coal gas vortex flowmeter

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, 2*104 ~ 7*106
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
	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

We are Kaifeng Qingtianweiye Flow Instrument Co., Ltd,a subsidiary of listed company Henan SunTront Tec Co.,Ltd.Our head office is a listed company since 2011 and its main products is intelligent electricity meters,while Our company mainly engaged in electromagnetic flow meter.
The total area of our company is 15000 square meters,and the building area is 6000 square meters.Our company have five utility model patents,three software copyrights.And we also have production qualification and liquid calibration settings for flow meters from Dn25mm to DN2000mm.We have strong R&D capability.Our company and our head office have large quantity of running water industrial users,and we also have strong marketing capabilities on battery powered electromagnetic flow meter.We are expecting to cooperate with manufacturer who can provide battery powered flow converter,or through expand cooperation in various modes.To develop the Chinese market and international market of battery powered flow meter together.To learn from each other and to achieve win-win situation.

We are expecting sincere cooperation.If you have interest,please feel free to contact us at any time.We are looking forward to hearing from you.