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400mm Diameter Electromagnetic Flow Meter With Wooden Box Packing

Melan Measurement & Control Instruments (Shanghai) Co.,Ltd.
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Melan Measurement & Control Instruments (Shanghai) Co.,Ltd.

400mm Diameter Electromagnetic Flow Meter With Wooden Box Packing

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City & Province shanghai shanghai
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Product Details

                               400mm Diameter Electromagnetic Flow Meter with Wooden Box Packing

 

1. Introduction

The MLF electromagnetic flow meter 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. In general, its conductivity should be greater than 5μs/cm (tap water, raw water conductivity of about 100 to 500μs/cm), can also be used to measure acids, alkali, brine, pulp or pulp and other media. However, these media must not contain large amounts of magnetic substances and bubbles.

MLF electromagnetic flow meter is an instrument for measuring liquid flow. Widely used in metallurgy, chemical, paper, environmental protection, petroleum, textiles, food, urban management, water plants and other industries flow metering.

 

 

2. Quick Details

MLF electromagnetic flowmeter is explosion-proof design.

The function of low conductivity measurement.

There are 9 language options to meet the needs of different customers.

There are self-regulating functions and self-checking.

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. Have the most stable chemical properties in plastic and resistance to boiling hydrochlor and sulfuric acid, nitric acid aqua regia, strong alkali, and all kinds of organic solvents, but can not resist the corrosion of chlorine trifluoride, high temperature nitrogen trifluoride, liquid fluorine, liquid oxygen and ozone.

2. Low abrasion 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. Good resistance to room temperature, hydrochloric acid, acetic acid, oxalic acid, ammonia, phosphoric acid and 50% sulfuric acid, sodium hydroxide, potassium hydroxide

2. Avoid strong oxidants

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 to nitric acid, corrosion of < 5% sulfuric acid, acetic acid, alkaline liquid, sulfite, sea water, acetic acid under certain pressure at room temperature, can be widely used in petrochemical urea, vinylon and so on.

Hb

Good resistance to all concentrations below boiling point of hydrochloric acid, but also resistant to non-oxidizing acids, alkalis, sulphuric 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

Resistant to the corrosion of seawater, various chlorides, hypochlorite, oxidized acid (including fuming nitric acid), organic acid or alkali, but not pure reducing acid (such as sulfuric acid and hydrochloric acid). However, if the acid contains oxidants (such as 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

 

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