DN50 Digital Electromagnetic Flow Meter

SKU: 8569475

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Introduction

DN50 Electromagnetic Flow Meter

Electromagnetic flow meter is one of the most popular flow meters. Flange type electromagnetic flow meter has been used for more than 50 years worldwide. It is widely used for all conductive liquids in every industry, such as water, acid, alkali, milk, slurry etc. Since founded in 2005, Q&T has sold more than 600 thousand electromagnetic flow meters to provide the solutions for clients in different work conditions.

DN50 Electromagnetic Flow Meter

Advantages

Electromagnetic Flow Meter Advantages and Disadvantages
The main advantages of using electromagnetic flow meter is that it is with no moving parts, no pressure loss and require very less maintenance.
Flange type magnetic flow meter can be made large size range from DN3-DN3000mm and with bi-directional flow measurement. Q&T mag flow meters are with built-in self-diagnosis function and support data record / bluetooth function and various kinds of output signals.Compared with other liquid type flow meter, the limitations of magnetic flow meter is that it can only be used for conductive liquid.Regarding non or low conductive liquid such as petroleum products, organic solvents can not be used. Electromagnetic flow meter will be affected if there’s strong magnetic filed in the surrounding environment.

Application

Flange Electromagnetic Flow Meter Installation Requirement
Electromagnetic flow meter is widely used in water treatment, food industry, pharmaceutical, petrochemical, paper mill, chemical monitoring etc.
In the metallurgical industry, it is often used to control the flow of cooling water for continuous steel casting, continuous steel rolling, and steel-making electric furnaces;
In the field of water supply and drainage in public utilities, electromagnetic flow meters are often used for the transfer measurement of finished product water and raw water in water plants;
In the pulp process of the paper industry, electromagnetic flow meters are involved in the measurement of the flow of grinding pulp, water, acid, and alkali;
In the coal industry, measuring coal washing and pipeline hydraulic conveying coal slurry.
For food and beverage industries, it is used for beer and beverage filling measurement.
For chemical and petrochemical industries, it is used to measure corrosive liquids, such as acids and alkalis etc
DN50 Electromagnetic Flow Meter
Water Treatment
Food Industry
Food Industry
DN50 Electromagnetic Flow Meter
Pharmaceutical Industry
Petrochemical
Petrochemical
DN50 Electromagnetic Flow Meter
Paper Industry
Chemical Monitoring
Chemical Monitoring
DN50 Electromagnetic Flow Meter
Metallurgical Industry
DN50 Electromagnetic Flow Meter
Public Drainage
DN50 Electromagnetic Flow Meter
Coal Industry

Technical Data

Table 1:  Flange Magnetic Flow Meter Main Performances Parameters

SizeDN3-DN3000mm
Nominal Pressure0.6-1.6Mpa(2.5Mpa/4.0Mpa/6.4Mpa…Max 42Mpa)
Accuracy+/-0.5%(Standard)
+/-0.3% or +/-0.2%(Optional)
LinerPTFE, Neoprene, Hard Rubber, EPDM, FEP, Polyurethane, PFA
ElectrodeSUS316L, Hastelloy B, Hastelloy C
Titanium, Tantalum, Platinium-iridium
Structure TypeIntegral type, remote type, submersible type, ex-proof type
Medium Temperature-20~+60 degC(Integral type)
Remote type(Neoprene,Hard Rubber,Polyurethane,EPDM) -10~+80degC
Remote type(PTFE/PFA/FEP) -10~+160degC
Ambient Temperature-20~+60deg C
Ambient Humidity5-100%RH(relative humidity)
Measuring RangeMax 15m/s
Conductivity>5us/cm
Protection ClassIP65(Standard); IP68(Optional for remote type)
Process ConnectionFlange (Standard), Wafer, Thread, Tri-clamp etc (Optional)
Output Signal4-20mA/Pulse
CommunicationRS485(Standard), HART(Optional),GPRS/GSM (Optional)
Power SupplyAC220V (can be used for AC85-250V)
DC24V (can be used for DC20-36V)
DC12V (optional), Battery Powered 3.6V (optional)
Power Consumption<20W
AlarmUpper Limit Alarm / Lower Limit Alarm
Self-diagnosisEmpty Pipe Alarm, Exciting Alarm
Explosion ProofATEX

