Stainless steel turbine flowmeter-Fornitore globale

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Turbine Flowmeter

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No. 28 Gongyuan Road, Jinhu County, Huai'an City

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Stainless steel turbine flowmeter

Overview: Stainless steel turbine flowmeter is an optimized design that incorporates advanced technologies from domestic and foreign flow meters. It h

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Stainless steel turbine flowmeterIt is a new generation of turbine flowmeter that has absorbed advanced technology from domestic and foreign flow meters and has been optimized for design. It has the characteristics of simple structure, lightweight, high accuracy, good reproducibility, sensitive response, and easy installation, maintenance, and use. It is widely used for measuring liquids in closed pipelines that do not corrode stainless steel 1Cr18Ni9Ti, 2Cr13, corundum Al2O3, and hard alloys, and have no impurities such as fibers or particles. The working temperature has a kinematic viscosity of less than 5 × 10-6 m2/s. For liquids with a kinematic viscosity greater than 5 × 10-6 m2/s, the flowmeter can be calibrated for real liquid before use. If paired with display instruments with special functions, it can also perform quantitative control, over limit alarm, etc., making it an ideal instrument for flow measurement and energy conservation.

涡轮流量计结构图

Schematic diagram of sensor structure

1. Sensor housing 2. Leading fluid 3. Rear fluid 4. Impeller 5. Preamplifier 6. Converter

1. Characteristics of turbine flowmeter

a. High precision, generally up to ± 1% R, ± 0.5% R, and high-precision models up to ± 0.2% R; (R refers to reading error);

b. Good repeatability, short-term repeatability can reach 0.05% to 0.2%. It is precisely because of good repeatability that frequent calibration or online calibration can achieve extremely high accuracy, and flow meters are preferred for trade settlement;

c. On site display, instantaneous flow and cumulative flow;

d. Output pulse frequency signal, 4-20mA, 485 communication;

e. Can obtain high frequency signals with strong signal resolution;

f. Wide range ratio, up to 1:20 for medium and large apertures, and 1:10 for small apertures;

g. Compact and lightweight structure, easy installation and maintenance, and high circulation capacity;

h. Suitable for high-voltage measurement, the sensor body does not need to be perforated, making it easy to make into a high-voltage instrument;

i. There are various types of specialized sensors that can be designed according to the specific needs of users, such as low-temperature, bidirectional, downhole, and sand mixing specialized sensors.

2. Technical parameters of turbine flowmeter

Measurement medium	No impurities, no strong corrosiveness, low viscosity liquid
Execution standards	Turbine flow sensor (JB/T9246-1999)
Verification regulations	Turbine flowmeter (JJG1037-2008)
Instrument caliber and Connection method	flange type	DN15-DN200
	Threaded connection type	DN4-DN50
	Clamp connection type	DN25-DN50
Flange standard	Conventional standards	GB/T9113-2000
	Other standards	International pipe flange standard				Such as German standard DIN, American standard ANSI, Japanese standard JIS
		Domestic pipe flange standards				Such as the standards of the Ministry of Chemical Industry and the Ministry of Machinery
thread specification	regular size	British pipe thread (external thread)
	Other specifications	Internal thread, NPT thread, etc
Accuracy level and Corresponding repeatability	accuracy class	±1%R			±0.5%R		± 0.2% R (customization required)
	Linearity	≤0.15%			≤0.1%		≤0.03%
Range ratio	1：10； 1：15； 1:20
Instrument material	304 stainless steel; 316 stainless steel
Temperature of the measured medium（℃）	-20℃～+110℃
Verification conditions	environmental condition	ambient temperature	20℃
		relative humidity	65%
	verification device	Standard table method liquid flow verification device Static mass method liquid flow verification device
Conditions of Use	ambient temperature -20℃～+60℃ relative humidity 5%～90% atmospheric pressure 86Kpa～106Kpa	-20℃～+60℃		relative humidity				5%～90%
	atmospheric pressure	86Kpa～106Kpa
output signal	pulse frequency signal
	Two wire 4-20mA DC current signal
	485 communication
power supply	24V DC
Distance	≤1000m
Signal line interface	Basic type: Hirschman connector, explosion-proof type: internal thread M20 * 1.5
Explosion proof grade	Basic type: Non explosion proof product, Explosion proof type: Exd II CT6 Gb
protection grade	IP65

3. Flow range corresponding to caliber

Instrument diameter (mm)	Normal flow range (m3/h)	Expand flow range (m3/h)	Instrument diameter (mm)	Normal flow range (m3/h)	Expand flow range (m3/h)
DN4	0.04～0.25	0.04～0.4	DN50	4~40	2~40
DN6	0.1～0.6	0.06～0.6	DN65	7~70	4~70
DN10	0.2～1.2	0.15～1.5	DN80	10~100	5~100
DN15	0.6～6	0.4～8	DN100	20~200	10~200
DN20	0.8～8	0.45～9	DN125	25~250	13~250
DN25	1~10	0.5～10	DN150	30~300	15~300
DN32	1.5～15	0.8～15	DN200	80~800	40~800
DN40	2~20	1~20

4. Selection guide for turbine flowmeter

Connection method	Material (regular type)				Material (special type)
Flange connection type	Body	304 stainless steel	flange	304 stainless steel	flange	316
	baffle				Table body/diversion body	316
	snap ring		impeller	2cr13 stainless steel	impeller	Dual phase steel
						Tu Fu Te Long
Threaded connection type	Straight pipe section	304 stainless steel	Body	304 stainless steel	Body	316
	baffle		nut		guidefluid	316
	snap ring		impeller	2cr13 stainless steel	impeller	Dual phase steel
						Tu Fu Te Long
Clamp connection type	baffle	304 stainless steel	Body	304 stainless steel	Body	316
	snap ring		impeller	2cr13 stainless steel	impeller	Dual phase steel
						Tu Fu Te Long

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