Thermal Gas Mass Flow Meter
Flange types
Model
CSMF
Application
● Electric power
● Petrochemical industry
● Glass
● Ceramics and Building materials industry
● Mainly be used to meausre Dry gas
Specification
● Range ratio 1000:1
● Large diameter, low flow rate, negligible pressure loss
● Direct mass flow measurement without temperature and pressure compensation
● Very sensitive for low flow rate measurement
● Easy to install and use
● Suitable for all kinds of single or mixed gas flow measurement
● Measure gas with flow velocity from 100Nm/s to 0.1Nm/s
● Used for gas leak detection
● Support multiple communication methods, such as RS485 communication, MODBUS protocol, etc.,
Standard Design
Measuring Medium | Various of Gas (Except acetylene) |
Pipe Size | DN50-DN2000mm Insert connection |
Velocity | 0.1-100Nm/s |
Accuracy | ±1% |
Working Temperature | Sensor -40~+220 degC |
Working Pressure | Insertion Sensor medium pressure ≤1.6Mpa |
Power Supply | Compact type: 24VDC or 220VAC Power consumption ≤18W |
Response Time | 1s |
Output | 4-20mA(optoelectronic isolation,maximum load 500Ω) |
Alarm Output | 1-2 line Relay, Normally Open state, 10A/220V/AC or 5A/30V/DC |
Sensor Type | Standard Insertion |
Construction | Compact |
Pipe Material | Carbon Steel |
Display | 4 lines LCD Mass flow, Volume flow in standard condition, Flow totalizer, Date and Time, Working time, and Velocity, etc. |
| Protection | IP65 |
Dimension in mm
NominalDiameter | Flange outer diameter | Center hole | Bolt hole | Screw Threads | Sealing face | Flange thickness | Installation length | |
| DN | D | k | nxL | d | f | C | L | |
| 15 | 95 | 65 | 4x14 | M12 | 46 | 2 | 14 | 280 |
| 20 | 105 | 75 | 4x14 | M12 | 56 | 2 | 16 | 280 |
| 25 | 115 | 85 | 4x14 | M12 | 65 | 2 | 16 | 280 |
| 32 | 140 | 100 | 4x18 | M16 | 76 | 2 | 18 | 350 |
| 40 | 150 | 110 | 4x18 | M16 | 84 | 2 | 18 | 350 |
| 50 | 165 | 125 | 4x18 | M16 | 99 | 2 | 20 | 350 |
| 65 | 185 | 145 | 4x18 | M16 | 118 | 2 | 20 | 400 |
| 80 | 200 | 160 | 8x18 | M16 | 132 | 2 | 20 | 400 |
| 100 | 220 | 180 | 8x18 | M16 | 156 | 2 | 22 | 500 |
Installation
① Observe the recommended inlet and outlet requirements.
② Good 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
In the daily operation of the thermal gas mass flow meter, check and clean the flow meter, tighten the loose parts, find and deal with the abnormality of the flow meter in operation in time, ensure the normal operation of the flow meter, reduce and delay the wear of components, Extend the service life of the flow meter. Some flow meters 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
