6 2.5 4.0MPa
    DN700-DN2000 0.6 1.0 1.6MPa
    Liner MaterialCR, PTFE, PU, Hard Rubber, PFA, FEP(F46)
    Conductivity≥5µs/cm(Please contact us if it is less than 5µs/cm)
    Electrode316L SS, Hb, Ta, Ti, Hc, Tungsten Carbide, Others
    Protection ClassIP65, 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
    Velocity0.3~10m/s
    Electrical connectionM20x1.5 Seal Cartridge, GB1/2, NPT1/2
    Output4-20mA, Pulse, RS485, Hart, Profibus

    4. Selection of Liner Material

    Liner MaterialMain PerformanceApplication
    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

    CROil 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 MaterialMain 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.

    TiResistance 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.
    TaGood 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-IrHave 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 CarbideFor 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 DiameterDimension
    LWH
    1516095130
    20160105137
    25160115150
    32160135160
    40200145175
    50200160185
    65200180205
    80200195215
    100250215235
    125250245275
    150300280300
    200350335355
    250400400405
    300500455460
    350500515520
    400600575580
    450600635630
    500600710685
    600600835795
    700700905910
    80080010201030
    90090011201120
    1000100012451250
    1200120014651470

    7. Configuration

    MLF Series Electromagnetic Flow Meter Configuration
    ModelMLF
    Sensor InstallationSFlange Type Sensor
    CInsertion Type Sensor
    OOthers
    Pipeline Diameter1010mm
    1515mm
    2020mm
    ......
    20002000mm
    Electrode InstallationFStandard Fixed Type
    Electrode MaterialA316L SS
    BHb
    CTa
    DTi
    EHc
    FTungsten Carbide
    GOthers
    Liner MaterialRRubber
    PPTFE
    OOthers
    Pipe MaterialB304 SS (Standard)
    C316 SS
    Flange TypeGGB (Standard)
    AANSI
    JJIS
    BBS
    OOthers
    Flange MaterialA304 SS
    B316 SS
    C#20 Carbon Steel (Standard)
    Cover MaterialD304 SS
    E316 SS
    FCarbon Steel+ Epoxy Metallic Paint (Standard)
    Matching Flange0Without Matching Flange (Standard)
    1With Matching Flange
    Ground Ring0Without Ground Ring (Standard)
    1With Ground Ring
    Rated Pressure101.0MPa
    161.6MPa
    252.5MPa
    404.0MPa
    Working TemperatureE≤60℃
    H≤180℃(Divided Type)
    TypeIIntegrated Type
    DDivided Type
    OutputPPulse
    A4-20mA
    GRS485
    HHart
    QOthers
    Power Supply0220VAC
    124VDC
    2Battery-powered
    Protection Class0IP65 (Integrated/Divided Type)
    1IP67 (Divided Type)
    2IP68 (Divided Type)
    Other FeaturesRHeat Energy Function
    PWith PT1000
    BWithout PT1000
    Explosion Proof0None
    EXExplosive 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.


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