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Flange Thermal Gas Mass Flow meter

Flange Thermal Gas Mass Flow meter

Size: (Insert connection) DN50-DN2000mm ,In-line connection(DN10-DN2000mm)

Pressure Rating:Insertion type ≤1.6Mpa / Flange type ≤4.0Mpa

Material:SS304(Standard), SS316(Optional)

Design Standard: IP65, IP68

Inspection Standard:IP65, IP68

Application medium:Various of Gas (Except acetylene)

Velocity: 0.1-100Nm/s

Accuracy: +/-1~2.5%

Working Temperature: Sensor:-40~+220 degC Transmitter:-20~+45 degC

Applied projects:Widely used for water supply, non conductive liquids such as distilled water, food oil, light oil, boiler fuel oil engine for diesel measurement, and air conditioner system to measure the flow & heat, food and beverage, pharmaceuticals, ballast water, fuel consumption and other processes on-board ships, etc.

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Product details

Introduction:

Flange thermal gas mass flow meter is one of kind mass flow meter which is popular in industrial applications is the way they are designed and built. The feature is no moving parts, nearly unobstructed straight through flow path, require no temperature or pressure corrections and retain accuracy over a wide range of flow rates. Straight pipe runs can be reduced by using dual-plate flow conditioning elements and installation is very simple with minimal pipe intrusions.
Flange thermal gas mass flow meter size from DN10~DN2000mm

Features:

(1)Four types of connection;

mass flow meter

(2)Easily installation,Simple maintenance, Bidirection testing,Anti Vibration;

(3)Wide flow ratio 100: 1;

(4)Dual Power Supply/More options in the wiring process;

(5)Large diameter small flow rate measurement,can be used for leak detection;

(6)Can measure the mass flow directly,no need temperature and pressure compensation;

(7)Thermal Gas Mass Flow Meter Dimension.

Flange thermal gas mass flow meter advantanges :

(1)Wide range ratio 1000:1;

(2)Large diameter, low flow rate, negligible pressure loss;

(3)Direct mass flow measurement without temperature and pressure compensation;

(4)Very sensitive for low flow rate measurement;

(5)Easy to design and select, easy to install and use;

(6)Suitable for all kinds of single or mixed gas flow measurement Could measure gas with flow velocity from 100Nm/s to 0.1Nm/s, which can be used for gas leak detection;

(7) The sensor has no moving parts and pressure sensing parts, and is not affected by vibration on the measurement accuracy. It has good seismic performance and high measurement reliability;

(8) No pressure loss or very small pressure loss;

(9) When measuring the gas flow, it is often expressed in the volume flow unit under the standard state, and the medium temperature/pressure change hardly affects the measured value. If the density is constant in the standard state (that is, the composition is unchanged), it is similar to a mass flow meter;

(10) Support multiple communication methods, such as RS485 communication, MODBUS protocol, etc., which can realize factory automation and integration;

Flange thermal gas mass flow meter installation:

① Observe the recommended inlet and outlet requirements.

②Good engineering practice is necessary for the associated pipe work and installation.

③ Ensure correct alignment and orientation of the sensor.

④ Take measures to reduce or avoid condensation (e.g. install a condensation trap, thermal insulation, etc.).

⑤ The maximum permitted ambient temperatures and the medium temperature range must be observed.

⑥ Install the transmitter in a shaded location or use a protective sun shield.

⑦ For mechanical reasons, and in order to protect the pipe, it is advisable to support heavy sensors.

⑧ No installation in where large vibration exists

⑨ No exposure in the environment containing a lot of corrosive gas

⑩ No sharing power supply with frequency converter, electric welding machine and other machines which can make power-line interference.

Daily maintenance for flange thermal gas mass flow meter:

In the daily operation of the thermal gas mass flowmeter, check and clean the flowmeter, tighten the loose parts, find and deal with the abnormality of the flowmeter in operation in time, ensure the normal operation of the flowmeter, reduce and delay the wear of components, Extend the service life of the flowmeter.

Some flowmeters will become fouling after being used for a period of time, and it must be cleaned by pickling etc. depending on the degree of fouling

 

Technical Data:

Flange Thermal Gas Mass Flow Meter Parameter:

Measuring Medium  Various of Gas (Except acetylene)
Pipe Size  (Insert connection) DN50-DN2000mm ,In-line connection(DN10-DN2000mm)
Velocity  0.1-100Nm/s
Accuracy  +/-1~2.5%
Working Temperature  Sensor:-40~+220 degC  Transmitter:-20~+45 degC
Working Pressure  Insertion Sensor:medium pressure ≤1.6Mpa

Flanged Sensor:medium pressure ≤4.0Mpa

Special pressure please double check

Power Supply  Compact type: 24VDC or 220VAC, Power consumption ≤18W

Remote type:220VAC,Power consumption ≤19W

Response Time  1s
Output  4-20mA(optoelectronic isolation,maximum load 500Ω),Pulse RS485(optoelectronic   isolation) and HART
Alarm Output  1-2 line Relay, Normally Open state, 10A/220V/AC or 5A/30V/DC
Sensor Type  Standard Insertion, Hot-tapped Insertion and Flanged
Construction  Compact and Remote
Pipe Material  Carbon Steel, Stainless Steel,Plastic etc.
Display  4 lines LCD Mass flow, Volume flow in standard condition, Flow totalizer, Date and   Time, Working time, and Velocity, etc.
Protection  IP65

 

mass flow meter

Nominal dia. Flange outer dia. Center hole Bolt hole Screw Sealing surface Flange thickness Installation length
DN D K n x L d f C L
15 95 65 4×14 M12 46 2 14 280
20 105 75 4×14 M12 56 2 16 280
25 115 85 4×14 M12 65 2 16 280
32 140 100 4×18 M16 76 2 18 350
40 150 110 4×18 M16 84 2 18 350
50 165 125 4×18 M16 99 2 20 350
65 185 145 4×18 M16 118 2 20 400
80 200 160 4×18 M16 132 2 20 400
100 220 180 4×18 M16 156 2 22 500

 

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Project case

Flow Meter project – Pakistan

Portable ultrasonic flow meter is used in temporary on-site measurement of different pipelines throughout the project.

Product packaging and transportation

Certificate

 

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Applicatipn

Thermal gas air flow meter widely use for Electric power, Petrochemical industry, Glass, Ceramics and Building materials industry, and mainly be used to meausre Dry gas, such as Air, Natural gas, LPG gas, Biogas, ect. But thermal gas mass flow couldn’d be used to measure Vapour, Humidity gas and Ethyne.

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