Flange Vortex Flow Meter

±0.75% of reading(liquid);
±1% of reading(gas);
Integrated temperature measurement
Resist 350 ℃ high temperature;
Japan technology,low pressure loss
Anti-vibration measurement
Less leak potential

Category: Vortex Flow Meter

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Description

Introduction：

Flange vortex flow meter works based on Carmen and Strouhal relevant spiral produce and on the theory of the flow relationship. Vortex flow meters measure flows of liquid, gas and steam by detecting the frequency at which vortices are alternatively shed from a bluff body. According to proven laws and physics, the frequency at which the vortices are shed is directly proportional to the flow velocity.

Features:

● Japan technology with embedded-type sensor,sensor could integrate with temperature.

● Circuit Board: Digital circuit board,anti-vibration and anti-interference.

● Flow converter: Distinctive modular design, amateurs can operate, disassemble and assemble easily, it will avoid accident risks.

● Integral forging, anti-rust, long service life

● Resist high temperature up to 350℃,normal temperature up to 250℃

Applications:

● (non-)conductive liquids, gases, saturated and superheated steam

● Gross/net heat metering of steam and hot water

● Monitoring of compressor output and evaluation of Free Air Delivery (FAD)

● Industrial gases (natural gas, nitrogen etc.)

● Compressed air systems

● Thermal oils,Desalinated water etc.

Technical Parameters

Technical Performance Parameters

Measured Medium	Liquid, Gas, Steam
Medium Temp	-40℃~+200℃; -40℃~+280℃; 40℃~+350℃
Nominal Pressure	1.6MPa;2.5MPa;4.0MPa;6.4MPa(Other pressure can be custom,need consult supplier)
Accuracy	1.0%(Flange), 1.5%(Insertion)
Measuring range ratio	1:10(Standard air condition as reference) 1:15(Liquid)
Flow Range	Liquid:0.4-7.0m/s; Gas:4.0-60.0m/s; Steam:5.0-70.0m/s
Specifications	DN15-DN300(Flange), DN80-DN2000(Insertion), DN15-DN100(Thread), DN15-DN300(Wafer), DN15-DN100(Sanitary)
Material	SS304(Standard), SS316(Optional)
Pressure Loss Coefficient	Cd≤2.6
Vibration Acceleration Allowed	≤0.2g
IEP ATEX	II 1G Ex ia IIC T5 Ga
Ambient Condition	Ambient Temp:-40℃-65℃(Non-explosion-proof site); -20℃-55℃(Explosion-proof site) Relative Humidity:≤85% Pressure:86kPa-106kPa
Power Supply	12-24V/DC or 3.6V battery powered
Signal Output	Pulse frequency signal2-3000Hz, Low level≤1V, high level≥6V
Signal Output	Two-wire system 4-20 signal(isolated output), Load≤500

Flow Range

mm)	Liquid(Reference medium:normal temperature water, m³/h)		Gas(Reference medium:20℃, 101325pa condition air, m³/h)
mm)	Standard	Extended	Standard	Extended
15	0.8~6	0.5~8	6~40	5~50
20	1~8	0.5~12	8~50	6~60
25	1.5~12	0.8~16	10~80	8~120
40	2.5~30	2~40	25~200	20~300
50	3~50	2.5~60	30~300	25~500
65	5~80	4~100	50~500	40~800
80	8~120	6~160	80~800	60~1200
100	12~200	8~250	120~1200	100~2000
125	20~300	12~400	160~1600	150~3000
150	30~400	18~600	250~2500	200~4000
200	50~800	30~1200	400~4000	350~8000
250	80~1200	40~1600	600~6000	500~12000
300	100~1600	60~2500	1000~10000	600~16000
400	200~3000	120~5000	1600~16000	1000~25000
500	300~5000	200~8000	2500~25000	1600~40000
600	500~8000	300~10000	4000~40000	2500~60000

Superheated Steam Density Value (relative pressure & temperature) Unit: Kg/m³

Absolute Pressure (Mpa)	Temperature(℃)
Absolute Pressure (Mpa)	150	200	250	300	350	400
0.1	0.52	0.46	0.42	0.38
0.15	0.78	0.70	0.62	0.57	0.52	0.49
0.2	1.04	0.93	0.83	0.76	0.69	0.65
0.25	1.31	1.16	1.04	0.95	0.87	0.81
0.33	1.58	1.39	1.25	1.14	1.05	0.97
0.35	1.85	1.63	1.46	1.33	1.22	1.13
0.4	2.12	1.87	1.68	1.52	1.40	1.29
0.5		2.35	2.11	1.91	1.75	1.62
0.6		2.84	2.54	2.30	2.11	1.95
0.7		3.33	2.97	2.69	2.46	2.27
0.8		3.83	3.41	3.08	2.82	2.60
1.0		4.86	4.30	3.88	3.54	3.26
1.2		5.91	5.20	4.67	4.26	3.92
1.5		7.55	6.58	5.89	5.36	4.93
2.0			8.968	7.97	7.21	6.62
2.5			11.5	10.1	9.11	8.33
3.0			14.2	12.3	11.1	10.1
3.5			17.0	14.6	13.0	11.8
4.0				17.0	15.1	13.6

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Technical Parameters

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