Thread Thermal Mass Flow Meter Maharashtra Manufacturer & Exporter in India.- CBRO INSTRUMENTS

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Thread Thermal Mass Flow Meter

Thread type 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. Tri-clamp thermal gas mass flow meter size from DN15~DN100mm

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Advantages

Thread type 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.

Application

Thread type thermal gas mass flow meter application:
Thread type thermal gas air flow meter widely use for Electric power,water treatment,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’t be used to measure Vapour,Humidity gas and Ethyne.

Water Treatment

Food Industry

Pharmaceutical Industry

Water Treatment

Food Industry

Pharmaceutical Industry

Technical Data

Table 1: Thread Thermal Gas Mass Flow Meter Parameter

Measuring Medium	Various of Gas (Except acetylene)
Pipe Size	DN10mm-DN100mm
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

Table 2: Common Use Gas Maximum Range

Caliber ( mm )	Air	Nitrogen ( N2 )	Oxygen ( O2 )	Hydrogen ( H2 )
15	65	65	32	10
25	175	175	89	28
32	290	290	144	45
40	450	450	226	70
50	700	700	352	110
65	1200	1200	600	185
80	1800	1800	900	280
100	2800	2800	1420	470

Table 3: Thermal Gas Mass Flow Meter Model Selection

Model	QTMF	X	X	X	X	X	X	X
Caliber	DN15-DN4000
Structure	Compact	C
Structure	Remote	R
Senor type	Insertion		I
	Flange		F
	Clamp		C
	Screw		S
Material	SS304			304
Material	SS316			316
Pressure	1.6Mpa				1.6
	2.5Mpa				2.5
	4.0Mpa				4.0
Teperature	-40-200℃					T1
Teperature	-40-450℃					T2
Power Supply	AC85~250V						AC
Power Supply	DC24~36V						DC
Signal Output	4-20mA+Pulse+RS485							RS
Signal Output	4-20mA+Pulse+HART							HT

Installation

Thread type thermal gas mass flow meter 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 for thread type 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