Table 2:  Flange Magnetic Flow Meter Electrode Material Selection

Electrode MaterialApplications & Properties
SUS316LApplicable to industrial/municipal water, wastewater and low corrosive mediums.
Widely used in petroleum, chemical industries.
Hastelloy BStrong resistance to hydrochloric acids below the boiling point.
Resist against oxidable acids, alkali and non-oxidable salts. For instance, vitriol, phosphate, hydrofluoric acids, and organic acids.
Hastelloy CExceptional resistance to strong solutions of oxidizing salts and acids. For example, Fe+++, Cu++, Nitric acids, mixed acids
TitaniumTitanium can withstand corrosive mediums such as seawater, chloride salt solutions, hypochlorite salts, oxidable acids(including fuming nitric acids), organic acids, and alkali.
Not resistant to high purity reducing acids such as sulphuric acids, hydrochloric acids.
TantalumHighly resistant to corrosive mediums.
Applicable to all chemical mediums except Hydrofluoric Acids, Oleum and Alkali.
Platinum-iridiumApplicable to all chemical mediums except for Ammonium salts and Fortis

Table 3:  Flange Magnetic Flow Meter Flow Range

SizeFlow Range & Velocity Table
(mm)0.1m/s0.2m/s0.5m/s1m/s4m/s10m/s12m/s15m/s
30.0030.0050.0130.0250.1020.2540.3050.382
60.010.020.0510.1020.4071.0171.2211.526
100.0280.0570.1410.2831.132.8263.3914.239
150.0640.1270.3180.6362.5436.3597.639.538
200.1130.2260.5651.134.52211.30413.5616.956
250.1770.3530.8831.7667.06517.66321.226.494
320.2890.5791.4472.89411.57528.93834.7343.407
400.4520.9042.2614.52218.08645.21654.2667.824
500.7071.4133.5337.06528.2670.6584.78105.98
651.192.395.9711.9447.76119.4143.3179.1
801.813.629.0418.0972.35180.86217271.3
1002.835.6514.1328.26113.04282.6339.1423.9
1254.428.8322.0844.16176.63441.56529.9662.34
1506.3612.7231.7963.59254.34635.85763953.78
20011.322.6156.52113.04452.161130.413561696
25017.6635.3388.31176.53706.51766.2521202649
30025.4350.87127.2254.3410172543.430523815
35034.6269.24173.1346.1913853461.8541545193
4004590226.14521809452254266782
45057114286.15722289572368678584
50071141353.370728267065847810598
600102203508.710174069101741220815260
700138277692.413855539138471661720771
800181362904.318097235180862170427130
900229458114522899156228912746934336
10002835651413282611304282603391242390
12004078142035406916278406944883361042
140055411082769553922156553906646883084
1600723144736177235289387234686815108518
18009161831457891563662591562109875137344
20001130226156521130445216113040135648169560
22001368273668391367854711136778164134205168
24001628325681391627865111162778195333244166
26001910382195521910476415191038229245286556
280022164431110782215688623221558265870332338
3000254350871271725434101736254340305208381510
Remark:Suggest flow velocity range 0.5m/s – 15m/s

Table 4:  Flange Magnetic Flow Meter Selection Guide

QTLDxxxxxxxxxxx
CaliberDN3mm-DN3000mm
Nominal Pressure0.6Mpa1
1.0Mpa2
1.6Mpa3
4.0Mpa4
Other5
Connection ModeFlange connection1
Clamp connection2
Sanitary connection3
Liner MaterialPTFE1
PFA2
Neoprenen3
Polyurethane4
Ceramic5
Electrode Material316L1
Hastelloy B2
Hastelloy C3
Titanium4
Platinum-iridium5
Tantalum6
Stainless steel covered with tungsten carbide7
Structure TypeIntegral type1
Remote type2
Remote type immerse3
Integral type Ex-proof4
Remote type Ex-proof5
Power220VAC 50HzE
24VDCG
Output communicationFlow volume 4-20mADC/pulseA
Flow volume 4-20mADC/RS232C communicationB
Flow volume 4-20mADC/RS485 communicationC
Flow volume HART output/with communicationD
Converter FigureSquareA
CircularB

Installation

Flange Electromagnetic Flow Meter Installation Requirement

In order to obtain a stable and accurate flow measurement, it is very important that the flow meter is installed correctly in the pipe system.
Do not install the meter near equipment that produces electrical interference such as electric motors, transformers, variable frequency, power cables etc.
Avoid locations with pipe vibrations for example pumps.
Do not install the meter close to pipeline valves, fittings or impediments which can cause flow disturbances.
Place the meter where there is enough access for installation and maintenance tasks.

lnstall at the lowest point and vertical upward direction
Don’t install at the highest point or vertical downward diection

When drop is more than 5m, install exhaust
valve at the downstream
DN50 Electromagnetic Flow Meter

DN50 Electromagnetic Flow Meter

lnstall at the lowest point when used in open drain pipe

Need 10D of upstream and 5D of downstream
DN50 Electromagnetic Flow Meter

DN50 Electromagnetic Flow Meter

Dont’ install it at the entrance of pump, install it at the exit of pump
DN50 Electromagnetic Flow Meter

DN50 Electromagnetic Flow Meter

lnstall at the rising direction

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