Product Details

Specifications

vortex flow meters/gas air flowmeter

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vortex flowmeter for oil flowmeter digital vortex flowmeter for argon gas flowmeter vortex flowmeter/gas air flowmeters vortex flowmeter/gas flowmeters vortex flow meter has little pressure loss, broad span range and high accuracy. It is not under influence of density, pressure, temperature and viscocity when measuring volumetric flow. It has no movable mechanical parts with high reliability and little maintenance.

Parameter of vortex flow meter

Measured Mediums	liquids, gases and steams (NOTE: the mediums should be unidirectional or can be seen as unidirectional.)
	When the dryness of saturated steams ≥85%, they can be seen as unidirectional.
Temperature of Mediums	- 40°C ~ + 350°C
Pressure of Mediums	1.6MPa, 2.5MPa, 4.0 MPa
	For over 4.0 MPa, please contact us freely, for it needs special customization.
Accuracy	1.0; 1.5
Span Rate	1:8 ~ 1:30(compared with the standard atmospheric pressure)
	1:8 ~ 1:40 ( compared with the nominal temperature water)
Flow Range	Liquids: 0.4 ~ 7.0 m/s
	Gases: 4.0 ~ 60.0 m/s
	Steams: 5.0 ~ 70.0 m/s
Nominal Diameter	DN 25, 40, 50, 65, 80, 100, 125, 150, 200, 250,300 mm
Materials	1Cr18Ni9Ti
Reynolds No.	Normally, 2104 ~ 7106
Resistance Coefficient	Cd ≤ 2.6
Licensed Vibration Acceleration	LUGB type ≤ 0.2g
Class of Protection	IP65
Class of Explosion-Proof	Intrinsically Safe Explosion-Proof: Exia II CT2 ~ CT6
	Explosion Suppression: Exid II CT4
Conditions of Surroundings	Temperature of Surroundings:		Non-Explosion Proof Surroundings: -40°C~ +55°C
			Explosion-Proof Surroundings: -20°C~ +55°C
	Relative Humidity:			≤ 85%
	Atmospheric Pressure:			86 ~ 106 kPa
Power Supply	Non-Explosion Proof Type	Pulse type:			+12 VDC ( the output current is 4 ~ 20mA)
		Current type:			+24 VDC ( the output current is 4~ 20mA)
	Explosion-Proof Type	Current type:			+24 VDC ( the output current is 4~20mA)
Output Signal	Frequency pulse signal 2~3000Hz, low level voltage ≤1V, high level voltage ≥ 6V
	Two-wire system 4 ~ 20mA signal (isolation output), load ≤ 500Ω.

Measure range of vortex flow meter
Diameter (mm)	Water	Gases in the Normal Temperature and Pressure
Diameter (mm)	Range of Standard Measurement (m3/h)	Range of Standard Measurement (m3/h)
25	2 ~ 16	8~60
32	1.5~15	14~100
40	3~30	18~180
50	4~40	30~300
65	6~60	50~500
80	13~130	70~700
100	20~200	100~1000
125	36~360	150~1500
150	50~500	200~2000
200	100~1000	400~4000
250	150~1500	600~6000
300	200~2000	1000~10000